catch exception by constant reference

12 files changed, 178 insertions, 187 deletions

diff --git a/linguistic/source/convdic.cxx b/linguistic/source/convdic.cxx
index 4662a360776e..3febdd461f6a 100644
--- a/linguistic/source/convdic.cxx
+++ b/linguistic/source/convdic.cxx
@@ -99,10 +99,9 @@ void ReadThroughDic( const String &rMainURL, ConvDicXMLImport &rImport )
                 A2OU( "com.sun.star.ucb.SimpleFileAccess" ) ), uno::UNO_QUERY_THROW );
         xIn = xAccess->openFileRead( rMainURL );
     }
-    catch (uno::Exception & e)
+    catch (const uno::Exception &)
     {
         DBG_ASSERT( 0, "failed to get input stream" );
-        (void) e;
     }
     if (!xIn.is())
         return;
@@ -274,10 +273,9 @@ void ConvDic::Save()
                 A2OU( "com.sun.star.ucb.SimpleFileAccess" ) ), uno::UNO_QUERY_THROW );
         xStream = xAccess->openFileReadWrite( aMainURL );
     }
-    catch (uno::Exception & e)
+    catch (const uno::Exception &)
     {
         DBG_ASSERT( 0, "failed to get input stream" );
-        (void) e;
     }
     if (!xStream.is())
         return;
diff --git a/linguistic/source/dicimp.cxx b/linguistic/source/dicimp.cxx
index 6d7d1c6672eb..3f6257cc2bc9 100644
--- a/linguistic/source/dicimp.cxx
+++ b/linguistic/source/dicimp.cxx
@@ -284,10 +284,9 @@ sal_uLong DictionaryNeo::loadEntries(const OUString &rMainURL)
                 A2OU( "com.sun.star.ucb.SimpleFileAccess" ) ), uno::UNO_QUERY_THROW );
         xStream = xAccess->openFileRead( rMainURL );
     }
-    catch (uno::Exception & e)
+    catch (const uno::Exception &)
     {
         DBG_ASSERT( 0, "failed to get input stream" );
-        (void) e;
     }
     if (!xStream.is())
         return static_cast< sal_uLong >(-1);
@@ -427,10 +426,9 @@ sal_uLong DictionaryNeo::saveEntries(const OUString &rURL)
                 A2OU( "com.sun.star.ucb.SimpleFileAccess" ) ), uno::UNO_QUERY_THROW );
         xStream = xAccess->openFileReadWrite( rURL );
     }
-    catch (uno::Exception & e)
+    catch (const uno::Exception &)
     {
         DBG_ASSERT( 0, "failed to get input stream" );
-        (void) e;
     }
     if (!xStream.is())
         return static_cast< sal_uLong >(-1);
diff --git a/linguistic/source/dlistimp.cxx b/linguistic/source/dlistimp.cxx
index bec538d6c706..ac4f143847a7 100644
--- a/linguistic/source/dlistimp.cxx
+++ b/linguistic/source/dlistimp.cxx
@@ -909,10 +909,9 @@ static sal_Bool IsVers2OrNewer( const String& rFileURL, sal_uInt16& nLng, sal_Bo
                 A2OU( "com.sun.star.ucb.SimpleFileAccess" ) ), uno::UNO_QUERY_THROW );
         xStream = xAccess->openFileRead( rFileURL );
     }
-    catch (uno::Exception & e)
+    catch (const uno::Exception &)
     {
         DBG_ASSERT( 0, "failed to get input stream" );
-        (void) e;
     }
     DBG_ASSERT( xStream.is(), "failed to get stream for read" );
     if (!xStream.is())
diff --git a/linguistic/source/gciterator.cxx b/linguistic/source/gciterator.cxx
index 91c407ca8e74..1f6ef1417efd 100644
--- a/linguistic/source/gciterator.cxx
+++ b/linguistic/source/gciterator.cxx
@@ -867,7 +867,7 @@ throw (uno::RuntimeException)
         {
              throw;
         }
-        catch (::uno::Exception &rE)
+        catch (const ::uno::Exception &rE)
         {
              (void) rE;
              // ignore
diff --git a/linguistic/source/lngsvcmgr.cxx b/linguistic/source/lngsvcmgr.cxx
index b93364b8e50e..6744739b7e30 100644
--- a/linguistic/source/lngsvcmgr.cxx
+++ b/linguistic/source/lngsvcmgr.cxx
@@ -759,9 +759,8 @@ void LngSvcMgr::GetAvailableSpellSvcs_Impl()
                             xProps->getPropertyValue( OUString( RTL_CONSTASCII_USTRINGPARAM( "DefaultContext" ))) >>= xContext;
                             xSvc = uno::Reference< linguistic2::XSpellChecker >( ( xCompFactory.is() ? xCompFactory->createInstanceWithContext( xContext ) : xFactory->createInstance() ), uno::UNO_QUERY );
                         }
-                        catch (uno::Exception &rEx)
+                        catch (const uno::Exception &)
                         {
-                            (void) rEx;
                             DBG_ASSERT( 0, "createInstance failed" );
                         }
                     }
@@ -825,9 +824,8 @@ void LngSvcMgr::GetAvailableGrammarSvcs_Impl()
                             xProps->getPropertyValue( OUString( RTL_CONSTASCII_USTRINGPARAM( "DefaultContext" ))) >>= xContext;
                             xSvc = uno::Reference< linguistic2::XProofreader >( ( xCompFactory.is() ? xCompFactory->createInstanceWithContext( xContext ) : xFactory->createInstance() ), uno::UNO_QUERY );
                         }
-                        catch (uno::Exception &rEx)
+                        catch (const uno::Exception &)
                         {
-                            (void) rEx;
                             DBG_ASSERT( 0, "createInstance failed" );
                         }
                     }
@@ -890,9 +888,8 @@ void LngSvcMgr::GetAvailableHyphSvcs_Impl()
                             xSvc = uno::Reference< linguistic2::XHyphenator >( ( xCompFactory.is() ? xCompFactory->createInstanceWithContext( xContext ) : xFactory->createInstance() ), uno::UNO_QUERY );
 
                         }
-                        catch (uno::Exception &rEx)
+                        catch (const uno::Exception &)
                         {
-                            (void) rEx;
                             DBG_ASSERT( 0, "createInstance failed" );
                         }
                     }
@@ -957,9 +954,8 @@ void LngSvcMgr::GetAvailableThesSvcs_Impl()
                             xProps->getPropertyValue( OUString( RTL_CONSTASCII_USTRINGPARAM( "DefaultContext" ))) >>= xContext;
                             xSvc = uno::Reference< linguistic2::XThesaurus >( ( xCompFactory.is() ? xCompFactory->createInstanceWithContext( xContext ) : xFactory->createInstance() ), uno::UNO_QUERY );
                         }
-                        catch (uno::Exception &rEx)
+                        catch (const uno::Exception &)
                         {
-                            (void) rEx;
                             DBG_ASSERT( 0, "createInstance failed" );
                         }
                     }
diff --git a/mysqlc/source/mysqlc_connection.cxx b/mysqlc/source/mysqlc_connection.cxx
index 3bb2ff74dfb0..7ef467838525 100644
--- a/mysqlc/source/mysqlc_connection.cxx
+++ b/mysqlc/source/mysqlc_connection.cxx
@@ -237,7 +237,7 @@ void OConnection::construct(const OUString& url, const Sequence< PropertyValue >
             OSL_TRACE("schema=%s", schema_str.c_str());
 
             m_settings.cppConnection.reset(cppDriver->connect(connProps));
-        } catch (sql::SQLException &e) {
+        } catch (const sql::SQLException &e) {
             mysqlc_sdbc_driver::translateAndThrow(e, *this, getConnectionEncoding());
         }
     } else {
@@ -282,7 +282,7 @@ Reference< XStatement > SAL_CALL OConnection::createStatement()
         xReturn = new OStatement(this, m_settings.cppConnection->createStatement());
         m_aStatements.push_back(WeakReferenceHelper(xReturn));
         return xReturn;
-    } catch (sql::SQLException & e) {
+    } catch (const sql::SQLException & e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, getConnectionEncoding());
     }
     return xReturn;
@@ -306,7 +306,7 @@ Reference< XPreparedStatement > SAL_CALL OConnection::prepareStatement(const OUS
         xStatement = new OPreparedStatement(this,
                     m_settings.cppConnection->prepareStatement(OUStringToOString(sSqlStatement, getConnectionEncoding()).getStr()));
         m_aStatements.push_back( WeakReferenceHelper( xStatement ) );
-    } catch (sql::SQLException & e) {
+    } catch (const sql::SQLException & e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, getConnectionEncoding());
     }
     return xStatement;
@@ -340,7 +340,7 @@ OUString SAL_CALL OConnection::nativeSQL(const OUString& _sSql)
     try {
         sNativeSQL = mysqlc_sdbc_driver::convert(m_settings.cppConnection->nativeSQL(mysqlc_sdbc_driver::convert(sSqlStatement, getConnectionEncoding())),
                                                                                 getConnectionEncoding());
-    } catch (sql::SQLException & e) {
+    } catch (const sql::SQLException & e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, getConnectionEncoding());
     }
     return sNativeSQL;
@@ -357,7 +357,7 @@ void SAL_CALL OConnection::setAutoCommit(sal_Bool autoCommit)
     checkDisposed(OConnection_BASE::rBHelper.bDisposed);
     try {
         m_settings.cppConnection->setAutoCommit(autoCommit == sal_True? true:false);
-    } catch (sql::SQLException & e) {
+    } catch (const sql::SQLException & e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, getConnectionEncoding());
     }
 }
@@ -378,7 +378,7 @@ sal_Bool SAL_CALL OConnection::getAutoCommit()
     sal_Bool autoCommit = sal_False;
     try {
         autoCommit = m_settings.cppConnection->getAutoCommit() == true ? sal_True : sal_False;
-    } catch (sql::SQLException & e) {
+    } catch (const sql::SQLException & e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, getConnectionEncoding());
     }
     return autoCommit;
@@ -395,7 +395,7 @@ void SAL_CALL OConnection::commit()
     checkDisposed(OConnection_BASE::rBHelper.bDisposed);
     try {
         m_settings.cppConnection->commit();
-    } catch (sql::SQLException & e) {
+    } catch (const sql::SQLException & e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, getConnectionEncoding());
     }
 }
@@ -411,7 +411,7 @@ void SAL_CALL OConnection::rollback()
     checkDisposed(OConnection_BASE::rBHelper.bDisposed);
     try {
         m_settings.cppConnection->rollback();
-    } catch (sql::SQLException & e) {
+    } catch (const sql::SQLException & e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, getConnectionEncoding());
     }
 }
@@ -443,7 +443,7 @@ Reference< XDatabaseMetaData > SAL_CALL OConnection::getMetaData()
     if (!xMetaData.is()) {
         try {
             xMetaData = new ODatabaseMetaData(*this); // need the connection because it can return it
-        } catch (sql::SQLException & e) {
+        } catch (const sql::SQLException & e) {
             mysqlc_sdbc_driver::translateAndThrow(e, *this, getConnectionEncoding());
         }
         m_xMetaData = xMetaData;
@@ -510,7 +510,7 @@ OUString SAL_CALL OConnection::getCatalog()
     OUString catalog;
     try {
         catalog = mysqlc_sdbc_driver::convert(m_settings.cppConnection->getSchema(), getConnectionEncoding());
-    } catch (sql::SQLException & e) {
+    } catch (const sql::SQLException & e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, getConnectionEncoding());
     }
     return catalog;
@@ -549,7 +549,7 @@ void SAL_CALL OConnection::setTransactionIsolation(sal_Int32 level)
     }
     try {
         m_settings.cppConnection->setTransactionIsolation(cpplevel);
-    } catch (sql::SQLException & e) {
+    } catch (const sql::SQLException & e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, getConnectionEncoding());
     }
 }
@@ -573,7 +573,7 @@ sal_Int32 SAL_CALL OConnection::getTransactionIsolation()
             default:
                 ;
         }
-    } catch (sql::SQLException & e) {
+    } catch (const sql::SQLException & e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, getConnectionEncoding());
     }
     return TransactionIsolation::NONE;
@@ -710,7 +710,7 @@ OUString OConnection::getMysqlVariable(const char *varname)
             Reference< XRow > xRow(rs, UNO_QUERY);
             ret = xRow->getString(2);
         }
-    } catch (sql::SQLException & e) {
+    } catch (const sql::SQLException & e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, getConnectionEncoding());
     }
 
@@ -732,7 +732,7 @@ sal_Int32 OConnection::getMysqlVersion()
         version = 10000 * m_settings.cppConnection->getMetaData()->getDatabaseMajorVersion();
         version += 100 * m_settings.cppConnection->getMetaData()->getDatabaseMinorVersion();
         version += m_settings.cppConnection->getMetaData()->getDatabasePatchVersion();
-    } catch (sql::SQLException & e) {
+    } catch (const sql::SQLException & e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, getConnectionEncoding());
     }
     return version;
diff --git a/mysqlc/source/mysqlc_databasemetadata.cxx b/mysqlc/source/mysqlc_databasemetadata.cxx
index fef3e5524f87..4042ab40ee32 100644
--- a/mysqlc/source/mysqlc_databasemetadata.cxx
+++ b/mysqlc/source/mysqlc_databasemetadata.cxx
@@ -119,9 +119,9 @@ OUString ODatabaseMetaData::impl_getStringMetaData(const sal_Char* _methodName,
     OUString stringMetaData;
     try {
         stringMetaData = mysqlc_sdbc_driver::convert((meta->*_Method)(), m_rConnection.getConnectionEncoding());
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException(_methodName, *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException(_methodName, *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -138,9 +138,9 @@ OUString ODatabaseMetaData::impl_getStringMetaData(const sal_Char* _methodName,
     OUString stringMetaData;
     try {
         stringMetaData = mysqlc_sdbc_driver::convert((meta->*_Method)(), m_rConnection.getConnectionEncoding());
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException(_methodName, *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException(_methodName, *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -157,9 +157,9 @@ OUString ODatabaseMetaData::impl_getStringMetaData(const sal_Char* _methodName,
     OUString stringMetaData;
     try {
         stringMetaData = mysqlc_sdbc_driver::convert((meta->*_Method)(), m_rConnection.getConnectionEncoding());
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException(_methodName, *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException(_methodName, *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -176,9 +176,9 @@ OUString ODatabaseMetaData::impl_getStringMetaData(const sal_Char* _methodName,
     OUString stringMetaData;
     try {
         stringMetaData = mysqlc_sdbc_driver::convert((meta->*_Method)(), m_rConnection.getConnectionEncoding());
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException(_methodName, *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException(_methodName, *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -195,9 +195,9 @@ sal_Int32 ODatabaseMetaData::impl_getInt32MetaData(const sal_Char* _methodName,
     sal_Int32 int32MetaData(0);
     try {
         int32MetaData = (meta->*_Method)();
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException(_methodName, *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException(_methodName, *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -214,9 +214,9 @@ sal_Bool ODatabaseMetaData::impl_getBoolMetaData(const sal_Char* _methodName, bo
     sal_Bool boolMetaData(0);
     try {
         boolMetaData = (meta->*_Method)() ? sal_True : sal_False;
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException(_methodName, *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException(_methodName, *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -233,9 +233,9 @@ sal_Bool ODatabaseMetaData::impl_getBoolMetaData(const sal_Char* _methodName, bo
     sal_Bool boolMetaData(0);
     try {
         boolMetaData = (meta->*_Method)( _arg ) ? sal_True : sal_False;
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException(_methodName, *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException(_methodName, *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -855,9 +855,9 @@ sal_Bool SAL_CALL ODatabaseMetaData::supportsConvert(sal_Int32 /* fromType */, s
     try {
         /* ToDo -> use supportsConvert( fromType, toType) */
         return meta->supportsConvert()? sal_True:sal_False;
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::supportsConvert", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::supportsConvert", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -1200,9 +1200,9 @@ sal_Int32 SAL_CALL ODatabaseMetaData::getDefaultTransactionIsolation()
             case sql::TRANSACTION_READ_COMMITTED:   return TransactionIsolation::READ_COMMITTED;
             case sql::TRANSACTION_READ_UNCOMMITTED: return TransactionIsolation::READ_UNCOMMITTED;
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::getDriverMajorVersion", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::getDriverMajorVersion", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -1377,9 +1377,9 @@ sal_Bool SAL_CALL ODatabaseMetaData::supportsResultSetConcurrency(sal_Int32 setT
                                                     sql::TRANSACTION_READ_COMMITTED:
                                                     (concurrency == com::sun::star::sdbc::TransactionIsolation::SERIALIZABLE?
                                                         sql::TRANSACTION_SERIALIZABLE:sql::TRANSACTION_SERIALIZABLE))? sal_True:sal_False;
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::supportsResultSetConcurrency", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::supportsResultSetConcurrency", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -1585,9 +1585,9 @@ Reference< XResultSet > SAL_CALL ODatabaseMetaData::getCatalogs()
             }
             rRows.push_back(aRow);
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::getCatalogs", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::getCatalogs", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -1627,9 +1627,9 @@ Reference< XResultSet > SAL_CALL ODatabaseMetaData::getSchemas()
                 rRows.push_back(aRow);
             }
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::getSchemas", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::getSchemas", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -1670,9 +1670,9 @@ Reference< XResultSet > SAL_CALL ODatabaseMetaData::getColumnPrivileges(
             }
             rRows.push_back(aRow);
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::getColumnPrivileges", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::getColumnPrivileges", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -1720,9 +1720,9 @@ Reference< XResultSet > SAL_CALL ODatabaseMetaData::getColumns(
             }
             rRows.push_back(aRow);
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::getColumns", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::getColumns", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -1781,9 +1781,9 @@ Reference< XResultSet > SAL_CALL ODatabaseMetaData::getTables(
                 rRows.push_back(aRow);
             }
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::getTables", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::getTables", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -1841,9 +1841,9 @@ Reference< XResultSet > SAL_CALL ODatabaseMetaData::getProcedures(
             }
             rRows.push_back(aRow);
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::getProcedures", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::getProcedures", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -1897,9 +1897,9 @@ Reference< XResultSet > SAL_CALL ODatabaseMetaData::getExportedKeys(
             }
             rRows.push_back(aRow);
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::getExportedKeys", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::getExportedKeys", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -1939,9 +1939,9 @@ Reference< XResultSet > SAL_CALL ODatabaseMetaData::getImportedKeys(
             }
             rRows.push_back(aRow);
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::getImportedKeys", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::getImportedKeys", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -1980,9 +1980,9 @@ Reference< XResultSet > SAL_CALL ODatabaseMetaData::getPrimaryKeys(
             }
             rRows.push_back(aRow);
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::getPrimaryKeys", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::getPrimaryKeys", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -2023,9 +2023,9 @@ Reference< XResultSet > SAL_CALL ODatabaseMetaData::getIndexInfo(
             }
             rRows.push_back(aRow);
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::getIndexInfo", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::getIndexInfo", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -2066,9 +2066,9 @@ Reference< XResultSet > SAL_CALL ODatabaseMetaData::getBestRowIdentifier(
             }
             rRows.push_back(aRow);
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::getBestRowIdentifier", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::getBestRowIdentifier", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -2128,9 +2128,9 @@ Reference< XResultSet > SAL_CALL ODatabaseMetaData::getTablePrivileges(
                 rRows.push_back(aRow);
             }
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::getTablePrivileges", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::getTablePrivileges", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
@@ -2175,9 +2175,9 @@ Reference< XResultSet > SAL_CALL ODatabaseMetaData::getCrossReference(
             }
             rRows.push_back(aRow);
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("ODatabaseMetaData::getCrossReference", *this);
-    } catch (sql::InvalidArgumentException) {
+    } catch (const sql::InvalidArgumentException &) {
         mysqlc_sdbc_driver::throwInvalidArgumentException("ODatabaseMetaData::getCrossReference", *this);
     } catch (const sql::SQLException& e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_rConnection.getConnectionEncoding());
diff --git a/mysqlc/source/mysqlc_driver.cxx b/mysqlc/source/mysqlc_driver.cxx
index 2b52a2e82f43..289b4c873880 100644
--- a/mysqlc/source/mysqlc_driver.cxx
+++ b/mysqlc/source/mysqlc_driver.cxx
@@ -223,7 +223,7 @@ Reference< XConnection > SAL_CALL MysqlCDriver::connect(const OUString& url, con
         pCon->construct(url,info);
         m_xConnections.push_back(WeakReferenceHelper(*pCon));
     }
-    catch (sql::SQLException &e)
+    catch (const sql::SQLException &e)
     {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, getDefaultEncoding());
     }
diff --git a/mysqlc/source/mysqlc_preparedstatement.cxx b/mysqlc/source/mysqlc_preparedstatement.cxx
index 50a2e97969f1..fb7440c7a359 100644
--- a/mysqlc/source/mysqlc_preparedstatement.cxx
+++ b/mysqlc/source/mysqlc_preparedstatement.cxx
@@ -76,7 +76,7 @@ OPreparedStatement::OPreparedStatement(OConnection* _pConnection, sql::PreparedS
 
     try {
         m_paramCount = ((sql::PreparedStatement *)cppStatement)->getParameterMetaData()->getParameterCount();
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
@@ -150,9 +150,9 @@ Reference< XResultSetMetaData > SAL_CALL OPreparedStatement::getMetaData()
                                     getOwnConnection()->getConnectionEncoding()
                                 );
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
     return m_xMetaData;
@@ -173,7 +173,7 @@ void SAL_CALL OPreparedStatement::close()
         clearWarnings();
         clearParameters();
         OCommonStatement::close();
-    } catch (SQLException) {
+    } catch (const SQLException &) {
         // If we get an error, ignore
     }
 
@@ -194,7 +194,7 @@ sal_Bool SAL_CALL OPreparedStatement::execute()
     sal_Bool success = sal_False;
     try {
         success = ((sql::PreparedStatement *)cppStatement)->execute()? sal_True:sal_False;
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
     return success;
@@ -213,7 +213,7 @@ sal_Int32 SAL_CALL OPreparedStatement::executeUpdate()
     sal_Int32 affectedRows = sal_False;
     try {
         affectedRows = ((sql::PreparedStatement *)cppStatement)->executeUpdate();
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
     return affectedRows;
@@ -233,9 +233,9 @@ void SAL_CALL OPreparedStatement::setString(sal_Int32 parameter, const OUString&
     try {
         std::string stringie(::rtl::OUStringToOString(x, m_pConnection->getConnectionEncoding()).getStr());
         ((sql::PreparedStatement *)cppStatement)->setString(parameter, stringie);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::clearParameters", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
@@ -284,7 +284,7 @@ Reference< XResultSet > SAL_CALL OPreparedStatement::executeQuery()
     try {
         sql::ResultSet * res = ((sql::PreparedStatement *)cppStatement)->executeQuery();
         xResultSet = new OResultSet(this, res, getOwnConnection()->getConnectionEncoding());
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
     return xResultSet;
@@ -303,9 +303,9 @@ void SAL_CALL OPreparedStatement::setBoolean(sal_Int32 parameter, sal_Bool x)
 
     try {
         ((sql::PreparedStatement *)cppStatement)->setBoolean(parameter, x);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::setBoolean", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
@@ -323,9 +323,9 @@ void SAL_CALL OPreparedStatement::setByte(sal_Int32 parameter, sal_Int8 x)
 
     try {
         ((sql::PreparedStatement *)cppStatement)->setInt(parameter, x);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::setByte", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
@@ -351,9 +351,9 @@ void SAL_CALL OPreparedStatement::setDate(sal_Int32 parameter, const Date& aData
 
     try {
         ((sql::PreparedStatement *)cppStatement)->setDateTime(parameter, dateStr);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::setDate", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
@@ -379,9 +379,9 @@ void SAL_CALL OPreparedStatement::setTime(sal_Int32 parameter, const Time& aVal)
 
     try {
         ((sql::PreparedStatement *)cppStatement)->setDateTime(parameter, timeStr);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::setTime", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
@@ -415,9 +415,9 @@ void SAL_CALL OPreparedStatement::setTimestamp(sal_Int32 parameter, const DateTi
 
     try {
         ((sql::PreparedStatement *)cppStatement)->setDateTime(parameter, timeStr);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::setTimestamp", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
@@ -435,9 +435,9 @@ void SAL_CALL OPreparedStatement::setDouble(sal_Int32 parameter, double x)
 
     try {
         ((sql::PreparedStatement *)cppStatement)->setDouble(parameter, x);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::setDouble", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
@@ -455,9 +455,9 @@ void SAL_CALL OPreparedStatement::setFloat(sal_Int32 parameter, float x)
 
     try {
         ((sql::PreparedStatement *)cppStatement)->setDouble(parameter, x);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::setFloat", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
@@ -475,9 +475,9 @@ void SAL_CALL OPreparedStatement::setInt(sal_Int32 parameter, sal_Int32 x)
 
     try {
         ((sql::PreparedStatement *)cppStatement)->setInt(parameter, x);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::setInt", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
@@ -495,9 +495,9 @@ void SAL_CALL OPreparedStatement::setLong(sal_Int32 parameter, sal_Int64 aVal)
 
     try {
         ((sql::PreparedStatement *)cppStatement)->setInt64(parameter, aVal);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::setLong", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
@@ -515,9 +515,9 @@ void SAL_CALL OPreparedStatement::setNull(sal_Int32 parameter, sal_Int32 sqlType
 
     try {
         ((sql::PreparedStatement *)cppStatement)->setNull(parameter, sqlType);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::setNull", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
@@ -784,9 +784,9 @@ void SAL_CALL OPreparedStatement::setShort(sal_Int32 parameter, sal_Int16 x)
 
     try {
         ((sql::PreparedStatement *)cppStatement)->setInt(parameter, x);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::setShort", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
@@ -805,9 +805,9 @@ void SAL_CALL OPreparedStatement::setBytes(sal_Int32 parameter, const Sequence<
     std::string blobby((char *)x.getConstArray(), x.getLength());
     try {
         ((sql::PreparedStatement *)cppStatement)->setString(parameter, blobby);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::setBytes", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
@@ -856,9 +856,9 @@ void SAL_CALL OPreparedStatement::clearParameters()
 
     try {
         ((sql::PreparedStatement *)cppStatement)->clearParameters();
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OPreparedStatement::clearParameters", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
 }
diff --git a/mysqlc/source/mysqlc_resultset.cxx b/mysqlc/source/mysqlc_resultset.cxx
index ca8f640d2452..a2034f8e8880 100644
--- a/mysqlc/source/mysqlc_resultset.cxx
+++ b/mysqlc/source/mysqlc_resultset.cxx
@@ -110,7 +110,7 @@ OResultSet::OResultSet(OCommonStatement * pStmt, sql::ResultSet * result, rtl_Te
     try {
         sql::ResultSetMetaData * rs_meta = m_result->getMetaData();
         fieldCount = rs_meta->getColumnCount();
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
 }
@@ -184,7 +184,7 @@ sal_Int32 SAL_CALL OResultSet::findColumn(const OUString& columnName)
                 return i;
             }
         }
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return 0;
@@ -233,7 +233,7 @@ sal_Bool SAL_CALL OResultSet::getBoolean(sal_Int32 column)
     checkColumnIndex(column);
     try {
         return m_result->getBoolean(column)? sal_True:sal_False;
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False;
@@ -252,7 +252,7 @@ sal_Int8 SAL_CALL OResultSet::getByte(sal_Int32 column)
     checkColumnIndex(column);
     try {
         return m_result->getInt(column);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return 0; // fool compiler
@@ -311,7 +311,7 @@ Date SAL_CALL OResultSet::getDate(sal_Int32 column)
             }
             i++;
         } while (nIndex >= 0);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return d;
@@ -330,7 +330,7 @@ double SAL_CALL OResultSet::getDouble(sal_Int32 column)
     checkColumnIndex(column);
     try {
         return m_result->getDouble(column);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return 0.0; // fool compiler
@@ -349,7 +349,7 @@ float SAL_CALL OResultSet::getFloat(sal_Int32 column)
     checkColumnIndex(column);
     try {
         return m_result->getDouble(column);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return 0.0; // fool compiler
@@ -368,7 +368,7 @@ sal_Int32 SAL_CALL OResultSet::getInt(sal_Int32 column)
     checkColumnIndex(column);
     try {
         return m_result->getInt(column);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return 0; // fool compiler
@@ -386,7 +386,7 @@ sal_Int32 SAL_CALL OResultSet::getRow()
 
     try {
         return m_result->getRow();
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return 0; // fool compiler
@@ -405,7 +405,7 @@ sal_Int64 SAL_CALL OResultSet::getLong(sal_Int32 column)
     checkColumnIndex(column);
     try {
         return m_result->getInt64(column);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return 0; // fool compiler
@@ -424,9 +424,9 @@ Reference< XResultSetMetaData > SAL_CALL OResultSet::getMetaData()
         if (!m_xMetaData.is()) {
             m_xMetaData = new OResultSetMetaData(m_result->getMetaData(), m_encoding);
         }
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSet::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return m_xMetaData;
@@ -521,7 +521,7 @@ sal_Int16 SAL_CALL OResultSet::getShort(sal_Int32 column)
 
     try {
         return (sal_Int16) m_result->getInt(column);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return 0; // fool compiler
@@ -546,7 +546,7 @@ OUString SAL_CALL OResultSet::getString(sal_Int32 column)
         } else {
             return OUString();
         }
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return OUString(); // fool compiler
@@ -625,7 +625,7 @@ sal_Bool SAL_CALL OResultSet::isBeforeFirst()
 
     try {
         return m_result->isBeforeFirst()? sal_True:sal_False;
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; //fool
@@ -643,7 +643,7 @@ sal_Bool SAL_CALL OResultSet::isAfterLast()
 
     try {
         return m_result->isAfterLast()? sal_True:sal_False;
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; //fool
@@ -661,7 +661,7 @@ sal_Bool SAL_CALL OResultSet::isFirst()
 
     try {
         return m_result->isFirst();
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; //fool
@@ -679,7 +679,7 @@ sal_Bool SAL_CALL OResultSet::isLast()
 
     try {
         return m_result->isLast()? sal_True:sal_False;
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; //fool
@@ -697,7 +697,7 @@ void SAL_CALL OResultSet::beforeFirst()
 
     try {
         m_result->beforeFirst();
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
 }
@@ -714,7 +714,7 @@ void SAL_CALL OResultSet::afterLast()
 
     try {
         m_result->afterLast();
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
 }
@@ -730,7 +730,7 @@ void SAL_CALL OResultSet::close() throw(SQLException, RuntimeException)
 
     try {
         m_result->close();
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
 
@@ -748,7 +748,7 @@ sal_Bool SAL_CALL OResultSet::first() throw(SQLException, RuntimeException)
 
     try {
         return m_result->first()? sal_True:sal_False;
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; //fool
@@ -766,7 +766,7 @@ sal_Bool SAL_CALL OResultSet::last()
 
     try {
         return m_result->last()? sal_True:sal_False;
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; //fool
@@ -784,7 +784,7 @@ sal_Bool SAL_CALL OResultSet::absolute(sal_Int32 row)
 
     try {
         return m_result->absolute(row)? sal_True:sal_False;
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; //fool
@@ -802,7 +802,7 @@ sal_Bool SAL_CALL OResultSet::relative(sal_Int32 row)
 
     try {
         return m_result->relative(row)? sal_True:sal_False;
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; //fool
@@ -820,7 +820,7 @@ sal_Bool SAL_CALL OResultSet::previous()
 
     try {
         return m_result->previous()? sal_True:sal_False;
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; //fool
@@ -890,7 +890,7 @@ sal_Bool SAL_CALL OResultSet::next()
 
     try {
         return m_result->next()? sal_True:sal_False;
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; //fool
@@ -908,7 +908,7 @@ sal_Bool SAL_CALL OResultSet::wasNull()
 
     try {
         return m_result->wasNull()? sal_True:sal_False;
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; //fool
diff --git a/mysqlc/source/mysqlc_resultsetmetadata.cxx b/mysqlc/source/mysqlc_resultsetmetadata.cxx
index 22bbf637bad6..b56e1bde8972 100644
--- a/mysqlc/source/mysqlc_resultsetmetadata.cxx
+++ b/mysqlc/source/mysqlc_resultsetmetadata.cxx
@@ -51,9 +51,9 @@ sal_Int32 SAL_CALL OResultSetMetaData::getColumnDisplaySize(sal_Int32 column)
 
     try {
         meta->getColumnDisplaySize(column);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getColumnDisplaySize", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return 0; // fool compiler
@@ -70,9 +70,9 @@ sal_Int32 SAL_CALL OResultSetMetaData::getColumnType(sal_Int32 column)
 
     try {
         return mysqlc_sdbc_driver::mysqlToOOOType(meta->getColumnType(column));
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return 0; // fool compiler
@@ -91,9 +91,9 @@ sal_Int32 SAL_CALL OResultSetMetaData::getColumnCount()
     OSL_TRACE("OResultSetMetaData::getColumnCount");
     try {
         return meta->getColumnCount();
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return 0; // fool compiler
@@ -110,9 +110,9 @@ sal_Bool SAL_CALL OResultSetMetaData::isCaseSensitive(sal_Int32 column)
 
     try {
         return meta->isCaseSensitive(column);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; // fool compiler
@@ -129,9 +129,9 @@ OUString SAL_CALL OResultSetMetaData::getSchemaName(sal_Int32 column)
 
     try {
         return convert(meta->getSchemaName(column));
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return OUString(); // fool compiler
@@ -148,9 +148,9 @@ OUString SAL_CALL OResultSetMetaData::getColumnName(sal_Int32 column)
 
     try {
         return convert( meta->getColumnName( column ) );
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return OUString(); // fool compiler
@@ -167,9 +167,9 @@ OUString SAL_CALL OResultSetMetaData::getTableName(sal_Int32 column)
 
     try {
         return convert(meta->getTableName(column));
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return OUString(); // fool compiler
@@ -186,9 +186,9 @@ OUString SAL_CALL OResultSetMetaData::getCatalogName(sal_Int32 column)
 
     try {
         return convert(meta->getCatalogName(column));
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return OUString(); // fool compiler
@@ -205,9 +205,9 @@ OUString SAL_CALL OResultSetMetaData::getColumnTypeName(sal_Int32 column)
 
     try {
         return convert(meta->getColumnTypeName(column));
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return OUString(); // fool compiler
@@ -224,9 +224,9 @@ OUString SAL_CALL OResultSetMetaData::getColumnLabel(sal_Int32 column)
 
     try {
         return convert(meta->getColumnLabel(column));
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return OUString(); // fool compiler
@@ -256,9 +256,9 @@ sal_Bool SAL_CALL OResultSetMetaData::isCurrency(sal_Int32 column)
 
     try {
         return meta->isCurrency(column)? sal_True:sal_False;
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; // fool compiler
@@ -275,9 +275,9 @@ sal_Bool SAL_CALL OResultSetMetaData::isAutoIncrement(sal_Int32 column)
 
     try {
         return meta->isAutoIncrement(column)? sal_True:sal_False;
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; // fool compiler
@@ -294,9 +294,9 @@ sal_Bool SAL_CALL OResultSetMetaData::isSigned(sal_Int32 column)
 
     try {
         return meta->isSigned(column)? sal_True:sal_False;
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; // fool compiler
@@ -313,9 +313,9 @@ sal_Int32 SAL_CALL OResultSetMetaData::getPrecision(sal_Int32 column)
 
     try {
         return meta->getPrecision(column);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getPrecision", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return 0; // fool compiler
@@ -331,9 +331,9 @@ sal_Int32 SAL_CALL OResultSetMetaData::getScale(sal_Int32 column)
     checkColumnIndex(column);
     try {
         return meta->getScale(column);
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getScale", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return 0; // fool compiler
@@ -350,9 +350,9 @@ sal_Int32 SAL_CALL OResultSetMetaData::isNullable(sal_Int32 column)
 
     try {
         return meta->isNullable(column)? sal_True:sal_False;
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; // fool compiler
@@ -369,9 +369,9 @@ sal_Bool SAL_CALL OResultSetMetaData::isSearchable(sal_Int32 column)
 
     try {
         return meta->isSearchable(column)? sal_True:sal_False;
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; // fool compiler
@@ -388,9 +388,9 @@ sal_Bool SAL_CALL OResultSetMetaData::isReadOnly(sal_Int32 column)
 
     try {
         return meta->isReadOnly(column)? sal_True:sal_False;
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; // fool compiler
@@ -407,9 +407,9 @@ sal_Bool SAL_CALL OResultSetMetaData::isDefinitelyWritable(sal_Int32 column)
 
     try {
         return meta->isDefinitelyWritable(column)? sal_True:sal_False;
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; // fool compiler
@@ -426,9 +426,9 @@ sal_Bool SAL_CALL OResultSetMetaData::isWritable(sal_Int32 column)
 
     try {
         return meta->isWritable(column)? sal_True:sal_False;
-    } catch (sql::MethodNotImplementedException) {
+    } catch (const sql::MethodNotImplementedException &) {
         mysqlc_sdbc_driver::throwFeatureNotImplementedException("OResultSetMetaData::getMetaData", *this);
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_encoding);
     }
     return sal_False; // fool compiler
diff --git a/mysqlc/source/mysqlc_statement.cxx b/mysqlc/source/mysqlc_statement.cxx
index 9800e08e6660..736a3b1361c2 100644
--- a/mysqlc/source/mysqlc_statement.cxx
+++ b/mysqlc/source/mysqlc_statement.cxx
@@ -193,7 +193,7 @@ sal_Bool SAL_CALL OCommonStatement::execute(const OUString& sql)
     sal_Bool success = false;
     try {
         success = cppStatement->execute(OUStringToOString(sSqlStatement, m_pConnection->getConnectionSettings().encoding).getStr())? sal_True:sal_False;
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
     return success;
@@ -216,7 +216,7 @@ Reference< XResultSet > SAL_CALL OCommonStatement::executeQuery(const OUString&
         std::auto_ptr< sql::ResultSet > rset(cppStatement->executeQuery(OUStringToOString(sSqlStatement, m_pConnection->getConnectionEncoding()).getStr()));
         xResultSet = new OResultSet(this, rset.get(), m_pConnection->getConnectionEncoding());
         rset.release();
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
     return xResultSet;
@@ -301,7 +301,7 @@ sal_Int32 SAL_CALL OCommonStatement::executeUpdate(const OUString& sql)
     sal_Int32 affectedRows = 0;
     try {
         affectedRows = cppStatement->executeUpdate(OUStringToOString(sSqlStatement, m_pConnection->getConnectionEncoding()).getStr());
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
     return affectedRows;
@@ -322,7 +322,7 @@ Reference< XResultSet > SAL_CALL OCommonStatement::getResultSet()
         std::auto_ptr< sql::ResultSet > rset(cppStatement->getResultSet());
         xResultSet = new OResultSet(this, rset.get(), m_pConnection->getConnectionEncoding());
         rset.release();
-    } catch (sql::SQLException &e) {
+    } catch (const sql::SQLException &e) {
         mysqlc_sdbc_driver::translateAndThrow(e, *this, m_pConnection->getConnectionEncoding());
     }
     return xResultSet;