[hibernate-issues] [Hibernate-JIRA] Closed: (HHH-5307) "SettingsFactory" no longer checks for presence of "supportsGetGeneratedKeys" before calling it

[Steve Ebersole (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Ebersole closed HHH-5307.
-------------------------------

    Resolution: Rejected

Since 3.3 Hibernate has expected at least JDBC3 (>= JDK 1.4).  You appear to be using a driver for JDK 1.3 or earlier.

> "SettingsFactory" no longer checks for presence of "supportsGetGeneratedKeys" before calling it
> -----------------------------------------------------------------------------------------------
>
>                 Key: HHH-5307
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5307
>             Project: Hibernate Core
>          Issue Type: Bug
>    Affects Versions: 3.5.2
>            Reporter: Weinan Xiong
>
> Same issue occured again like HHH-5017. The Hibernate version is 3.5.2.
> When I am using DB2 type 2 driver, I will get the following error:
>  Initial SessionFactory Creaion Failed.java.lang.AbstractMethodError
> The temperate solution will add this property into xxx.cfg.xml file:
> hibernate.temp.use_jdbc_metadata_defaults= false.
> When you look at the source code for SettingsFactory, you can tell the supportsGetGeneratedKeys has never been checked before getting call.
> boolean useJdbcMetadata = PropertiesHelper.getBoolean( "hibernate.temp.use_jdbc_metadata_defaults", props, true );
> 		if ( useJdbcMetadata ) {
> 			try {
> 				Connection conn = connections.getConnection();
> 				try {
> 					DatabaseMetaData meta = conn.getMetaData();
> 					log.info( "RDBMS: " + meta.getDatabaseProductName() + ", version: " + meta.getDatabaseProductVersion() );
> 					log.info( "JDBC driver: " + meta.getDriverName() + ", version: " + meta.getDriverVersion() );
> 					dialect = DialectFactory.buildDialect( props, conn );
> 					jdbcSupport = JdbcSupportLoader.loadJdbcSupport( conn );
> 					metaSupportsScrollable = meta.supportsResultSetType( ResultSet.TYPE_SCROLL_INSENSITIVE );
> 					metaSupportsBatchUpdates = meta.supportsBatchUpdates();
> 					metaReportsDDLCausesTxnCommit = meta.dataDefinitionCausesTransactionCommit();
> 					metaReportsDDLInTxnSupported = !meta.dataDefinitionIgnoredInTransactions();
> 					metaSupportsGetGeneratedKeys = meta.supportsGetGeneratedKeys();
> 				}
> 				catch ( SQLException sqle ) {
> 					log.warn( "Could not obtain connection metadata", sqle );
> 				}
> 				finally {
> 					connections.closeConnection( conn );
> 				}
> 			}

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