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