Bug 199021 Error message pops up several times when click an invalid dataset
Description: There is a sqlserver datasource and dataset, remove the jtds driver to let the dataset invalid. Double click on the dataset, the error message will pop up serveral times. Build version:2.2.0.v20070807-0630 Steps to reproduce: 1. Create a sqlserver datasource and dataset. 2. Remove the jtds driver, and the dataset will be invalid. 3. Double click on the dataset. Expect result: Error message pops up once to indicate the problem. Actual result: Error message pops up serveral times.
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/provider/JdbcMetaDataProvider.java
metaData = getMetaData( );
		}
		ResultSet resultSet = null;
		if ( cataLog != null && cataLog.trim( ).length( ) == 0 )
		{
			cataLog = null;
		}
		if ( metaData != null )
		{
			try
			{
				resultSet = metaData.getTables( cataLog,
						schemaPattern,
						namePattern,
						types );
			}
			catch ( SQLException e )
			{
				try
				{
					return reTryAchieveResultSet("TABLES", new Object[]{cataLog, schemaPattern, namePattern, types});
				}
				catch ( SQLException e1 )
				{
					logger.log( Level.FINE, e.getMessage( ), e );
				}
			}
		}
		return resultSet;
	}