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
logger.log( Level.FINE, e.getMessage( ), e );
				}
			}
		}
		return cataLog;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.data.oda.jdbc.ui.provider.IMetadataProvider#getCatalogSeparator()
	 */
	public String getCatalogSeparator( )
	{
		if ( metaData == null )
		{
			metaData = getMetaData( );
		}
		try
		{
			String separator = metaData.getCatalogSeparator( );
			if ( separator == null || separator.trim( ).length( ) == 0 )
			{
				separator = ".";
			}
			return separator;
		}
		catch ( SQLException e )
		{
			logger.log( Level.FINE, e.getMessage( ), e );
		}