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
}
				boolean isSame;
				while ( procedureRs.next( ) )
				{
					isSame = false;
					Procedure procedure = new Procedure( );
					
					 
					procedure.setCatalog( procedureRs.getString( "PROCEDURE_CAT" ) );
					procedure.setSchema( procedureRs.getString( "PROCEDURE_SCHEM" ) );
					procedure.setProcedureName( procedureRs.getString( "PROCEDURE_NAME" ) );
					
					
					for ( int i = 0; i < procedureList.size( ); i++ )
					{
						if ( ( (Procedure) ( procedureList.get( i ) ) ).isEqualWith( procedure ) )
							isSame = true;
					}
					if ( !isSame )
						procedureList.add( procedure );
				}
			}
			catch ( SQLException e )
			{
				logger.log( Level.FINE, e.getMessage( ), e );
			}
		}
		return procedureList;
	}