Bug 121111 Bad event handler class name does not cause an error
Open a report design, open any Data Set's Property editor. Type in an invalid Java class name for the "Event Handler Class" property, say "aaa". Preview a report that uses that Data Set. The report executes normally. No error is shown. Event handlers are an integral part of a report design, and if a script handler class is not found, or if the handler throws a runtime exception, Report Engine should either stop the report execution, or show the error message in the generated report. (Tested with the 2005-12-15 nightly build)
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/data/dte/AbstractDataEngine.java
resultSetID = ( String ) in.readObject( );
		}
		public boolean equalTo( String parentID, String rid )
		{
			if ( parentRSID.equals( parentID ) && rowid.equals( rid ) )
			{
				return true;
			}
			return false;
		}
	}
	protected class QueryID implements Serializable
	{
		private static final long serialVersionUID = 5750799978535272737L;
		public ArrayList beforeExpressionIDs;
		public ArrayList afterExpressionIDs;
		public ArrayList rowExpressionIDs;
		public ArrayList subqueryIDs;
		public ArrayList groupIDs;
		public QueryID( )
		{
			beforeExpressionIDs = new ArrayList( );
			afterExpressionIDs = new ArrayList( );
			rowExpressionIDs = new ArrayList( );
			groupIDs = new ArrayList( );
			subqueryIDs = new ArrayList( );
		}
		private void writeObject( ObjectOutputStream out ) throws IOException
		{
			out.writeObject( beforeExpressionIDs );