Bug 179888 The x-tab in library can not be used in report design when a x-tab exist in that report design[1102]
Description: The x-tab in library can not be used in report design when a x-tab exist in that report design[1102] Build number: 2.2.0.v20070329-0630 Steps to reproduce: 1, New a cube and x-tab in library 2, New a cube and x-tab in report 3, Using the x-tab from library in report Expected result: The x-tab can be used from library Actual result: No effact after dragging the x-tab from library explorer Error log:
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
* @see org.eclipse.birt.report.model.elements.ElementVisitor#visitSimpleDataSet(org.eclipse.birt.report.model.elements.SimpleDataSet)
	 */
	public void visitDataSet( DataSet obj )
	{
		super.visitDataSet( obj );
		writeStructureList( obj, IDataSetModel.RESULT_SET_HINTS_PROP );
		writeStructureList( obj, IDataSetModel.COMPUTED_COLUMNS_PROP );
		writeStructureList( obj, IDataSetModel.COLUMN_HINTS_PROP );
		writeStructureList( obj, IDataSetModel.FILTER_PROP );
		CachedMetaData metadata = (CachedMetaData) obj.getLocalProperty(
				getModule( ), IDataSetModel.CACHED_METADATA_PROP );
		if ( metadata != null )
		{
			
			writer.startElement( DesignSchemaConstants.STRUCTURE_TAG );
			writer.attribute( IDesignElementModel.NAME_PROP,
					IDataSetModel.CACHED_METADATA_PROP );
			writeStructureList( metadata, CachedMetaData.PARAMETERS_MEMBER );
			writeStructureList( metadata, CachedMetaData.RESULT_SET_MEMBER );
			writer.endElement( );
			
		}
		property( obj, IDataSetModel.ROW_FETCH_LIMIT_PROP );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.elements.ElementVisitor#visitSimpleDataSet(org.eclipse.birt.report.model.elements.SimpleDataSet)
	 */
	public void visitSimpleDataSet( SimpleDataSet obj )