Bug 197261 [2.2.1]The report that contain library xtab and set filter cannot be run
Description: [2.2.1]The report that contain library xtab and set filter cannot be run Step: 1.New a library and add a xtab 2.New a report and use the library 3.Drop the xtab from library explorer into layout 4.Set the filter on the xtab that is in report 5.Preview Actual result: It pop up an error said that the report cannot be run
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
return;
		writer.startElement( DesignSchemaConstants.STRUCTURE_TAG );
		writer.attribute( IDesignElementModel.NAME_PROP,
				IOdaDataSetModel.DESIGNER_STATE_PROP );
		property( designerState, OdaDesignerState.VERSION_MEMBER );
		property( designerState, OdaDesignerState.CONTENT_AS_STRING_MEMBER );
		try
		{
			if ( designerState.getContentAsBlob( ) != null )
			{
				byte[] data = base.encode( designerState.getContentAsBlob( ) );
				String value = new String( data, OdaDesignerState.CHARSET );
				if ( value.length( ) < IndentableXMLWriter.MAX_CHARS_PER_LINE )
					writeEntry( DesignSchemaConstants.PROPERTY_TAG,
							OdaDesignerState.CONTENT_AS_BLOB_MEMBER, value,
							false );
				else
					writeLongIndentText( DesignSchemaConstants.PROPERTY_TAG,
							OdaDesignerState.CONTENT_AS_BLOB_MEMBER, value );
			}
		}
		catch ( UnsupportedEncodingException e )
		{
			assert false;
		}
		writer.endElement( );
	}
	/**
	 * Writes the content tree out to the file.
	 *