Bug 143890 [Smoke]Chart cann't preview as web view
Details: [Smoke]Chart cann't preview as web view Setp: 1.Add a chart on report design. 2.Preview as web view. Actual result: The chart can't be preview on web view.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
catch ( Exception e )
		{
		}
		return task;
	}
	/**
	 * Open report document from archive,
	 * 
	 * @param docName
	 *            the name of the report document
	 * @param systemId
	 *            the system ID to search the resource in the document,
	 *            generally it is the file name of the report design
	 * @return the report docuement
	 */
	public IReportDocument openReportDocument( String systemId, String docName )
	{
		IReportDocument document = null;
		try
		{
			synchronized ( this.getClass( ) )
			{
				document = engine.openReportDocument( systemId, docName );
			}
		}
		catch ( Exception e )
		{
		}
		return document;
	}