Bug 195613 drill through to toc in target report does not work properly[04]
steps to reproduce: use attached reports preview new_report_9.rptdesign in PDF click on actuate logo expected behavior: data item of 2nd page (toc) in target report is displayed actual behavior: target report was reached, but failed to navigated to the toc item
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/BirtUtility.java
{
				BaseTaskBean bean = new BaseTaskBean( taskid, task );
				map.put( taskid, bean );
			}
		}
		catch ( Exception e )
		{
		}
	}
	/**
	 * Remove task from http session
	 * 
	 * @param request
	 */
	public static void removeTask( HttpServletRequest request )
	{
		if ( request == null )
			return;
		try
		{
			
			BaseAttributeBean attrBean = (BaseAttributeBean) request
					.getAttribute( IBirtConstants.ATTRIBUTE_BEAN );
			if ( attrBean == null )
				return;
			String taskid = attrBean.getTaskId( );
			if ( taskid == null )
				return;
			
			HttpSession session = request.getSession( true );