Bug 208718 Exception is thrown out when exported data with column's data type [0002]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
if ( ParameterAccessor.isIidReportlet( request ) )
			{
				InstanceID instanceId = InstanceID.parse( reportletId );
				renderTask.setInstanceID( instanceId );
			}
			else
			{
				renderTask.setReportlet( reportletId );
			}
			renderTask.render( );
		}
		catch ( Exception e )
		{
			AxisFault fault = new AxisFault( e.getLocalizedMessage( ), e
					.getCause( ) );
			fault.setFaultCode( new QName(
					"ReportEngineService.renderReport( )" ) ); 
			throw fault;
		}
		finally
		{
			
			BirtUtility.removeTask( request );
			renderTask.close( );
		}
	}
	/**
	 * Get query result sets.
	 * 
	 * @param document