Bug 315315 Warning messages seen while starting up workbench
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/model/impl/SerializerImpl.java
if ( fTmp.exists( ) )
						{
							fTmp.delete( );
						}
						return (Chart) rChart.getContents( ).get( 0 );
					}
					finally
					{
						if ( writer != null )
						{
							writer.close( );
						}
						if ( fis != null )
						{
							fis.close( );
						}
					}
				}
			} );
		}
		catch ( PrivilegedActionException e )
		{
			Exception typedException = e.getException( );
			if ( typedException instanceof IOException )
			{
				throw (IOException) typedException;
			}
		}
		return chart;
	}