Bug 168318 [regression]Print doesn't work correctly when preview attached file through external browser[00]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
private boolean isCancelled = false;
	
	/**
	 * utilities used in the report execution.
	 */
	private HashMap stringFormatters = new HashMap( );
	private HashMap numberFormatters = new HashMap( );
	private HashMap dateFormatters = new HashMap( );
	private ClassLoader applicationClassLoader;
	
	private int MAX_ERRORS = 100;
	/**
	 * 
	 */
	private IDocArchiveReader dataSource;
	
	/**
	 * All page break listeners.
	 */
	private List pageBreakListeners;
	
	public ExecutionContext()
	{
		this(null, -1);
	}
	/**
	 * create a new context. Call close to finish using the execution context
	 */
	public ExecutionContext( int taskID )
	{