Bug 207897 [Automation][Regression]A DataException is thrown out when preview reportdesign
Description: A DataException is thrown out when preview reportdesign Test Date: 20071030 Test Build: BIRT2.2.2 v20071029 Step to reproduce: 1. Use the reportdesign attached 2. Preview it Expect result: Report can be previewed without any exception. Actual result: A DataException is thrown out.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
/**
	 * Set the cancel flag.
	 */
	public void cancel( )
	{
		isCancelled = true;
	}
	public boolean isCanceled( )
	{
		return isCancelled;
	}
	
	public void setCancelOnError( boolean cancel )
	{
		cancelOnError = cancel;
	}
	
	public void setDataSource( IDocArchiveReader dataSource )
			throws IOException
	{
		dataSource.open( );
		this.dataSource = dataSource;
	}
	
	public IDocArchiveReader getDataSource()
	{
		return dataSource;
	}
	
	public IBaseResultSet executeQuery( IBaseResultSet parent,