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
/**
	 * @return Returns the action handler.
	 */
	public IHTMLImageHandler getImageHandler( )
	{
		return renderOption.getImageHandler( );
	}
	
	/**
	 * return application class loader.
	 * The application class loader is used to load the report item event handle and 
	 * java classes called in the javascript.
	 * @return class loader
	 */
	public ClassLoader getApplicationClassLoader( )
	{
		return applicationClassLoader;
	}
	/**
	 * the application class loader.
	 * 
	 * The class loader first try to the load the class as following sequence:
	 * <li>1. standard java class loader,
	 * <li>2. classloader setted through the appContext.
	 * <li>3. CLASSPATH setted by WEBAPP_CLASSPATH_KEY
	 * <li>4. PROJECT_CLASSPATH_KEY
	 * <li>5. WORKSAPCE_CLASSPATH_KEY
	 * <li>6. JARs define in the report design
	 */
	static private class ApplicationClassLoader extends ClassLoader