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
{
				if ( loader == null )
				{
					createWrappedClassLoaders( );
				}
				return loader.loadClass( className );
			}
		}
		public URL getResource( String name )
		{
			URL url = ApplicationClassLoader.class.getClassLoader( )
					.getResource( name );
			if ( url == null )
			{
				if ( loader == null )
				{
					createWrappedClassLoaders( );
				}
				return loader.getResource( name );
			}
			return null;
		}
		protected void createWrappedClassLoaders( )
		{
			ClassLoader root = getAppClassLoader( );
			if ( root == null )
			{
				root = ExecutionContext.class.getClassLoader( );
			}
			loader = createClassLoaderFromProperty( root );