Bug 124444 Preview attached file in pdf will display nothing.
Description: Preview attached file in pdf will display nothing. Steps to reproduce: 1. Preview attached design file in pdf Expected result: Report content shows Actual result: Wait for 10 minutes but nothing showed at all
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/data/dte/AbstractDataEngine.java
logger.log( Level.SEVERE, e.getMessage( ), e );
				context.addException( e );
				return null;
			}
			catch ( JavaScriptException ee )
			{
				logger.log( Level.SEVERE, ee.getMessage( ), ee );
				context.addException( new EngineException(
						MessageConstants.INVALID_EXPRESSION_ERROR, expr, ee ) );
				return null;
			}
		}
		
		if ( expr instanceof IScriptExpression )
		{
			return context.evaluate( ( (IScriptExpression) expr ).getText( ) );
		}
		if ( expr instanceof IConditionalExpression )
		{
			return context.evaluateCondExpr( (IConditionalExpression) expr );
		}
		
		assert ( false );
		return null;
	}
	public DataEngine getDataEngine( )
	{
		return dataEngine;
	}
	protected class Key implements Serializable