Bug 140620 Chart scripting errors are ignored
Write a chart with an invalid script, the execution simply ignores the script. This makes it difficult to debug scripting. The error message is also not precise and needs improvements.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/script/ScriptHandler.java
if ( f != null )
			{
				sh.TWO_ELEMENT_ARRAY[0] = oArg1;
				sh.TWO_ELEMENT_ARRAY[1] = oArg2;
				Object oReturnValue = null;
				try
				{
					oReturnValue = sh.callJavaScriptFunction( f,
							sh.TWO_ELEMENT_ARRAY );
				}
				catch ( ChartException jsx )
				{
					logger.log( jsx );
				}
				return oReturnValue;
			}
			else
			{
				return null;
			}
		}
	}
	/**
	 * Call JavaScript functions with three arguments.
	 * 
	 * @param sh
	 * @param sFunction
	 * @param oArg1
	 * @param oArg2
	 * @param oArg3