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.reportitem/src/org/eclipse/birt/chart/reportitem/ChartReportItemImpl.java
}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.extension.IElement#validate()
	 */
	public List validate( )
	{
		logger.log( ILogger.INFORMATION,
				Messages.getString( "ChartReportItemImpl.log.validate" ) );  
		return Collections.EMPTY_LIST;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.extension.IElement#copy()
	 */
	public final IReportItem copy( )
	{
		final ChartReportItemImpl crii = new ChartReportItemImpl( handle );
		crii.cm = (Chart) EcoreUtil.copy( cm );
		return crii;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.extension.IElement#refreshPropertyDefinition()
	 */
	public boolean refreshPropertyDefinition( )
	{