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.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
{
			scriptContext.enterScope( );
		}
	}
	/**
	 * exits a variable scope.
	 */
	public void exitScope( )
	{
		scriptContext.exitScope( );
	}
	/**
	 * register beans in the execution context
	 * 
	 * @param map
	 *            name value pair.
	 */
	public void registerBeans( Map map )
	{
		if ( map != null )
		{
			Iterator iter = map.entrySet( ).iterator( );
			while ( iter.hasNext( ) )
			{
				Map.Entry entry = (Map.Entry) iter.next( );
				Object keyObj = entry.getKey( );
				Object value = entry.getValue( );
				if ( keyObj != null )
				{
					String key = keyObj.toString( );