Bug 200755 [smoke]Fail to preview Crosstab after deploy BIRT in application servers.[0601][1102]
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/data/ui/util/DataUtil.java
newProhibitedSet.addAll( prohibitedSet );
				temp.addAll( getReferencedBindings( (ComputedColumnHandle) it.next( ),
						allHandleList,
						newProhibitedSet ) );
			}
			result.addAll( temp );
		}
		catch ( BirtException e )
		{
		}
		return result;
	}
	/**
	 * Return a list of valid group key bindings. Only those bindings that do
	 * not involve aggregations will be allowed.
	 * 
	 * @param availableHandles
	 * @return
	 */
	public static List getValidGroupKeyBindings( List availableHandles )
	{
		List result = new ArrayList( );
		if ( availableHandles == null )
			return result;
		try
		{
			for ( int i = 0; i < availableHandles.size( ); i++ )
			{
				ComputedColumnHandle handle = (ComputedColumnHandle) availableHandles.get( i );
				List originalNames = new ArrayList( );