UnsupportedOperationException clicking a source model function category in Function Builder ------------------------------------------------------------------------------------------- Key: TEIIDDES-3056 URL: https://issues.jboss.org/browse/TEIIDDES-3056 Project: Teiid Designer Issue Type: Bug Reporter: Barry LaFond Assignee: Barry LaFond looks like the FunctionTree.getFunctionsInCategory() is returning a Collections.emptySet() which FunctionLibrary.getFunctionForms() tries to do an *addAll()* {code} !ENTRY org.eclipse.ui 4 0 2017-03-07 13:27:01.647 !MESSAGE Unhandled event loop exception !STACK 0 java.lang.UnsupportedOperationException at java.util.AbstractCollection.add(AbstractCollection.java:262) at java.util.AbstractCollection.addAll(AbstractCollection.java:344) at org.teiid.query.function.FunctionLibrary.getFunctionForms(FunctionLibrary.java:150) at org.teiid.query.ui.builder.model.FunctionEditorModel.setCategory(FunctionEditorModel.java:267) at org.teiid.designer.transformation.ui.builder.expression.FunctionEditor.handleCategorySelected(FunctionEditor.java:261) at org.teiid.designer.transformation.ui.builder.expression.FunctionEditor$1.widgetSelected(FunctionEditor.java:130) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:249) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5219) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1340) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4553) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4143) at org.eclipse.jface.window.Window.runEventLoop(Window.java:818) at org.eclipse.jface.window.Window.open(Window.java:794) at org.teiid.designer.transformation.ui.editors.sqleditor.SqlEditorPanel.showExpressionBuilder(SqlEditorPanel.java:1205) at org.teiid.designer.transformation.ui.editors.sqleditor.SqlEditorPanelWrapper.showExpressionBuilder(SqlEditorPanelWrapper.java:123) at org.teiid.designer.transformation.ui.editors.sqleditor.actions.LaunchExpressionBuilder.doRun(LaunchExpressionBuilder.java:50) {code}