Hi, When I click “open in diagram” , in output it shows
[Warn - 下午2:45:57] Duplicate ID ‘a.label’
[Warn - 下午2:45:57] Duplicate ID ‘a.label’
[Warn - 下午2:45:57] Duplicate ID ‘a.label1’
[Warn - 下午2:45:57] Duplicate ID ‘a.label’
[Warn - 下午2:45:57] Duplicate ID ‘a.label1’
[Warn - 下午2:45:57] Duplicate ID ‘a.label2’
[Warn - 下午2:45:57] Duplicate ID ‘a.label’
[Warn - 下午2:45:57] Duplicate ID ‘a.label1’
[Warn - 下午2:45:57] Duplicate ID ‘a.label2’
[Warn - 下午2:45:57] Duplicate ID ‘a.label3’
[Warn - 下午2:46:55] Duplicate ID ‘a.label’
[Warn - 下午2:46:55] Duplicate ID ‘a.label1’
[Warn - 下午2:46:55] Duplicate ID ‘a.label2’
[Warn - 下午2:46:55] Duplicate ID ‘a.label3’
[Warn - 下午2:46:55] Duplicate ID ‘a.label4’
[Error - 下午2:46:55] Error during request: : java.lang.IllegalArgumentException: null is not an XtextResource
at org.eclipse.sprotty.xtext.tracing.PositionConverter.toPosition(PositionConverter.java:63)
at org.eclipse.sprotty.xtext.tracing.PositionConverter.toRange(PositionConverter.java:71)
at org.eclipse.sprotty.xtext.tracing.PositionConverter.toRange(PositionConverter.java:67)
at org.eclipse.sprotty.xtext.tracing.XtextTraceProvider.doTrace(XtextTraceProvider.java:85)
at org.eclipse.sprotty.xtext.tracing.XtextTraceProvider.trace(XtextTraceProvider.java:77)
at io.typefox.examples.theia.states.ide.diagram.StatesDiagramGenerator.lambda$toSNode$4(StatesDiagramGenerator.java:72)
at org.eclipse.sprotty.SNode.(SNode.java:47)
at io.typefox.examples.theia.states.ide.diagram.StatesDiagramGenerator.toSNode(StatesDiagramGenerator.java:84)
at io.typefox.examples.theia.states.ide.diagram.StatesDiagramGenerator.lambda$null$0(StatesDiagramGenerator.java:55)
at org.eclipse.xtext.xbase.lib.internal.FunctionDelegate.apply(FunctionDelegate.java:43)
at com.google.common.collect.Lists$TransformingRandomAccessList$1.transform(Lists.java:612)
at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:47)
at org.eclipse.sprotty.SModelIndex.addToIndex(SModelIndex.java:72)
at org.eclipse.sprotty.SModelIndex.(SModelIndex.java:52)
at org.eclipse.sprotty.LayoutUtil.copyLayoutData(LayoutUtil.java:54)
at org.eclipse.sprotty.DefaultDiagramServer.updateModel(DefaultDiagramServer.java:189)
at org.eclipse.sprotty.xtext.ls.DiagramUpdater.lambda$null$3(DiagramUpdater.java:129)
at java.util.ArrayList.forEach(ArrayList.java:1257)
at org.eclipse.sprotty.xtext.ls.DiagramUpdater.lambda$doUpdateDiagrams$4(DiagramUpdater.java:132)
at org.eclipse.xtext.ide.server.LanguageServerImpl$1.lambda$null$0(LanguageServerImpl.java:1117)
at org.eclipse.xtext.ide.server.WorkspaceManager.doRead(WorkspaceManager.java:479)
at org.eclipse.xtext.ide.server.LanguageServerImpl$1.lambda$doRead$1(LanguageServerImpl.java:1116)
at org.eclipse.xtext.ide.server.concurrent.ReadRequest.lambda$doRun$0(ReadRequest.java:66)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
anyone familiar with this error?
[original thread by Qizewen]