Jeff Zhang created ZEPPELIN-5147: ------------------------------------ Summary: ConcurrentModificationException in Note#toJson Key: ZEPPELIN-5147 URL: https://issues.apache.org/jira/browse/ZEPPELIN-5147 Project: Zeppelin Issue Type: Bug Components: zeppelin-server Affects Versions: 0.9.0 Reporter: Jeff Zhang
{code:java} ERROR [2020-11-30 18:17:23,010] ({qtp667821226-82} NotebookServer.java[onMessage]:461) - Can't handle message: {"op":"GET_NOTE","data":{"id":"2FTA843M1"},"ticket":"anonymous","principal":"anonymous","roles":""} java.util.ConcurrentModificationException at java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:966) at java.util.LinkedList$ListItr.next(LinkedList.java:888) at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:96) at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:61) at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:69) at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:127) at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:245) at com.google.gson.internal.bind.ObjectTypeAdapter.write(ObjectTypeAdapter.java:107) at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:69) at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.write(MapTypeAdapterFactory.java:208) at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.write(MapTypeAdapterFactory.java:145) at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:69) at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:127) {code} {code:java} ERROR [2020-11-30 18:17:23,018] ({qtp667821226-83} NotebookService.java[runParagraph]:372) - Exception from run java.util.ConcurrentModificationException at java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:966) at java.util.LinkedList$ListItr.next(LinkedList.java:888) at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:96) at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:61) at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:69) at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:127) at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:245) at com.google.gson.Gson.toJson(Gson.java:704) at com.google.gson.Gson.toJson(Gson.java:683) at com.google.gson.Gson.toJson(Gson.java:638) at com.google.gson.Gson.toJson(Gson.java:618) at org.apache.zeppelin.notebook.Note.toJson(Note.java:1120) at org.apache.zeppelin.notebook.repo.VFSNotebookRepo.save(VFSNotebookRepo.java:151) at org.apache.zeppelin.notebook.repo.NotebookRepoSync.save(NotebookRepoSync.java:214) at org.apache.zeppelin.notebook.NoteManager.saveNote(NoteManager.java:182) {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)