Github user astroshim commented on the issue:
https://github.com/apache/zeppelin/pull/1030
@bzz I fixed code and the build problem that you mentioned is gone.
but another following build fail occurred.
I think following problem seems not related this PR, what do you think?
```
14:10:13,190 ERROR org.apache.zeppelin.scheduler.RemoteScheduler:280 -
Unknown status
java.util.ConcurrentModificationException
at
java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:953)
at java.util.LinkedList$ListItr.next(LinkedList.java:886)
at
com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:95)
at
com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:60)
at
com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:68)
at
com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:89)
at
com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:195)
at com.google.gson.Gson.toJson(Gson.java:582)
at com.google.gson.Gson.toJson(Gson.java:561)
at com.google.gson.Gson.toJson(Gson.java:516)
at com.google.gson.Gson.toJson(Gson.java:496)
at
org.apache.zeppelin.notebook.repo.VFSNotebookRepo.save(VFSNotebookRepo.java:212)
at
org.apache.zeppelin.notebook.repo.NotebookRepoSync.save(NotebookRepoSync.java:145)
at org.apache.zeppelin.notebook.Note.persist(Note.java:543)
at
org.apache.zeppelin.socket.NotebookServer$ParagraphListenerImpl.afterStatusChange(NotebookServer.java:1195)
at org.apache.zeppelin.scheduler.Job.setStatus(Job.java:150)
at
org.apache.zeppelin.scheduler.RemoteScheduler$JobRunner.afterStatusChange(RemoteScheduler.java:385)
at
org.apache.zeppelin.scheduler.RemoteScheduler$JobStatusPoller.getStatus(RemoteScheduler.java:267)
at
org.apache.zeppelin.scheduler.RemoteScheduler$JobRunner.run(RemoteScheduler.java:341)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
14:10:13,191 INFO org.apache.zeppelin.socket.NotebookServer:1192 - Job
20160627-141012_944285838 is finished
14:10:13,191 INFO org.apache.zeppelin.notebook.Paragraph:252 - run
paragraph 20160627-141013_1822933698 using r
org.apache.zeppelin.interpreter.LazyOpenInterpreter@38605c72
```
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