Github user bzz commented on the issue:
https://github.com/apache/zeppelin/pull/1030
There are multiple CI failures
- JSON parsing failure somewhere in websocket communication
```
Running
org.apache.zeppelin.notebook.repo.zeppelinhub.websocket.protocol.ZeppelinhubMessageTest
22:05:10,932 ERROR
org.apache.zeppelin.notebook.repo.zeppelinhub.websocket.Client:79 - Cannot
deserialize zeppelinhub message
com.google.gson.JsonSyntaxException: java.lang.IllegalStateException:
Expected BEGIN_OBJECT but was STRING at line 1 column 12
at
com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:176)
at com.google.gson.Gson.fromJson(Gson.java:791)
at com.google.gson.Gson.fromJson(Gson.java:757)
at com.google.gson.Gson.fromJson(Gson.java:706)
at com.google.gson.Gson.fromJson(Gson.java:678)
at
org.apache.zeppelin.notebook.repo.zeppelinhub.websocket.protocol.ZeppelinhubMessage.deserialize(ZeppelinhubMessage.java:77)
at
org.apache.zeppelin.notebook.repo.zeppelinhub.websocket.protocol.ZeppelinhubMessageTest.testThatInvalidStringReturnEmptyZeppelinhubMessage(ZeppelinhubMessageTest.java:40)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
at
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124)
at
org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200)
at
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
at
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
Caused by: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was
STRING at line 1 column 12
at com.google.gson.stream.JsonReader.expect(JsonReader.java:339)
at com.google.gson.stream.JsonReader.beginObject(JsonReader.java:322)
at
com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:165)
... 29 more
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.01 sec -
in
org.apache.zeppelin.notebook.repo.zeppelinhub.websocket.protocol.ZeppelinhubMessageTest
```
- with something, related to `ConcurrentHashMap`
```
2:05:16,571 ERROR org.apache.zeppelin.scheduler.Job:182 - Job failed
java.lang.NullPointerException
at
java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
at
java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988)
at
org.apache.zeppelin.user.Credentials.getUserCredentials(Credentials.java:56)
at
org.apache.zeppelin.notebook.Paragraph.getInterpreterContext(Paragraph.java:354)
at org.apache.zeppelin.notebook.Paragraph.jobRun(Paragraph.java:277)
at org.apache.zeppelin.scheduler.Job.run(Job.java:176)
at
org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139)
at
java.util.concurrent.Executors$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)
22:05:16,571 ERROR org.apache.zeppelin.scheduler.JobProgressPoller:54 - Can
not get or update progress
java.lang.NullPointerException
at
java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
at
java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988)
at
org.apache.zeppelin.user.Credentials.getUserCredentials(Credentials.java:56)
at
org.apache.zeppelin.notebook.Paragraph.getInterpreterContext(Paragraph.java:354)
at org.apache.zeppelin.notebook.Paragraph.progress(Paragraph.java:237)
at
org.apache.zeppelin.scheduler.JobProgressPoller.run(JobProgressPoller.java:51)
22:05:16,574 INFO org.apache.zeppelin.notebook.Paragraph:252 - run
paragraph 20160624-220515_1683752381 using null
```
Have never seen any of those before, @astroshim could you take a look
please and make sure it's not related to the changes?
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