Pravin Dsilva created ZEPPELIN-2332: ---------------------------------------
Summary: HeliumApplicationFactoryTest in Zeppelin Zengine hangs Key: ZEPPELIN-2332 URL: https://issues.apache.org/jira/browse/ZEPPELIN-2332 Project: Zeppelin Issue Type: Bug Components: zeppelin-zengine Affects Versions: 0.8.0 Environment: Ubuntu 14.04.5 x86, ppc64le Reporter: Pravin Dsilva On the Master branch of Zeppelin, HeliumApplicationFactoryTest test gets hanged indefinitely at the following point: {code} 09:51:34,664 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreter:552 - Push local angular object registry from ZeppelinServer to remote interpreter group 2CESSVJH8:shared_process 09:51:34,770 ERROR org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller:263 - Can't handle event RemoteInterpreterEvent(type:OUTPUT_UPDATE_ALL, data:{"messages":[],"noteId":"2CDNWC2XB","paragraphId":"20170330-095133_466661605"}) java.lang.NullPointerException at org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller.run(RemoteInterpreterEventPoller.java:194) 09:51:34,924 INFO org.apache.zeppelin.interpreter.InterpreterGroup:185 - Close interpreter group 2CESSVJH8:shared_process for session: shared_session 09:51:34,968 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreterProcess:123 - shutdown interpreter process 09:51:35,927 ERROR org.apache.zeppelin.interpreter.remote.AppendOutputRunner:68 - Wait for OutputBuffer queue interrupted: null 09:51:37,449 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreterProcess:133 - Exception in RemoteInterpreterProcess while synchronized dereference, can safely ignore exception while client.shutdown() may terminates remote process 09:51:37,473 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreterManagedProcess:186 - Interpreter process exited 0 {code} Commands used for building: {code} mvn clean install -Pspark-1.6 -Ppyspark -Phadoop-2.7 -DskipTests {code} For running the tests: {code} mvn test -Pspark-1.6 -Ppyspark -Phadoop-2.7 {code} I have attached the complete console log. There isn't any surefire report generated for additional debug logs. -- This message was sent by Atlassian JIRA (v6.3.15#6346)