Alexander Shoshin created ZEPPELIN-2470: -------------------------------------------
Summary: HeliumApplicationFactoryTest fails on Travis Key: ZEPPELIN-2470 URL: https://issues.apache.org/jira/browse/ZEPPELIN-2470 Project: Zeppelin Issue Type: Bug Affects Versions: 0.8.0 Reporter: Alexander Shoshin Priority: Minor Travis job fails with a message "No output has been received in the last 10m0s" when running {{HeliumApplicationFactoryTest}} Raw log - https://s3.amazonaws.com/archive.travis-ci.org/jobs/226729538/log.txt?X-Amz-Expires=30&X-Amz-Date=20170428T152214Z&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAJRYRXRSVGNKPKO5A/20170428/us-east-1/s3/aws4_request&X-Amz-SignedHeaders=host&X-Amz-Signature=75cd73f526c76b4403d62c303672b78b560c7c164cd8aacde9b82d4e52de404c {code} Running org.apache.zeppelin.helium.HeliumApplicationFactoryTest SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/home/travis/build/AlexanderShoshin/zeppelin/zeppelin-interpreter/target/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/home/travis/.m2/repository/org/slf4j/slf4j-log4j12/1.7.10/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation. SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory] 09:58:22,148 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name angular 09:58:22,151 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name dev 09:58:22,151 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name sh 09:58:22,151 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name md 09:58:22,151 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name scalding 09:58:22,151 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name spark 09:58:22,173 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group angular : id=2CDVB3U4T, name=angular 09:58:22,173 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group dev : id=2CDYHTYPB, name=dev 09:58:22,173 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group scalding : id=2CG9BGJWV, name=scalding 09:58:22,173 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group md : id=2CE5BVN7T, name=md 09:58:22,174 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group sh : id=2CGH118FS, name=sh 09:58:22,174 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group spark : id=2CH7PAMGU, name=spark 09:58:22,178 INFO org.apache.zeppelin.interpreter.InterpreterFactory:131 - shiroEnabled: false 09:58:22,449 INFO org.apache.commons.vfs2.impl.StandardFileSystemManager:138 - Using "/tmp/vfs_cache" as temporary files store. 09:58:22,547 INFO org.apache.zeppelin.notebook.NotebookAuthorization:96 - /tmp/ZepelinLTest_1493373501507/conf/notebook-authorization.json 09:58:22,645 INFO org.apache.zeppelin.notebook.Notebook:127 - Notebook indexing started... 09:58:22,664 INFO org.apache.zeppelin.notebook.Notebook:129 - Notebook indexing finished: 0 indexed in 0s 09:58:22,674 INFO org.apache.zeppelin.conf.ZeppelinConfiguration:104 - Load configuration from file:/home/travis/build/AlexanderShoshin/zeppelin/zeppelin-zengine/target/test-classes/zeppelin-site.xml 09:58:22,685 INFO org.apache.zeppelin.conf.ZeppelinConfiguration:112 - Server Host: 0.0.0.0 09:58:22,686 INFO org.apache.zeppelin.conf.ZeppelinConfiguration:114 - Server Port: 8080 09:58:22,686 INFO org.apache.zeppelin.conf.ZeppelinConfiguration:118 - Context Path: / 09:58:22,692 INFO org.apache.zeppelin.conf.ZeppelinConfiguration:119 - Zeppelin Version: 0.8.0-SNAPSHOT 09:58:22,736 INFO org.apache.zeppelin.interpreter.InterpreterFactory:189 - Create interpreter instance mock1 for note 2CEVSSXEP 09:58:22,741 INFO org.apache.zeppelin.interpreter.InterpreterFactory:222 - Interpreter org.apache.zeppelin.interpreter.mock.MockInterpreter1 802657373 created 09:58:22,753 INFO org.apache.zeppelin.notebook.Paragraph:367 - run paragraph 20170428-095822_2013982187 using mock1 org.apache.zeppelin.interpreter.LazyOpenInterpreter@2fd7945d 09:58:22,773 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreterManagedProcess:132 - Run interpreter process [/home/travis/build/AlexanderShoshin/zeppelin/bin/interpreter.sh, -d, mock1, -p, 35059, -l, /home/travis/build/AlexanderShoshin/zeppelin/local-repo/2CGJEVHHD, -g, mock1] 09:58:23,397 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreter:222 - Create remote interpreter org.apache.zeppelin.interpreter.mock.MockInterpreter1 09:58:23,620 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreter:554 - Push local angular object registry from ZeppelinServer to remote interpreter group 2CGJEVHHD:shared_process 09:58:23,700 ERROR org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller:266 - Can't handle event RemoteInterpreterEvent(type:OUTPUT_UPDATE_ALL, data:{"noteId":"2CEVSSXEP","paragraphId":"20170428-095822_2013982187","messages":[]}) java.lang.NullPointerException at org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller.run(RemoteInterpreterEventPoller.java:197) 09:58:23,837 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CH7PAMGU:shared_process 09:58:23,838 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CE5BVN7T:shared_process 09:58:23,838 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CDVB3U4T:shared_process 09:58:23,839 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CGH118FS:shared_process 09:58:23,839 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CG9BGJWV:shared_process 09:58:23,840 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CDYHTYPB:shared_process 09:58:23,840 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CGJEVHHD:shared_process 09:58:23,841 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreterProcess:123 - shutdown interpreter process 09:58:24,807 ERROR org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller:272 - Can't get RemoteInterpreterEvent org.apache.thrift.transport.TTransportException at org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:132) at org.apache.thrift.transport.TTransport.readAll(TTransport.java:86) at org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:429) at org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:318) at org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:219) at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69) at org.apache.zeppelin.interpreter.thrift.RemoteInterpreterService$Client.recv_getEvent(RemoteInterpreterService.java:437) at org.apache.zeppelin.interpreter.thrift.RemoteInterpreterService$Client.getEvent(RemoteInterpreterService.java:425) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller.clearUnreadEvents(RemoteInterpreterEventPoller.java:280) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller.run(RemoteInterpreterEventPoller.java:270) 09:58:24,808 ERROR org.apache.zeppelin.interpreter.remote.AppendOutputRunner:68 - Wait for OutputBuffer queue interrupted: null 09:58:26,271 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 09:58:26,273 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreterManagedProcess:186 - Interpreter process exited 0 09:58:26,773 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CG1PB5J2:shared_process 09:58:26,969 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name angular 09:58:26,969 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name dev 09:58:26,969 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name sh 09:58:26,969 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name md 09:58:26,969 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name scalding 09:58:26,969 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name spark 09:58:26,977 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group dev : id=2CGXJ1K8T, name=dev 09:58:26,977 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group spark : id=2CDZ78H9F, name=spark 09:58:26,977 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group scalding : id=2CFFNMH8K, name=scalding 09:58:26,977 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group sh : id=2CGQPGGN8, name=sh 09:58:26,978 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group md : id=2CGM1GDPN, name=md 09:58:26,978 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group angular : id=2CESS3A2V, name=angular 09:58:26,978 INFO org.apache.zeppelin.interpreter.InterpreterFactory:131 - shiroEnabled: false 09:58:26,987 INFO org.apache.zeppelin.notebook.Notebook:127 - Notebook indexing started... 09:58:26,987 INFO org.apache.zeppelin.notebook.Notebook:129 - Notebook indexing finished: 0 indexed in 0s 09:58:26,999 INFO org.apache.zeppelin.interpreter.InterpreterFactory:189 - Create interpreter instance mock1 for note 2CG5BNQED 09:58:27,000 INFO org.apache.zeppelin.interpreter.InterpreterFactory:222 - Interpreter org.apache.zeppelin.interpreter.mock.MockInterpreter1 302335774 created 09:58:27,001 INFO org.apache.zeppelin.notebook.Paragraph:367 - run paragraph 20170428-095826_1560895018 using mock1 org.apache.zeppelin.interpreter.LazyOpenInterpreter@1205471e 09:58:27,002 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreterManagedProcess:132 - Run interpreter process [/home/travis/build/AlexanderShoshin/zeppelin/bin/interpreter.sh, -d, mock1, -p, 33063, -l, /home/travis/build/AlexanderShoshin/zeppelin/local-repo/2CFQ8HJYY, -g, mock1] 09:58:27,504 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreter:222 - Create remote interpreter org.apache.zeppelin.interpreter.mock.MockInterpreter1 09:58:27,691 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreter:554 - Push local angular object registry from ZeppelinServer to remote interpreter group 2CFQ8HJYY:shared_process 09:58:27,744 ERROR org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller:266 - Can't handle event RemoteInterpreterEvent(type:OUTPUT_UPDATE_ALL, data:{"noteId":"2CG5BNQED","paragraphId":"20170428-095826_1560895018","messages":[]}) java.lang.NullPointerException at org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller.run(RemoteInterpreterEventPoller.java:197) 09:58:28,790 ERROR org.apache.zeppelin.notebook.NotebookAuthorization:156 - Error saving notebook authorization file: No such file or directory 09:58:28,796 ERROR org.apache.zeppelin.helium.HeliumApplicationFactory:403 - Can't get note 2CG5BNQED 09:58:28,811 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CDZ78H9F:shared_process 09:58:28,812 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CGM1GDPN:shared_process 09:58:28,812 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CESS3A2V:shared_process 09:58:28,812 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CGQPGGN8:shared_process 09:58:28,813 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CFFNMH8K:shared_process 09:58:28,813 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CGXJ1K8T:shared_process 09:58:28,814 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CFQ8HJYY:shared_process 09:58:28,814 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreterProcess:123 - shutdown interpreter process 09:58:29,293 ERROR org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller:272 - Can't get RemoteInterpreterEvent org.apache.thrift.transport.TTransportException at org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:132) at org.apache.thrift.transport.TTransport.readAll(TTransport.java:86) at org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:429) at org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:318) at org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:219) at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69) at org.apache.zeppelin.interpreter.thrift.RemoteInterpreterService$Client.recv_getEvent(RemoteInterpreterService.java:437) at org.apache.zeppelin.interpreter.thrift.RemoteInterpreterService$Client.getEvent(RemoteInterpreterService.java:425) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller.clearUnreadEvents(RemoteInterpreterEventPoller.java:280) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller.run(RemoteInterpreterEventPoller.java:270) 09:58:29,294 ERROR org.apache.zeppelin.interpreter.remote.AppendOutputRunner:68 - Wait for OutputBuffer queue interrupted: null 09:58:31,241 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 09:58:31,243 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreterManagedProcess:186 - Interpreter process exited 0 09:58:31,244 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CGCNU4FM:shared_process 09:58:31,444 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name angular 09:58:31,444 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name dev 09:58:31,444 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name sh 09:58:31,444 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name md 09:58:31,444 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name scalding 09:58:31,444 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name spark 09:58:31,451 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group scalding : id=2CEDM3RW9, name=scalding 09:58:31,452 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group md : id=2CGQ7F926, name=md 09:58:31,452 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group sh : id=2CDZD1Y95, name=sh 09:58:31,452 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group angular : id=2CGMEWBAG, name=angular 09:58:31,452 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group spark : id=2CEM11FEG, name=spark 09:58:31,452 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group dev : id=2CFTDDTVP, name=dev 09:58:31,452 INFO org.apache.zeppelin.interpreter.InterpreterFactory:131 - shiroEnabled: false 09:58:31,460 INFO org.apache.zeppelin.notebook.Notebook:127 - Notebook indexing started... 09:58:31,461 INFO org.apache.zeppelin.notebook.Notebook:129 - Notebook indexing finished: 0 indexed in 0s 09:58:31,473 ERROR org.apache.zeppelin.notebook.NotebookAuthorization:156 - Error saving notebook authorization file: No such file or directory 09:58:31,474 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CEM11FEG:shared_process 09:58:31,474 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CGQ7F926:shared_process 09:58:31,475 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CGMEWBAG:shared_process 09:58:31,475 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CDZD1Y95:shared_process 09:58:31,476 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CEDM3RW9:shared_process 09:58:31,476 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CFTDDTVP:shared_process 09:58:31,476 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CHAHJDKB:shared_process 09:58:31,477 INFO org.apache.zeppelin.interpreter.InterpreterGroup:151 - Close interpreter group 2CEV6P7ND:shared_process 09:58:31,661 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name angular 09:58:31,661 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name dev 09:58:31,661 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name sh 09:58:31,661 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name md 09:58:31,661 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name scalding 09:58:31,662 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:332 - InterpreterSettingRef name spark 09:58:31,671 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group angular : id=2CGKRYHQK, name=angular 09:58:31,671 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group md : id=2CFMBVUTX, name=md 09:58:31,671 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group spark : id=2CGGSDJFQ, name=spark 09:58:31,672 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group sh : id=2CGYJRXEF, name=sh 09:58:31,672 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group scalding : id=2CEASBNA3, name=scalding 09:58:31,672 INFO org.apache.zeppelin.interpreter.InterpreterSettingManager:361 - InterpreterSetting group dev : id=2CGZN46FW, name=dev 09:58:31,672 INFO org.apache.zeppelin.interpreter.InterpreterFactory:131 - shiroEnabled: false 09:58:31,683 INFO org.apache.zeppelin.notebook.Notebook:127 - Notebook indexing started... 09:58:31,684 INFO org.apache.zeppelin.notebook.Notebook:129 - Notebook indexing finished: 0 indexed in 0s 09:58:31,698 INFO org.apache.zeppelin.interpreter.InterpreterFactory:189 - Create interpreter instance mock1 for note 2CFNWD8EN 09:58:31,698 INFO org.apache.zeppelin.interpreter.InterpreterFactory:222 - Interpreter org.apache.zeppelin.interpreter.mock.MockInterpreter1 1123595403 created 09:58:31,700 INFO org.apache.zeppelin.notebook.Paragraph:367 - run paragraph 20170428-095831_1017907915 using mock1 org.apache.zeppelin.interpreter.LazyOpenInterpreter@42f8b48b 09:58:31,700 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreterManagedProcess:132 - Run interpreter process [/home/travis/build/AlexanderShoshin/zeppelin/bin/interpreter.sh, -d, mock1, -p, 44461, -l, /home/travis/build/AlexanderShoshin/zeppelin/local-repo/2CE4NCXH9, -g, mock1] 09:58:32,208 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreter:222 - Create remote interpreter org.apache.zeppelin.interpreter.mock.MockInterpreter1 09:58:32,400 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreter:554 - Push local angular object registry from ZeppelinServer to remote interpreter group 2CE4NCXH9:shared_process 09:58:32,454 ERROR org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller:266 - Can't handle event RemoteInterpreterEvent(type:OUTPUT_UPDATE_ALL, data:{"noteId":"2CFNWD8EN","paragraphId":"20170428-095831_1017907915","messages":[]}) java.lang.NullPointerException at org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller.run(RemoteInterpreterEventPoller.java:197) 09:58:32,522 INFO org.apache.zeppelin.interpreter.InterpreterGroup:185 - Close interpreter group 2CE4NCXH9:shared_process for session: shared_session 09:58:32,523 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreterProcess:123 - shutdown interpreter process 09:58:33,523 ERROR org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller:272 - Can't get RemoteInterpreterEvent org.apache.thrift.transport.TTransportException at org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:132) at org.apache.thrift.transport.TTransport.readAll(TTransport.java:86) at org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:429) at org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:318) at org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:219) at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69) at org.apache.zeppelin.interpreter.thrift.RemoteInterpreterService$Client.recv_getEvent(RemoteInterpreterService.java:437) at org.apache.zeppelin.interpreter.thrift.RemoteInterpreterService$Client.getEvent(RemoteInterpreterService.java:425) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller.clearUnreadEvents(RemoteInterpreterEventPoller.java:280) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventPoller.run(RemoteInterpreterEventPoller.java:270) 09:58:33,523 ERROR org.apache.zeppelin.interpreter.remote.AppendOutputRunner:68 - Wait for OutputBuffer queue interrupted: null 09:58:34,951 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 09:58:34,953 INFO org.apache.zeppelin.interpreter.remote.RemoteInterpreterManagedProcess:186 - Interpreter process exited 0 No output has been received in the last 10m0s, this potentially indicates a stalled build or something wrong with the build itself. Check the details on how to adjust your build configuration on: https://docs.travis-ci.com/user/common-build-problems/#Build-times-out-because-no-output-was-received The build has been terminated {code} -- This message was sent by Atlassian JIRA (v6.3.15#6346)