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R2023a Cloudera Hadoop error com.mathwo​rks.toolbo​x.parallel​.hadoop.Ma​tlabStartu​pFailureEx​ception: parallel:m​apreduce:H​adoopTaskO​therFailur​e

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Charles Ragan
Charles Ragan 2024-5-2
On MATLAB R2023a MATLAB Distributed Computing Server (MDCS) running on Cloudera Hadoop we periodically get the below error in a mapreduce job failure but then it will run fine. Any ideas?
2024-04-26 16:04:35,721 ERROR [IPC Server handler 24 on 34933] org.apache.hadoop.mapred.TaskAttemptListenerImpl: Task: attempt_1690115930864_20721693_r_000000_0 - exited : com.mathworks.toolbox.parallel.hadoop.MatlabStartupFailureException: parallel:mapreduce:HadoopTaskOtherFailure
Caused by: com.mathworks.util.ShutdownRuntimeException: Java is shutting down
at com.mathworks.mvm.MvmFactory.nativeStartSession(Native Method)
at com.mathworks.mvm.MvmSession.createSession(MvmSession.java:276)
at com.mathworks.mvm.MvmSession.createSession(MvmSession.java:249)
at com.mathworks.toolbox.parallel.hadoop.worker.MvmPool.initializeMvmSession(Unknown Source)
at com.mathworks.toolbox.parallel.hadoop.worker.MvmPool.<init>(Unknown Source)
at com.mathworks.toolbox.parallel.hadoop.link.MatlabWorkerSingleton.initialize(Unknown Source)
at com.mathworks.toolbox.parallel.hadoop.link.MatlabReducer.setup(Unknown Source)
at com.mathworks.toolbox.parallel.hadoop.link.MatlabReducer.run(Unknown Source)
at com.mathworks.toolbox.parallel.hadoop.MatlabReflectionReducer.run(Unknown Source)
at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:628)
at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:390)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:174)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1898)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:168)

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