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Posted to yarn-issues@hadoop.apache.org by "Akira Ajisaka (Jira)" <ji...@apache.org> on 2021/12/23 10:42:00 UTC

[jira] [Assigned] (YARN-11053) AuxService should not use class name as default system classes

     [ https://issues.apache.org/jira/browse/YARN-11053?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Akira Ajisaka reassigned YARN-11053:
------------------------------------

    Assignee: Cheng Pan

> AuxService should not use class name as default system classes
> --------------------------------------------------------------
>
>                 Key: YARN-11053
>                 URL: https://issues.apache.org/jira/browse/YARN-11053
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: auxservices
>    Affects Versions: 3.3.1
>            Reporter: Cheng Pan
>            Assignee: Cheng Pan
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Following Apache Spark document to configure Spark Shuffle Service as YARN AuxService,
> [https://spark.apache.org/docs/3.2.0/running-on-yarn.html#running-multiple-versions-of-the-spark-shuffle-service]
>  
> {code:java}
>   <property>
>     <name>yarn.nodemanager.aux-services</name>
>     <value>spark_shuffle</value>
>   </property>
>   <property>
>     <name>yarn.nodemanager.aux-services.spark_shuffle.classpath</name>
>     <value>/opt/apache/spark/yarn/*</value>
>   </property>
>   <property>
>     <name>yarn.nodemanager.aux-services.spark_shuffle.class&amp;amp;lt;/name>
>     <value>org.apache.spark.network.yarn.YarnShuffleService</value>
>   </property> {code}
>  but failed with exception
> {code:java}
> 2021-12-02 15:34:00,886 INFO util.ApplicationClassLoader: classpath: [file:/opt/apache/spark/yarn/spark-3.2.0-yarn-shuffle.jar]
> 2021-12-02 15:34:00,886 INFO util.ApplicationClassLoader: system classes: [org.apache.spark.network.yarn.YarnShuffleService]
> 2021-12-02 15:34:00,887 INFO service.AbstractService: Service org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices failed in state INITED
> org.apache.hadoop.yarn.exceptions.YarnRuntimeException: java.lang.ClassNotFoundException: org.apache.spark.network.yarn.YarnShuffleService
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices.initAuxService(AuxServices.java:482)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices.serviceInit(AuxServices.java:761)
>         at org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
>         at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:109)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.serviceInit(ContainerManagerImpl.java:327)
>         at org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
>         at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:109)
>         at org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceInit(NodeManager.java:494)
>         at org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
>         at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:962)
>         at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:1042)
> Caused by: java.lang.ClassNotFoundException: org.apache.spark.network.yarn.YarnShuffleService
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:419)
>         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
>         at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:189)
>         at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:157)
>         at java.lang.Class.forName0(Native Method)
>         at java.lang.Class.forName(Class.java:348)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxiliaryServiceWithCustomClassLoader.getInstance(AuxiliaryServiceWithCustomClassLoader.java:165)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices.createAuxServiceFromLocalClasspath(AuxServices.java:242)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices.createAuxService(AuxServices.java:271)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices.initAuxService(AuxServices.java:452)
>         ... 10 more
> {code}
> An workaround is add
> {code:java}
> <property>
>     <name>yarn.nodemanager.aux-services.spark_shuffle.system-classes</name>
>     <value>not.existed.class</value>
>  </property>{code}
>  



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