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https://issues.apache.org/jira/browse/HADOOP-18051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Cheng Pan resolved HADOOP-18051.
--------------------------------
Resolution: Duplicate
Reported in wrong space, moved to YARN-11052
> AuxService should not use class name as default system classes
> --------------------------------------------------------------
>
> Key: HADOOP-18051
> URL: https://issues.apache.org/jira/browse/HADOOP-18051
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.3.1
> Reporter: Cheng Pan
> Priority: Major
>
> Following Apache Spark 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</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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