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https://issues.apache.org/jira/browse/TEZ-3860?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ashutosh Chauhan reassigned TEZ-3860:
-------------------------------------
Assignee: László Bodor
> JDK9: ReflectionUtils may not use URLClassLoader
> ------------------------------------------------
>
> Key: TEZ-3860
> URL: https://issues.apache.org/jira/browse/TEZ-3860
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Zoltan Haindrich
> Assignee: László Bodor
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The following code
> https://github.com/apache/tez/blob/master/tez-api/src/main/java/org/apache/tez/common/ReflectionUtils.java#L125
> is not compatible with JDK9 since the classloader is an AppClassLoader
> causes exceptions like this:
> {code}
> java.lang.ClassCastException:
> java.base/jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to
> java.base/java.net.URLClassLoader
> at
> org.apache.tez.common.ReflectionUtils.addResourcesToSystemClassLoader(ReflectionUtils.java:125)
> ~[tez-api-0.9.0.jar:0.9.0]
> at
> org.apache.tez.dag.utils.RelocalizationUtils.addUrlsToClassPath(RelocalizationUtils.java:57)
> ~[tez-common-0.9.0.jar:0.9.0]
> at
> org.apache.tez.dag.app.dag.impl.DAGImpl$StartTransition.transition(DAGImpl.java:1793)
> ~[tez-dag-0.9.0.jar:0.9.0]
> at
> org.apache.tez.dag.app.dag.impl.DAGImpl$StartTransition.transition(DAGImpl.java:1776)
> ~[tez-dag-0.9.0.jar:0.9.0]
> at
> org.apache.hadoop.yarn.state.StateMachineFactory$SingleInternalArc.doTransition(StateMachineFactory.java:362)
> ~[hadoop-yarn-common-2.8.1.jar:?]
> at
> org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302)
> ~[hadoop-yarn-common-2.8.1.jar:?]
> at
> org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
> ~[hadoop-yarn-common-2.8.1.jar:?]
> at
> org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
> ~[hadoop-yarn-common-2.8.1.jar:?]
> at
> org.apache.tez.state.StateMachineTez.doTransition(StateMachineTez.java:59)
> ~[tez-dag-0.9.0.jar:0.9.0]
> at org.apache.tez.dag.app.dag.impl.DAGImpl.handle(DAGImpl.java:1156)
> [tez-dag-0.9.0.jar:0.9.0]
> at org.apache.tez.dag.app.dag.impl.DAGImpl.handle(DAGImpl.java:147)
> [tez-dag-0.9.0.jar:0.9.0]
> at
> org.apache.tez.dag.app.DAGAppMaster$DagEventDispatcher.handle(DAGAppMaster.java:2251)
> [tez-dag-0.9.0.jar:0.9.0]
> at
> org.apache.tez.dag.app.DAGAppMaster$DagEventDispatcher.handle(DAGAppMaster.java:2242)
> [tez-dag-0.9.0.jar:0.9.0]
> at
> org.apache.tez.common.AsyncDispatcher.dispatch(AsyncDispatcher.java:180)
> [tez-common-0.9.0.jar:0.9.0]
> at
> org.apache.tez.common.AsyncDispatcher$1.run(AsyncDispatcher.java:115)
> [tez-common-0.9.0.jar:0.9.0]
> at java.base/java.lang.Thread.run(Thread.java:844) [?:?]
> {code}
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