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László Bodor updated TEZ-3860: ------------------------------ Attachment: (was: TEZ-3860.03.patch) > 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 > Attachments: TEZ-3860.01.patch, TEZ-3860.02.patch, TEZ-3860.03.patch > > 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} -- This message was sent by Atlassian Jira (v8.3.4#803005)