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https://issues.apache.org/jira/browse/HADOOP-18862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved HADOOP-18862.
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Fix Version/s: 3.4.2
Resolution: Not A Problem
no longer happens
> [JDK17] MiniYarnClusters don't launch in hadoop-aws integration tests
> ---------------------------------------------------------------------
>
> Key: HADOOP-18862
> URL: https://issues.apache.org/jira/browse/HADOOP-18862
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.4.0
> Reporter: Steve Loughran
> Priority: Major
> Fix For: 3.4.2
>
>
> I've tried running hadoop-aws tests under java17; everything which tries to
> launch a MiniYarnCluster fails because google guice is trying to stuff in
> java.land module that is now forbidden
> {code}
> Caused by: java.lang.ExceptionInInitializerError: Exception
> com.google.inject.internal.cglib.core.$CodeGenerationException:
> java.lang.reflect.InaccessibleObjectException-->Unable to make protected
> final java.lang.Class
> java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain)
> throws java.lang.ClassFormatError accessible: module java.base does not
> "opens java.lang" to unnamed module @7ee7980d [in thread "Thread-109"]
> {code}
> short term fix is to add the params to the surefire and failsafe jvm launcher
> to allow access
> {code}
> --add-opens java.base/java.lang=ALL-UNNAMED
> {code}
> I don't know if updating guice will make it go away completely. if it doesn't
> then the history server itself needs to be launched with this
> rather than just add an option for hadoop-aws, we ought to consider a general
> cross-module variable for junit.jvm.options which is set everywhere; the base
> impl is "" and a java profile could add the new stuff
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