[
https://issues.apache.org/jira/browse/HADOOP-11048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14149882#comment-14149882
]
Hudson commented on HADOOP-11048:
---------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #6125 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/6125/])
HADOOP-11048. user/custom LogManager fails to load if the client classloader is
enabled. Contributed by Sangjin Lee (jlowe: rev
f154ebe8c44e41edc443198a14e0491604cc613f)
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/RunJar.java
* hadoop-common-project/hadoop-common/CHANGES.txt
> user/custom LogManager fails to load if the client classloader is enabled
> -------------------------------------------------------------------------
>
> Key: HADOOP-11048
> URL: https://issues.apache.org/jira/browse/HADOOP-11048
> Project: Hadoop Common
> Issue Type: Bug
> Components: util
> Affects Versions: 2.6.0
> Reporter: Sangjin Lee
> Assignee: Sangjin Lee
> Priority: Minor
> Attachments: HADOOP-11048.patch, HADOOP-11048.patch
>
>
> If the client classloader is enabled (HADOOP-10893) and you happen to use a
> user-provided log manager via -Djava.util.logging.manager, it fails to load
> the custom log manager:
> {noformat}
> Could not load Logmanager "org.foo.LogManager"
> java.lang.ClassNotFoundException: org.foo.LogManager
> at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
> at java.util.logging.LogManager$1.run(LogManager.java:191)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.util.logging.LogManager.<clinit>(LogManager.java:181)
> at java.util.logging.Logger.demandLogger(Logger.java:339)
> at java.util.logging.Logger.getLogger(Logger.java:393)
> at
> com.google.common.collect.MapMakerInternalMap.<clinit>(MapMakerInternalMap.java:136)
> at com.google.common.collect.MapMaker.makeCustomMap(MapMaker.java:602)
> at
> com.google.common.collect.Interners$CustomInterner.<init>(Interners.java:59)
> at com.google.common.collect.Interners.newWeakInterner(Interners.java:103)
> at org.apache.hadoop.util.StringInterner.<clinit>(StringInterner.java:49)
> at
> org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:2293)
> at
> org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:2185)
> at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:2102)
> at org.apache.hadoop.conf.Configuration.get(Configuration.java:851)
> at org.apache.hadoop.util.RunJar.run(RunJar.java:179)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> {noformat}
> This is caused because Configuration.loadResources() is invoked before the
> client classloader is created and made available.
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