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https://issues.apache.org/jira/browse/HADOOP-6941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13233107#comment-13233107
]
Luke Lu commented on HADOOP-6941:
---------------------------------
Please post unit test/test-patch results for the branch-1 patch. AFAICT, there
will be increased unit test failures in IBM JDK (in fact, there will be
increased unit test failures especially for MR in trunk for IBM JDK due to
"bugs" in the current code base.) Even if decide not to address the unit tests
failures now, we should file a jira to track them (I don't have the bandwidth
to do that now.)
Also, it looks like that the trunk test-patch script is buggy, as it didn't
catch the license header issue in the trunk patch.
> Support non-SUN JREs in UserGroupInformation
> --------------------------------------------
>
> Key: HADOOP-6941
> URL: https://issues.apache.org/jira/browse/HADOOP-6941
> Project: Hadoop Common
> Issue Type: Bug
> Environment: SLES 11, Apache Harmony 6 and SLES 11, IBM Java 6
> Reporter: Stephen Watt
> Assignee: Luke Lu
> Attachments: 6941-1.patch, 6941-branch1.patch, HADOOP-6941.patch,
> hadoop-6941.patch
>
>
> Attempting to format the namenode or attempting to start Hadoop using Apache
> Harmony or the IBM Java JREs results in the following exception:
> 10/09/07 16:35:05 ERROR namenode.NameNode: java.lang.NoClassDefFoundError:
> com.sun.security.auth.UnixPrincipal
> at
> org.apache.hadoop.security.UserGroupInformation.<clinit>(UserGroupInformation.java:223)
> at java.lang.J9VMInternals.initializeImpl(Native Method)
> at java.lang.J9VMInternals.initialize(J9VMInternals.java:200)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setConfigurationParameters(FSNamesystem.java:420)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:391)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:1240)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1348)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1368)
> Caused by: java.lang.ClassNotFoundException:
> com.sun.security.auth.UnixPrincipal
> at java.net.URLClassLoader.findClass(URLClassLoader.java:421)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:652)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:346)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:618)
> ... 8 more
> This is a negative regression as previous versions of Hadoop worked with
> these JREs
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