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From "John Lewis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-6941) Support non-SUN JREs in UserGroupInformation
Date Wed, 25 Apr 2012 21:16:22 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13262100#comment-13262100
] 

John Lewis commented on HADOOP-6941:
------------------------------------

Has anyone been successful with this patch against IBM JRE v1.7?:

$ java -version
java version "1.7.0-ea"
Java(TM) SE Runtime Environment (build pxa6470-20110729_01)
IBM J9 VM (build 2.6, JRE 1.7.0 Linux amd64-64 20110728_87890 (JIT enabled, AOT enabled)
J9VM - Java726_GA
JIT  - r11_20110727_20326
GC   - Java726_GA
J9CL - 20110728_87890)
JCL - 20110727_01 based on Oracle 7b147
                
> 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
>             Fix For: 1.0.3, 2.0.0
>
>         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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