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https://issues.apache.org/jira/browse/HADOOP-6941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13231126#comment-13231126
 ] 

Hudson commented on HADOOP-6941:
--------------------------------

Integrated in Hadoop-Hdfs-trunk #986 (See 
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/986/])
    HADOOP-6941. Forgot to add a License header (Revision 1301312)
HADOOP-6941. Adds support for building Hadoop with IBM's JDK. Contributed by 
Stephen Watt, Eli Collins and Devaraj Das. (Revision 1301308)

     Result = SUCCESS
ddas : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1301312
Files : 
* 
/hadoop/common/trunk/hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/util/KerberosUtil.java

ddas : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1301308
Files : 
* 
/hadoop/common/trunk/hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/client/KerberosAuthenticator.java
* 
/hadoop/common/trunk/hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/server/KerberosAuthenticationHandler.java
* 
/hadoop/common/trunk/hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/util/KerberosName.java
* 
/hadoop/common/trunk/hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/util/KerberosUtil.java
* 
/hadoop/common/trunk/hadoop-common-project/hadoop-auth/src/test/java/org/apache/hadoop/security/authentication/KerberosTestUtils.java
* 
/hadoop/common/trunk/hadoop-common-project/hadoop-auth/src/test/java/org/apache/hadoop/security/authentication/server/TestKerberosAuthenticationHandler.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* 
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/HadoopKerberosName.java
* 
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SecurityUtil.java
* 
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java

                
> 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, 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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