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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7851) Include the guava classes as a dependency for jobs using mapreduce.TableMapReduceUtil
Date Sat, 16 Feb 2013 00:53:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13579647#comment-13579647
] 

Lars Hofhansl commented on HBASE-7851:
--------------------------------------

Hmm... It's easy enough to express the change in HBASE-5735 without using Guava.
So in this specific case removing that seems to be better approach.

Or we just do further changes in trunk and leave this be as is in 0.94.
                
> Include the guava classes as a dependency for jobs using mapreduce.TableMapReduceUtil
> -------------------------------------------------------------------------------------
>
>                 Key: HBASE-7851
>                 URL: https://issues.apache.org/jira/browse/HBASE-7851
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.94.4
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>             Fix For: 0.94.6
>
>         Attachments: 7851-1.patch
>
>
> The guava classes go as a dependency for jobs using TableMapReduceUtil from the  org.apache.hadoop.hbase.mapred
package but the same doesn't happen for jobs using the same class from org.apache.hadoop.hbase.mapreduce
package. Due to this, tasks of the mapreduce jobs that wants to communicate with a secure
cluster fails. The stack trace of the failing tasks:
> {quote}
> Error: java.lang.ClassNotFoundException: com.google.common.collect.ImmutableSet
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> 	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
> 	at org.apache.hadoop.hbase.ipc.SecureServer.<clinit>(SecureServer.java:96)
> {quote}
> We just need to add the dependency on the guava classes in the mapreduce.TableMapReduceUtil
class.

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