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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7851) Include the guava classes as a dependency for jobs using mapreduce.TableMapReduceUtil
Date Fri, 15 Feb 2013 17:49:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13579355#comment-13579355

stack commented on HBASE-7851:

Did we figure what needs guava?  We try to minimize dependencies required by mr and in the
past we worked to remove guava as a dependency after it was introduced as a dependency for
what turned out to be a non-critical need.  Perhaps we did not eliminate it everywhere or
it snuck back in?
> 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

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