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From "Ramya Sunil (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3254) Streaming jobs failing with PipeMapRunner ClassNotFoundException
Date Mon, 24 Oct 2011 22:06:32 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13134556#comment-13134556
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Ramya Sunil commented on MAPREDUCE-3254:
----------------------------------------

{noformat}
Error: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.ClassNotFoundException:
org.apache.hadoop.streaming.PipeMapRunner
        at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1211)
        at org.apache.hadoop.mapred.JobConf.getMapRunnerClass(JobConf.java:1011)
        at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:388)
        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:327)
        at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:147)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1152)
        at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:142)
Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: org.apache.hadoop.streaming.PipeMapRunner
        at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1179)
        at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1203)
        ... 8 more
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.streaming.PipeMapRunner
        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:247)
        at org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:1125)
        at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1177)
        ... 9 more
{noformat}
                
> Streaming jobs failing with PipeMapRunner ClassNotFoundException
> ----------------------------------------------------------------
>
>                 Key: MAPREDUCE-3254
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3254
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/streaming, mrv2
>    Affects Versions: 0.23.0
>            Reporter: Ramya Sunil
>
> ClassNotFoundException: org.apache.hadoop.streaming.PipeMapRunner encountered while running
streaming jobs. Stack trace in the next comment.

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