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Date: Fri, 16 Sep 2016 18:46:20 +0000 (UTC)
From: "Aihua Xu (JIRA)" <jira@apache.org>
To: issues@hive.apache.org
Message-ID: <JIRA.12979923.1466102257000.591927.1474051580574@Atlassian.JIRA>
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Subject: [jira] [Commented] (HIVE-14037) java.lang.ClassNotFoundException
 for the jar in hive.reloadable.aux.jars.path in mapreduce
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archived-at: Fri, 16 Sep 2016 18:46:22 -0000


    [ https://issues.apache.org/jira/browse/HIVE-14037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15497071#comment-15497071 ] 

Aihua Xu commented on HIVE-14037:
---------------------------------

[~leftylev] Actually no doc update for this jira since it's a bug and this jira just fixes what it supposes to work. Can you/I remove the label?

> java.lang.ClassNotFoundException for the jar in hive.reloadable.aux.jars.path in mapreduce 
> -------------------------------------------------------------------------------------------
>
>                 Key: HIVE-14037
>                 URL: https://issues.apache.org/jira/browse/HIVE-14037
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Aihua Xu
>            Assignee: Aihua Xu
>              Labels: TODOC2.2
>             Fix For: 2.2.0
>
>         Attachments: HIVE-14037.1.patch, HIVE-14037.2.patch, HIVE-14037.3.patch, HIVE-14037.4.patch, HIVE-14037.5.patch
>
>
> The jars in hive.reloadable.aux.jars.path seem to be available in HS2 process while they are not available in the Mapper or Reducer nodes which will throw the following exception.
> {noformat}
> org.apache.hadoop.hive.ql.exec.ExprNodeGenericFuncEvaluator.isDeterministic(ExprNodeGenericFuncEvaluator.java:152)
> 	at org.apache.hadoop.hive.ql.exec.ExprNodeEvaluatorFactory.iterate(ExprNodeEvaluatorFactory.java:97)
> 	at org.apache.hadoop.hive.ql.exec.ExprNodeEvaluatorFactory.toCachedEvals(ExprNodeEvaluatorFactory.java:71)
> 	at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:59)
> 	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:385)
> 	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:469)
> 	at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:425)
> 	at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193)
> 	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:385)
> 	at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:431)
> 	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:385)
> 	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:126)
> 	... 22 more
> Caused by: java.lang.ClassNotFoundException: test.UDF
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
> 	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
> 	at java.lang.Class.forName0(Native Method)
> 	at java.lang.Class.forName(Class.java:270)
> 	at org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge.getUdfClass(GenericUDFBridge.java:132)
> 	... 36 more
> {noformat}


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