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Posted to issues@hive.apache.org by "Lefty Leverenz (JIRA)" <ji...@apache.org> on 2016/07/05 07:29:11 UTC
[jira] [Commented] (HIVE-14037) java.lang.ClassNotFoundException
for the jar in hive.reloadable.aux.jars.path in mapreduce
[ https://issues.apache.org/jira/browse/HIVE-14037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15362148#comment-15362148 ]
Lefty Leverenz commented on HIVE-14037:
---------------------------------------
Doc note: This improves the description of *hive.reloadable.aux.jars.path* in HiveConf.java, so the wiki should be updated.
* [Configuration Properties -- hive.reloadable.aux.jars.path | https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.reloadable.aux.jars.path]
Added a TODOC2.2 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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