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From "Jason Dere (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-6495) TableDesc.getDeserializer() should use correct classloader when calling Class.forName()
Date Thu, 06 Mar 2014 23:46:44 GMT

     [ https://issues.apache.org/jira/browse/HIVE-6495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Dere updated HIVE-6495:
-----------------------------

    Status: Open  (was: Patch Available)

> TableDesc.getDeserializer() should use correct classloader when calling Class.forName()
> ---------------------------------------------------------------------------------------
>
>                 Key: HIVE-6495
>                 URL: https://issues.apache.org/jira/browse/HIVE-6495
>             Project: Hive
>          Issue Type: Bug
>          Components: Serializers/Deserializers
>            Reporter: Jason Dere
>            Assignee: Jason Dere
>         Attachments: HIVE-6495.1.patch
>
>
> User is getting an error with the following stack trace below.  It looks like when Class.forName()
is called, it may not be using the correct class loader (JavaUtils.getClassLoader() is used
in other contexts when the loaded jar may be required).
> {noformat}
> FAILED: RuntimeException org.apache.hadoop.hive.ql.metadata.HiveException: Failed with
exception java.lang.ClassNotFoundException: my.serde.ColonSerdejava.lang.RuntimeException:
java.lang.ClassNotFoundException: my.serde.ColonSerde
>     at org.apache.hadoop.hive.ql.plan.TableDesc.getDeserializerClass(TableDesc.java:68)
>     at org.apache.hadoop.hive.ql.exec.FetchOperator.getRowInspectorFromTable(FetchOperator.java:231)
>     at org.apache.hadoop.hive.ql.exec.FetchOperator.getOutputObjectInspector(FetchOperator.java:608)
>     at org.apache.hadoop.hive.ql.exec.FetchTask.initialize(FetchTask.java:80)
>     at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:497)
>     at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:352)
>     at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:995)
>     at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1038)
>     at org.apache.hadoop.hive.ql.Driver.run(Driver.java:931)
>     at org.apache.hadoop.hive.ql.Driver.run(Driver.java:921)
>     at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:268)
>     at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:220)
>     at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:422)
>     at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:790)
>     at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:684)
>     at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:623)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke(Method.java:606)
>     at org.apache.hadoop.util.RunJar.main(RunJar.java:212)
> Caused by: java.lang.ClassNotFoundException: my.serde.ColonSerde
>     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:190)
>     at org.apache.hadoop.hive.ql.plan.TableDesc.getDeserializerClass(TableDesc.java:66)
>     ... 20 more
> {noformat}



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