[jira] [Created] (HIVE-6495) TableDesc.getDeserializer() should use correct classloader when calling Class.forName()

["Jason Dere (JIRA)" <ji...@apache.org>]

Jason Dere created HIVE-6495:
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             Summary: 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


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
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