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Posted to dev@hive.apache.org by "Ashish Thusoo (JIRA)" <ji...@apache.org> on 2008/12/01 18:19:44 UTC
[jira] Updated: (HIVE-23) Hive should fail to start if it cannot
get an instance of the filesystem
[ https://issues.apache.org/jira/browse/HIVE-23?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ashish Thusoo updated HIVE-23:
------------------------------
Component/s: Clients
> Hive should fail to start if it cannot get an instance of the filesystem
> ------------------------------------------------------------------------
>
> Key: HIVE-23
> URL: https://issues.apache.org/jira/browse/HIVE-23
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Clients
> Reporter: Jeff Hammerbacher
>
> Hey,
> If I try to start Hive without my HDFS instance running, and Hive isn't able to start it up on its own, it should fail. Instead, I get a working Hive shell, but any query returns
> FAILED: Unknown exception : null
> FAILED: Unknown exception : null
> If I check "/tmp/{user.name}/hive.log", the error shows that the fs object was never assigned correctly, resulting in an NPE when it is referenced:
> 2008-10-29 17:01:08,659 ERROR ql.Driver (SessionState.java:printError(242)) - FAILED: Unknown exception : null
> java.lang.NullPointerException
> at org.apache.hadoop.hive.ql.Context.removeScratchDir(Context.java:72)
> at org.apache.hadoop.hive.ql.Driver.close(Driver.java:287)
> at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:131)
> at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:147)
> at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:244)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:165)
> at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
> at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68)
> Either the error message needs to be more informative or Hive should fail if it can't find the persistent store it needs. I can imagine wanting to run the Hive shell against the metastore only, so perhaps straight failure without the fs isn't the best option. Up to the Hive team.
> Regards,
> Jeff
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