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Date: Tue, 9 Jun 2009 23:37:08 -0700 (PDT)
From: "Zheng Shao (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Subject: [jira] Reopened: (HIVE-547) NullPointerException in ExecDriver
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     [ https://issues.apache.org/jira/browse/HIVE-547?page=3Dcom.atlassian.=
jira.plugin.system.issuetabpanels:all-tabpanel ]

Zheng Shao reopened HIVE-547:
-----------------------------


The current behavior is showing one log line per second. This may not be go=
od in case the job runs a long time.

> NullPointerException in ExecDriver
> ----------------------------------
>
>                 Key: HIVE-547
>                 URL: https://issues.apache.org/jira/browse/HIVE-547
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.4.0
>            Reporter: Zheng Shao
>            Assignee: Zheng Shao
>             Fix For: 0.4.0
>
>         Attachments: HIVE-547.1.patch, HIVE-547.2.patch
>
>
> We saw a job failed with the following message in hive.log.
> {noformat}
> 2009-06-06 22:50:55,275 ERROR exec.ExecDriver (SessionState.java:printErr=
or(279)) - Ended Job =3D job_200905211352_145363 with exception 'java.lang.=
NullPointerException(null)'
> java.lang.NullPointerException
>         at org.apache.hadoop.hive.ql.exec.ExecDriver.jobProgress(ExecDriv=
er.java:193)
>         at org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.j=
ava:395)
>         at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:307)
>         at org.apache.hadoop.hive.ql.Driver.run(Driver.java:213)
>         at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java=
:176)
>         at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.jav=
a:216)
>         at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:273)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccess=
orImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMeth=
odAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.hadoop.util.RunJar.main(RunJar.java:166)
>         at org.apache.hadoop.mapred.JobShell.run(JobShell.java:194)
>         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:220)
> {noformat}
> The corresponding code is:
> {code:java}
>   public RunningJob jobProgress(JobClient jc, RunningJob rj) throws IOExc=
eption {
>     String lastReport =3D "";
>     while (!rj.isComplete()) {
>       try {
>         Thread.sleep(1000);
>       } catch (InterruptedException e) {
>       }
>       rj =3D jc.getJob(rj.getJobID());
>       String report =3D null;
> 193=EF=BC=9A  report =3D " map =3D " + Math.round(rj.mapProgress() * 100)=
 + "%,  reduce =3D"
>           + Math.round(rj.reduceProgress() * 100) + "%";
> {code}

--=20
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