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MapReduce, mail # user - TaskStatus Exception using HFileOutputFormat


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Re: TaskStatus Exception using HFileOutputFormat
Ted Yu 2013-02-06, 02:50
Using the below construct, do you still get exception ?

Please consider upgrading to hadoop 1.0.4

Thanks

On Tue, Feb 5, 2013 at 4:55 PM, Sean McNamara
<[EMAIL PROTECTED]>wrote:

>  > an you tell us the HBase and hadoop versions you were using ?
>
>  Ahh yes, sorry I left that out:
>
>  Hadoop: 1.0.3
> HBase: 0.92.0
>
>
>  > I guess you have used the above construct
>
>
>  Our code is as follows:
>  HTable table = new HTable(conf, configHBaseTable);
> FileOutputFormat.setOutputPath(job, outputDir);
> HFileOutputFormat.configureIncrementalLoad(job, table);
>
>
>  Thanks!
>
>   From: Ted Yu <[EMAIL PROTECTED]>
> Reply-To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
> Date: Tuesday, February 5, 2013 5:46 PM
> To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
> Subject: Re: TaskStatus Exception using HFileOutputFormat
>
>   Can you tell us the HBase and hadoop versions you were using ?
> From TestHFileOutputFormat:
>
>     HFileOutputFormat.configureIncrementalLoad(job, table);
>
>     FileOutputFormat.setOutputPath(job, outDir);
> I guess you have used the above construct ?
>
>  Cheers
>
> On Tue, Feb 5, 2013 at 4:31 PM, Sean McNamara <[EMAIL PROTECTED]
> > wrote:
>
>>
>>  We're trying to use HFileOutputFormat for bulk hbase loading.   When
>> using HFileOutputFormat's setOutputPath or configureIncrementalLoad, the
>> job is unable to run.  The error I see in the jobtracker logs is: Trying to
>> set finish time for task attempt_201301030046_123198_m_000002_0 when no
>> start time is set, stackTrace is : java.lang.Exception
>>
>>  If I remove an references to HFileOutputFormat, and
>> use FileOutputFormat.setOutputPath, things seem to run great.  Does anyone
>> know what could be causing the TaskStatus error when
>> using HFileOutputFormat?
>>
>>  Thanks,
>>
>>  Sean
>>
>>
>>  What I see on the Job Tracker:
>>
>>  2013-02-06 00:17:33,685 ERROR org.apache.hadoop.mapred.TaskStatus:
>> Trying to set finish time for task attempt_201301030046_123198_m_000002_0
>> when no start time is set, stackTrace is : java.lang.Exception
>>         at
>> org.apache.hadoop.mapred.TaskStatus.setFinishTime(TaskStatus.java:145)
>>         at
>> org.apache.hadoop.mapred.TaskInProgress.incompleteSubTask(TaskInProgress.java:670)
>>         at
>> org.apache.hadoop.mapred.JobInProgress.failedTask(JobInProgress.java:2945)
>>         at
>> org.apache.hadoop.mapred.JobInProgress.updateTaskStatus(JobInProgress.java:1162)
>>         at
>> org.apache.hadoop.mapred.JobTracker.updateTaskStatuses(JobTracker.java:4739)
>>         at
>> org.apache.hadoop.mapred.JobTracker.processHeartbeat(JobTracker.java:3683)
>>         at
>> org.apache.hadoop.mapred.JobTracker.heartbeat(JobTracker.java:3378)
>>         at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
>>         at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>         at java.lang.reflect.Method.invoke(Method.java:597)
>>         at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:563)
>>         at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1388)
>>         at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1384)
>>         at java.security.AccessController.doPrivileged(Native Method)
>>         at javax.security.auth.Subject.doAs(Subject.java:396)
>>         at
>> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
>>         at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1382)
>>
>>
>>  What I see from the console:
>>
>>  391  [main] INFO  org.apache.hadoop.hbase.mapreduce.HFileOutputFormat
>>  - Looking up current regions for table
>> org.apache.hadoop.hbase.client.HTable@3a083b1b
>> 1284 [main] INFO  org.apache.hadoop.hbase.mapreduce.HFileOutputFormat  -
>> Configuring 41 reduce partitions to match current region count
>> 1285 [main] INFO  org.apache.hadoop.hbase.mapreduce.HFileOutputFormat  -
>> Writing partition information to
>> file:/opt/webtrends/oozie/jobs/Lab/O/VisitorAnalytics.MapReduce/bin/partitions_1360109875112