Here is the file. It is almost empty.

<= /div>

<?xml version=3D"1.0"?>

<?xml-styles= heet type=3D"text/xsl" href=3D"configuration.xsl"?><= /div>

</configuration>

On Tue, Jul 30, 2013 at 8:33 AM, Kyle Or= lando <kyle.r.orlando@gmail.com> wrote:
Hmmm, could you post the contents of your mapred-site.xml in
$HADOOP_HOME/conf? =A0You may need to increase the number of map tasks.

On Tue, Jul 30, 2013 at 11:02 AM, Alex Waagen <awaagen@gmail.com> wrote:
> I am having some trouble getting these examples running. I=92m using g= iraph
> version 1.1.0 and hadoop 0.20.2. I am using the following json file as=
> input:
>
> [0,0,[[1,1],[3,3]]]
> [1,0,[[0,1],[2,2],[3,1]]]
> [2,0,[[1,2],[4,4]]]
> [3,0,[[0,3],[1,1],[4,4]]]
> [4,0,[[3,4],[2,4]]]
>
> The command I use is:
>
> hadoop jar
> /path-to-giraph/giraph-core/target/giraph-1.1.0-SNAPSHOT-for-hadoop-0.= 20.203.0-jar-with-dependencies.jar
> org.apache.giraph.GiraphRunner
> org.apache.giraph.examples.SimpleShortestPathsComputation -vif
> org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputForma= t -vip
> /path-to-input/input_file.json -of
> org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op
> /path-to-output/outShortest -w 1
>
>
> I see the following output.
>
> 13/07/29 14:36:06 INFO utils.ConfigurationUtils: No edge input format<= br> > specified. Ensure your InputFormat does not require one.
> 13/07/29 14:36:06 INFO job.GiraphJob: run: Since checkpointing is disa= bled
> (default), do not allow any task retries (setting mapred.map.max.attem= pts =3D
> 0, old value =3D 4)
> 13/07/29 14:36:20 INFO mapred.JobClient: Running job: job_201307232135= _0588
> 13/07/29 14:36:21 INFO mapred.JobClient: map 0% reduce 0%
> 13/07/29 14:36:52 INFO mapred.JobClient: map 50% reduce 0%
> 13/07/29 14:47:24 INFO mapred.JobClient: map 0% reduce 0%
> 13/07/29 14:47:39 INFO mapred.JobClient: Job complete: job_20130723213= 5_0588
> 13/07/29 14:47:39 INFO mapred.JobClient: Counters: 6
> 13/07/29 14:47:39 INFO mapred.JobClient: Job Counters
> 13/07/29 14:47:39 INFO mapred.JobClient: SLOTS_MILLIS_MAPS=3D670508 > 13/07/29 14:47:39 INFO mapred.JobClient: Total time spent by all reduc= es
> waiting after reserving slots (ms)=3D0
> 13/07/29 14:47:39 INFO mapred.JobClient: Total time spent by all maps<= br> > waiting after reserving slots (ms)=3D0
> 13/07/29 14:47:39 INFO mapred.JobClient: Launched map tasks=3D2
> 13/07/29 14:47:39 INFO mapred.JobClient: SLOTS_MILLIS_REDUCES=3D0
> 13/07/29 14:47:39 INFO mapred.JobClient: Failed map tasks=3D1
>
>
> When I check the job tracker, I see that two map jobs were killed, wit= h the
> following errors:
>
> java.lang.Throwable: Child Error
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:242)
> Caused by: java.io.IOException: Task process exit with nonzero status = of 1.
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:229)
>
> java.lang.IllegalStateException: run: Caught an unrecoverable exceptio= n
> exists: Failed to check
> /_hadoopBsp/job_201307232135_0588/_applicationAttemptsDir/0/_superstep= Dir/-1/_addressesAndPartitions
> after 3 tries!
> at org.apache.giraph.graph.GraphMapper.run(GraphMapper.java:101)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:647)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:323)
> at org.apache.hadoop.mapred.Child$4.run(Child.java:270)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformat= ion.java:1157)
> at org.apache.hadoop.mapred.Child.main(Child.java:264)
> Caused by: java.lang.IllegalStateException: exists: Failed to check > /_hadoopBsp/job_201307232135_0588/_applicationAttemptsDir/0/_superstep= Dir/-1/_addressesAndPartitions
> after 3 tries!
> at org.apache.giraph.zk.ZooKeeperExt.exists(ZooKeeperExt.java:369)
> at org.apache.giraph.worker.BspServiceWorker.s
> Task attempt_201307232135_0588_m_000001_0 failed to report status for = 600
> seconds. Killing!
>
> Any idea what the problem is?
> Thanks in advance.

--
Kyle Orlando
Computer Engineering Major
University of Maryland

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