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Posted to issues@spark.apache.org by "Marcelo Vanzin (JIRA)" <ji...@apache.org> on 2016/04/18 19:14:25 UTC
[jira] [Resolved] (SPARK-14423) Handle jar conflict issue when
uploading to distributed cache
[ https://issues.apache.org/jira/browse/SPARK-14423?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marcelo Vanzin resolved SPARK-14423.
------------------------------------
Resolution: Fixed
Assignee: Saisai Shao
Fix Version/s: 2.0.0
> Handle jar conflict issue when uploading to distributed cache
> -------------------------------------------------------------
>
> Key: SPARK-14423
> URL: https://issues.apache.org/jira/browse/SPARK-14423
> Project: Spark
> Issue Type: Bug
> Components: YARN
> Affects Versions: 2.0.0
> Reporter: Saisai Shao
> Assignee: Saisai Shao
> Fix For: 2.0.0
>
>
> Currently with the introduction of assembly-free deployment of Spark, by default yarn#client will upload all the jars in assembly to HDFS staging folder. If the jars in assembly and specified with \--jars have the same name, this will introduce exception while downloading these jars and make the application fail to run.
> Here is the exception when running example with {{run-example}}:
> {noformat}
> 16/04/06 10:29:48 INFO Client: Application report for application_1459907402325_0004 (state: FAILED)
> 16/04/06 10:29:48 INFO Client:
> client token: N/A
> diagnostics: Application application_1459907402325_0004 failed 2 times due to AM Container for appattempt_1459907402325_0004_000002 exited with exitCode: -1000
> For more detailed output, check application tracking page:http://hw12100.local:8088/proxy/application_1459907402325_0004/Then, click on links to logs of each attempt.
> Diagnostics: Resource hdfs://localhost:8020/user/sshao/.sparkStaging/application_1459907402325_0004/avro-mapred-1.7.7-hadoop2.jar changed on src filesystem (expected 1459909780508, was 1459909782590
> java.io.IOException: Resource hdfs://localhost:8020/user/sshao/.sparkStaging/application_1459907402325_0004/avro-mapred-1.7.7-hadoop2.jar changed on src filesystem (expected 1459909780508, was 1459909782590
> at org.apache.hadoop.yarn.util.FSDownload.copy(FSDownload.java:253)
> at org.apache.hadoop.yarn.util.FSDownload.access$000(FSDownload.java:61)
> at org.apache.hadoop.yarn.util.FSDownload$2.run(FSDownload.java:359)
> at org.apache.hadoop.yarn.util.FSDownload$2.run(FSDownload.java:357)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
> at org.apache.hadoop.yarn.util.FSDownload.call(FSDownload.java:356)
> at org.apache.hadoop.yarn.util.FSDownload.call(FSDownload.java:60)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> The problem is that this jar {{avro-mapred-1.7.7-hadoop2.jar}} both existed in assembly and example folder.
> We should handle this situation, since now spark example is failed to run under yarn mode.
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