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https://issues.apache.org/jira/browse/HIVE-12522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15027497#comment-15027497
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Prasanth Jayachandran commented on HIVE-12522:
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LGTM, +1. Pending tests
> Wrong FS error during Tez merge files when warehouse and scratchdir are on
> different FS
> ---------------------------------------------------------------------------------------
>
> Key: HIVE-12522
> URL: https://issues.apache.org/jira/browse/HIVE-12522
> Project: Hive
> Issue Type: Bug
> Components: Tez
> Reporter: Jason Dere
> Assignee: Jason Dere
> Attachments: HIVE-12522.1.patch
>
>
> When hive.merge.tezfiles=true, and the warehouse dir/scratchdir are on
> different filesystems.
> {noformat}
> 2015-11-13 10:22:10,617 ERROR exec.Task (TezTask.java:execute(184)) - Failed
> to execute tez graph.
> java.lang.IllegalArgumentException: Wrong FS:
> wasb://chaoyitezt...@chaoyiteztest.blob.core.windows.net/hive/scratch/chaoyitest/c888f405-3c98-46b1-bf39-e57f067dfe4c/hive_2015-11-13_10-16-10_216_8161037519951665173-1/_tmp.-ext-10000,
> expected: hdfs://headnodehost:9000
> at org.apache.hadoop.fs.FileSystem.checkPath(FileSystem.java:645)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.getPathName(DistributedFileSystem.java:193)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.access$000(DistributedFileSystem.java:105)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$19.doCall(DistributedFileSystem.java:1136)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$19.doCall(DistributedFileSystem.java:1132)
> at
> org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1132)
> at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1423)
> at org.apache.hadoop.hive.ql.exec.tez.DagUtils.createVertex(DagUtils.java:579)
> at
> org.apache.hadoop.hive.ql.exec.tez.DagUtils.createVertex(DagUtils.java:1083)
> at org.apache.hadoop.hive.ql.exec.tez.TezTask.build(TezTask.java:329)
> at org.apache.hadoop.hive.ql.exec.tez.TezTask.execute(TezTask.java:156)
> at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:160)
> at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:85)
> at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1606)
> at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1367)
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1179)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1006)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:996)
> at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:247)
> at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:199)
> at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:410)
> at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:345)
> at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:733)
> at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:677)
> at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:616)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> 2015-11-13 10:22:10,620 INFO hooks.ATSHook (ATSHook.java:<init>(84)) -
> Created ATS Hook
> {noformat}
> When the scratchdir is set to the same FS as the warehouse the problem goes
> away.
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