[HIVE-12522] Wrong FS error during Tez merge files when warehouse and scratchdir are on different FS

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.3.0, 2.0.0
• Component/s: Tez
• Assignee: Jason Dere
• Reporter: Jason Dere
• Created: 25/Nov/15 19:48
• Updated: 16/Feb/16 23:51
• Resolved: 01/Dec/15 09:00

Description

When hive.merge.tezfiles=true, and the warehouse dir/scratchdir are on different filesystems.

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://[e-mail]/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

When the scratchdir is set to the same FS as the warehouse the problem goes away.