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From "David Morel (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SQOOP-1226) --password-file option triggers FileSystemClosed exception at end of Oozie action
Date Tue, 05 Nov 2013 14:19:17 GMT
David Morel created SQOOP-1226:
----------------------------------

             Summary: --password-file option triggers FileSystemClosed exception at end of
Oozie action
                 Key: SQOOP-1226
                 URL: https://issues.apache.org/jira/browse/SQOOP-1226
             Project: Sqoop
          Issue Type: Bug
    Affects Versions: 1.4.3
         Environment: Centos 6.2 + jdk-1.6.0_31-fcs.x86_64
            Reporter: David Morel


When using the --password-file option, a Sqoop action running inside an Oozie workflow will
ERROR out at the very end, like so:

{noformat}
2013-10-31 13:38:45,095 INFO org.apache.sqoop.hive.HiveImport: Hive import complete.
2013-10-31 13:38:45,098 INFO org.apache.sqoop.hive.HiveImport: Export directory is empty,
removing it.
2013-10-31 13:38:45,213 INFO org.apache.hadoop.mapred.TaskLogsTruncater: Initializing logs'
truncater with mapRetainSize=-1 and reduceRetainSize=-1
2013-10-31 13:38:45,217 ERROR org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException
as:mapred (auth:SIMPLE) cause:java.io.IOException: Filesystem closed
2013-10-31 13:38:45,218 WARN org.apache.hadoop.mapred.Child: Error running child
java.io.IOException: Filesystem closed
	at org.apache.hadoop.hdfs.DFSClient.checkOpen(DFSClient.java:565)
	at org.apache.hadoop.hdfs.DFSInputStream.close(DFSInputStream.java:589)
	at java.io.FilterInputStream.close(FilterInputStream.java:155)
	at org.apache.hadoop.util.LineReader.close(LineReader.java:149)
	at org.apache.hadoop.mapred.LineRecordReader.close(LineRecordReader.java:243)
	at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.close(MapTask.java:222)
	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:421)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:332)
	at org.apache.hadoop.mapred.Child$4.run(Child.java:268)
	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:1408)
	at org.apache.hadoop.mapred.Child.main(Child.java:262)
2013-10-31 13:38:45,234 INFO org.apache.hadoop.mapred.Task: Runnning cleanup for the task
{noformat}

With the --password option, the job completes with no error. I believe the --password-file
option handling closes the FS which happens to be shared with the Oozie launcher, which can't
write to it anymore on completion. The solution I found was adding:
{noformat}
  <property>
    <name>fs.hdfs.impl.disable.cache</name>
    <value>true</value>
  </property>
{noformat}
in the sqoop action definition in the oozie workflow, and that works, but isn't really handy.
Details are at https://groups.google.com/a/cloudera.org/d/msg/cdh-user/pdsxiy5C_IY/OD8wR0rhHgMJ



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