hadoop-common-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Kihwal Lee (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-7831) ConcurrentModificationException in getCurrentUser()
Date Thu, 17 Nov 2011 18:11:51 GMT
ConcurrentModificationException in getCurrentUser()
---------------------------------------------------

                 Key: HADOOP-7831
                 URL: https://issues.apache.org/jira/browse/HADOOP-7831
             Project: Hadoop Common
          Issue Type: Bug
          Components: security
    Affects Versions: 0.20.205.0
            Reporter: Kihwal Lee


I've seen the following exception from a job tracker log. Security/kerberos enabled.

2011-11-17 01:54:00,288 WARN org.apache.hadoop.mapred.CleanupQueue: Error deleting path
hdfs://namenode:1234/xxxx/xxxx/xxxx/job_xxxxxxxxx_xxxx
java.util.ConcurrentModificationException
        at java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:761)
        at java.util.LinkedList$ListItr.next(LinkedList.java:696)
        at javax.security.auth.Subject$SecureSet$1.next(Subject.java:1014)
        at javax.security.auth.Subject$ClassSet$1.run(Subject.java:1345)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject$ClassSet.populateSet(Subject.java:1342)
        at javax.security.auth.Subject$ClassSet.<init>(Subject.java:1317)
        at javax.security.auth.Subject.getPrivateCredentials(Subject.java:731)
        at org.apache.hadoop.security.UserGroupInformation.<init>(UserGroupInformation.java:379)
        at org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:398)
        at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:1445)
        at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1346)
        at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:254)
        at org.apache.hadoop.fs.Path.getFileSystem(Path.java:187)
        at org.apache.hadoop.mapred.CleanupQueue$PathDeletionContext$1.run(CleanupQueue.java:78)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1064)
        at org.apache.hadoop.mapred.CleanupQueue$PathDeletionContext.deletePath(CleanupQueue.java:75)
        at org.apache.hadoop.mapred.CleanupQueue$PathCleanupThread.run(CleanupQueue.java:131)



--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

Mime
View raw message