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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10507) FsShell setfacl can throw ArrayIndexOutOfBoundsException when no perm is specified
Date Tue, 15 Apr 2014 19:52:17 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13969987#comment-13969987
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Chris Nauroth commented on HADOOP-10507:
----------------------------------------

I moved this issue from HDFS to HADOOP, because the bug fix is in hadoop-common code.

> FsShell setfacl can throw ArrayIndexOutOfBoundsException when no perm is specified
> ----------------------------------------------------------------------------------
>
>                 Key: HADOOP-10507
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10507
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 3.0.0, 2.4.0
>            Reporter: Stephen Chu
>            Assignee: sathish
>            Priority: Minor
>         Attachments: HDFS-6205.patch
>
>
> If users don't specify the perm of an acl when using the FsShell's setfacl command, a
fatal internal error ArrayIndexOutOfBoundsException will be thrown.
> {code}
> [root@hdfs-nfs ~]# hdfs dfs -setfacl -m user:bob: /user/hdfs/td1
> -setfacl: Fatal internal error
> java.lang.ArrayIndexOutOfBoundsException: 2
> 	at org.apache.hadoop.fs.permission.AclEntry.parseAclEntry(AclEntry.java:285)
> 	at org.apache.hadoop.fs.permission.AclEntry.parseAclSpec(AclEntry.java:221)
> 	at org.apache.hadoop.fs.shell.AclCommands$SetfaclCommand.processOptions(AclCommands.java:260)
> 	at org.apache.hadoop.fs.shell.Command.run(Command.java:154)
> 	at org.apache.hadoop.fs.FsShell.run(FsShell.java:255)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.hadoop.fs.FsShell.main(FsShell.java:308)
> [root@hdfs-nfs ~]# 
> {code}
> An improvement would be if it returned something like this:
> {code}
> [root@hdfs-nfs ~]# hdfs dfs -setfacl -m user:bob:rww /user/hdfs/td1
> -setfacl: Invalid permission in <aclSpec> : user:bob:rww
> Usage: hadoop fs [generic options] -setfacl [-R] [{-b|-k} {-m|-x <acl_spec>} <path>]|[--set
<acl_spec> <path>]
> [root@hdfs-nfs ~]# 
> {code}



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