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From "Stephen Chu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-6205) FsShell setfacl can throw ArrayIndexOutOfBoundsException when no perm is specified
Date Tue, 08 Apr 2014 22:15:16 GMT
Stephen Chu created HDFS-6205:
---------------------------------

             Summary: FsShell setfacl can throw ArrayIndexOutOfBoundsException when no perm
is specified
                 Key: HDFS-6205
                 URL: https://issues.apache.org/jira/browse/HDFS-6205
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: hdfs-client
    Affects Versions: 3.0.0, 2.4.0
            Reporter: Stephen Chu
            Priority: Minor


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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