[ https://issues.apache.org/jira/browse/HDFS-6205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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sathish updated HDFS-6205:
--------------------------
Attachment: HDFS-6205.patch
Attaching a patch with small fix.Please review it
> 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
> 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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