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Posted to common-dev@hadoop.apache.org by "Koji Noguchi (JIRA)" <ji...@apache.org> on 2008/03/27 19:27:24 UTC
[jira] Created: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
NPE in FSDirectory.unprotectedSetPermission
-------------------------------------------
Key: HADOOP-3108
URL: https://issues.apache.org/jira/browse/HADOOP-3108
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Affects Versions: 0.16.1
Reporter: Koji Noguchi
Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
Permission is disabled on this cluster.
{noformat}
2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 76.13.26.233:49707:
error: java.io.IOException: java.lang.NullPointerException
java.io.IOException: java.lang.NullPointerException
at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
{noformat}
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[jira] Updated: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Robert Chansler (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robert Chansler updated HADOOP-3108:
------------------------------------
Fix Version/s: 0.16.2
Priority: Blocker (was: Major)
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Tsz Wo (Nicholas), SZE
> Priority: Blocker
> Fix For: 0.16.2
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Updated: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Konstantin Shvachko (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Konstantin Shvachko updated HADOOP-3108:
----------------------------------------
Status: Patch Available (was: Open)
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
> Attachments: 3108_20080327.patch, getNodeNPE.patch
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Commented: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Raghu Angadi (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583104#action_12583104 ]
Raghu Angadi commented on HADOOP-3108:
--------------------------------------
For this patch, I would say it is safer to use unwrapRemoteException only the test and leave DFSClient.java unchanged. The new jira might unwrap the exception in RPC client it self.
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
> Attachments: 3108_20080327.patch, getNodeNPE.patch
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Commented: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Raghu Angadi (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583109#action_12583109 ]
Raghu Angadi commented on HADOOP-3108:
--------------------------------------
I think this patch is meant for 16, its better if only fixes the NPE. Changing a few IOExceptions to FileNotFound might be ok. But any other semantic changes. For example with the patch, deleting a file can throw IOException, where i think it should return false.
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
> Attachments: 3108_20080327.patch, getNodeNPE.patch
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Updated: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Konstantin Shvachko (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Konstantin Shvachko updated HADOOP-3108:
----------------------------------------
Attachment: 3108-0.16.2.patch
This is a patch for 0.16.2
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
> Attachments: 3108-0.16.2.patch, 3108_20080327.patch, getNodeNPE.patch
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Issue Comment Edited: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Raghu Angadi (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583109#action_12583109 ]
rangadi edited comment on HADOOP-3108 at 3/28/08 10:56 AM:
----------------------------------------------------------------
Since this patch is meant for 16, I think its better if it only fixes the NPEs. Changing some of the IOExceptions to FileNotFound might be ok. But any other semantic changes probably belong in 17 or trunk. For example with the patch, deleting a file can throw IOException, where i think it should return false.
was (Author: rangadi):
I think this patch is meant for 16, its better if only fixes the NPE. Changing a few IOExceptions to FileNotFound might be ok. But any other semantic changes. For example with the patch, deleting a file can throw IOException, where i think it should return false.
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
> Attachments: 3108_20080327.patch, getNodeNPE.patch
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Commented: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Hudson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583310#action_12583310 ]
Hudson commented on HADOOP-3108:
--------------------------------
Integrated in Hadoop-trunk #445 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/445/])
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
> Attachments: 3108-0.16.2.patch, 3108-0.16.2.patch, 3108-0.16.2.patch, 3108_20080327.patch, getNodeNPE.patch
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Updated: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Konstantin Shvachko (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Konstantin Shvachko updated HADOOP-3108:
----------------------------------------
Attachment: getNodeNPE.patch
I extended Nicholas's patch.
Found one more potential NPE related to getNode() method in FSDirectory.
TestPermissions failed in its original version because it was catching
FileNotFoundException but was receiving a RemoteException instead.
I wrote a unwrapRemoteException() method, which throws the cause of the
RemoteException if it is of the right type. I recommend using it instead
of analyzing the exception message.
I should say in general that handling of RemoteExceptions e.g. in connection
with FileNotFoundException is terrible. I will file a separate jira.
The test was not closing file system correctly, I fixed that.
And also a couple of findBugs warnings related to ignoring return values of called methods.
I used the same unwrapping for canMkdirs(), canCreate() and canOpen() methods:
this test is based on FileSystem API, which should not know anything about
RemoteException, because e.g. LocalFileSystem does not throw this, ever.
These changes affected TestDFSPermission, which in turn led to changes in
DFSClient methods responsible, which report permission violations.
With all the changes TestPermissions now correctly tests the case of changing
permissions and owner of missing files Nicholas introduced.
All tests pass on my machine except for TestDFSShell. Something is wrong with getFileInfo().
Hudson is stuck again so I cannot verify on a different machine either.
Please somebody take a look.
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
> Attachments: 3108_20080327.patch, getNodeNPE.patch
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Commented: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Raghu Angadi (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583102#action_12583102 ]
Raghu Angadi commented on HADOOP-3108:
--------------------------------------
> I should say in general that handling of RemoteExceptions e.g. in connection
> with FileNotFoundException is terrible. I will file a separate jira.
This has been a long standing issue. Doug commented many times on this. If I remember correctly, his latest suggestion was something like to unwrap the exception as long as the inner exception class exists on the client. New jira will be good.
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
> Attachments: 3108_20080327.patch, getNodeNPE.patch
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Updated: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tsz Wo (Nicholas), SZE updated HADOOP-3108:
-------------------------------------------
Attachment: 3108_20080327.patch
Here is the codes I got. Konstantin will continue work on it.
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
> Attachments: 3108_20080327.patch
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Updated: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Konstantin Shvachko (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Konstantin Shvachko updated HADOOP-3108:
----------------------------------------
Attachment: 3108-0.16.2.patch
This is a version with the testPermission changed to catch the case.
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
> Attachments: 3108-0.16.2.patch, 3108-0.16.2.patch, 3108_20080327.patch, getNodeNPE.patch
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Updated: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Koji Noguchi (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Koji Noguchi updated HADOOP-3108:
---------------------------------
Description:
Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
Permission is disabled on this cluster.
{noformat}
2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
error: java.io.IOException: java.lang.NullPointerException
java.io.IOException: java.lang.NullPointerException
at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
{noformat}
was:
Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
Permission is disabled on this cluster.
{noformat}
2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 76.13.26.233:49707:
error: java.io.IOException: java.lang.NullPointerException
java.io.IOException: java.lang.NullPointerException
at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
{noformat}
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Updated: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Konstantin Shvachko (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Konstantin Shvachko updated HADOOP-3108:
----------------------------------------
Attachment: 3108-0.16.2.patch
This patch applies both to trunk and 0.16.
I corrected test failure in my previous patch.
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
> Attachments: 3108-0.16.2.patch, 3108-0.16.2.patch, 3108-0.16.2.patch, 3108_20080327.patch, getNodeNPE.patch
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Commented: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Raghu Angadi (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583151#action_12583151 ]
Raghu Angadi commented on HADOOP-3108:
--------------------------------------
+1.
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
> Attachments: 3108-0.16.2.patch, 3108-0.16.2.patch, 3108_20080327.patch, getNodeNPE.patch
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Assigned: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tsz Wo (Nicholas), SZE reassigned HADOOP-3108:
----------------------------------------------
Assignee: Tsz Wo (Nicholas), SZE
Oops, it throws NPE when the path does not exist. I will fix it.
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Tsz Wo (Nicholas), SZE
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Commented: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583113#action_12583113 ]
Tsz Wo (Nicholas), SZE commented on HADOOP-3108:
------------------------------------------------
> Since this patch is meant for 16, I think its better if it only fixes the NPEs.
+1 we should minimize the last minute changes.
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
> Attachments: 3108_20080327.patch, getNodeNPE.patch
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Updated: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Konstantin Shvachko (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Konstantin Shvachko updated HADOOP-3108:
----------------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
I just committed this.
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
> Attachments: 3108-0.16.2.patch, 3108-0.16.2.patch, 3108-0.16.2.patch, 3108_20080327.patch, getNodeNPE.patch
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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[jira] Assigned: (HADOOP-3108) NPE in
FSDirectory.unprotectedSetPermission
Posted by "Robert Chansler (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robert Chansler reassigned HADOOP-3108:
---------------------------------------
Assignee: Konstantin Shvachko (was: Tsz Wo (Nicholas), SZE)
> NPE in FSDirectory.unprotectedSetPermission
> -------------------------------------------
>
> Key: HADOOP-3108
> URL: https://issues.apache.org/jira/browse/HADOOP-3108
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.16.1
> Reporter: Koji Noguchi
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.2
>
>
> Not sure if this is fixed in later release, but I'm seeing many NPE in the namenode log.
> Permission is disabled on this cluster.
> {noformat}
> 2008-03-27 03:22:39,984 INFO org.apache.hadoop.ipc.Server: IPC Server handler 18 on 8020,
> call setPermission(/user/knoguchi/file0, rwxr-xr-x) from 99.9.99.9:55555:
> error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSDirectory.unprotectedSetPermission(FSDirectory.java:411)
> at org.apache.hadoop.dfs.FSDirectory.setPermission(FSDirectory.java:405)
> at org.apache.hadoop.dfs.FSNamesystem.setPermission(FSNamesystem.java:716)
> at org.apache.hadoop.dfs.NameNode.setPermission(NameNode.java:297)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:409)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:899)
> {noformat}
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