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https://issues.apache.org/jira/browse/HADOOP-3561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12605003#action_12605003
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chris.douglas edited comment on HADOOP-3561 at 6/13/08 5:14 PM:
----------------------------------------------------------------
After issuing this command and shutting down the namenode, attempting to bring
it up causes the following exception:
{noformat}
2008-06-13 16:14:41,116 INFO org.apache.hadoop.ipc.Server: IPC Server handler 5
on 8020, call rename(/user/username, /user/username/.Trash/Current/username)
from 127.0.0.1:53108: error: java.io.IOException: java.lang.NullPointerException
java.io.IOException: java.lang.NullPointerException
at
org.apache.hadoop.dfs.FSNamesystem.changeLease(FSNamesystem.java:4343)
at
org.apache.hadoop.dfs.FSNamesystem.renameToInternal(FSNamesystem.java:1425)
at org.apache.hadoop.dfs.FSNamesystem.renameTo(FSNamesystem.java:1401)
at org.apache.hadoop.dfs.NameNode.rename(NameNode.java:401)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:452)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:888)
{noformat}
was (Author: chris.douglas):
This may not be related, but after issuing this command and shutting down
the namenode, attempting to bring it up causes the following exception:
{noformat}
2008-06-13 15:56:01,028 ERROR org.apache.hadoop.dfs.NameNode:
java.lang.NullPointerException
at
org.apache.hadoop.dfs.FSNamesystem.changeLease(FSNamesystem.java:4349)
at org.apache.hadoop.dfs.FSEditLog.loadFSEdits(FSEditLog.java:561)
at org.apache.hadoop.dfs.FSImage.loadFSEdits(FSImage.java:843)
at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:672)
at org.apache.hadoop.dfs.FSImage.recoverTransitionRead(FSImage.java:289)
at org.apache.hadoop.dfs.FSDirectory.loadFSImage(FSDirectory.java:80)
at org.apache.hadoop.dfs.FSNamesystem.initialize(FSNamesystem.java:273)
at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:252)
at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:148)
at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:193)
at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:179)
at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:822)
at org.apache.hadoop.dfs.NameNode.main(NameNode.java:831)
{noformat}
With HADOOP-3534 applied:
{noformat}
2008-06-13 16:14:41,116 INFO org.apache.hadoop.ipc.Server: IPC Server handler 5
on 8020, call rename(/user/username, /user/username/.Trash/Current/username)
from 127.0.0.1:53108: error: java.io.IOException: java.lang.NullPointerException
java.io.IOException: java.lang.NullPointerException
at
org.apache.hadoop.dfs.FSNamesystem.changeLease(FSNamesystem.java:4343)
at
org.apache.hadoop.dfs.FSNamesystem.renameToInternal(FSNamesystem.java:1425)
at org.apache.hadoop.dfs.FSNamesystem.renameTo(FSNamesystem.java:1401)
at org.apache.hadoop.dfs.NameNode.rename(NameNode.java:401)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:452)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:888)
2008-06-13 16:14:41,127 INFO org.apache.hadoop.ipc.Server: IPC Server handler 8
on 8020, call rename(/user/username, /user/username/.Trash/Current/username)
from 127.0.0.1:53108: error: java.io.IOException: java.lang.NullPointerException
java.io.IOException: java.lang.NullPointerException
at
org.apache.hadoop.dfs.FSNamesystem.changeLease(FSNamesystem.java:4343)
at
org.apache.hadoop.dfs.FSNamesystem.renameToInternal(FSNamesystem.java:1425)
at org.apache.hadoop.dfs.FSNamesystem.renameTo(FSNamesystem.java:1401)
at org.apache.hadoop.dfs.NameNode.rename(NameNode.java:401)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:452)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:888)
{noformat}
> With trash enabled, 'hadoop fs -rmr .' still fully deletes the working dir
> --------------------------------------------------------------------------
>
> Key: HADOOP-3561
> URL: https://issues.apache.org/jira/browse/HADOOP-3561
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Environment: r667675
> Reporter: Chris Douglas
> Priority: Blocker
> Fix For: 0.18.0
>
>
> With trash enabled, it should be more difficult to fully delete the working
> dir:
> {noformat}
> bash$ bin/hadoop fs -lsr /
> drwxr-xr-x - username supergroup 0 2008-06-13 15:51 /user
> drwxr-xr-x - username supergroup 0 2008-06-13 15:52 /user/username
> drwxr-xr-x - username supergroup 0 2008-06-13 15:52
> /user/username/.Trash
> drwx------ - username supergroup 0 2008-06-13 15:52
> /user/username/.Trash/Current
> -rw-r--r-- 1 username supergroup 232060 2008-06-13 15:52
> /user/username/.Trash/Current/file.txt
> pineapple-lm:~/work/18-commit chrisdo$ bin/hadoop fs -rmr .
> rmr: Failed to move to trash: hdfs://localhost/user/username
> bash$ bin/hadoop fs -lsr /
> drwxr-xr-x - username supergroup 0 2008-06-13 15:52 /user
> bash$
> {noformat}
> In 0.17, the working dir remains.
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