Smells like failure to execute chmod to me; make sure cygwin is on your
path?

On 1 November 2011 01:38, Uma Maheswara Rao G 72686 <[email protected]>wrote:

> Looks, that is permissions related issue on local dirs
> There is an issue filed in mapred, related to this problem
> https://issues.apache.org/jira/browse/MAPREDUCE-2921
>
> Can you please provide permissions explicitely and try?
>
> Regards,
> Uma
> ----- Original Message -----
> From: Masoud <[email protected]>
> Date: Tuesday, November 1, 2011 1:19 pm
> Subject: Re: under cygwin JUST tasktracker run by cyg_server user,
> Permission denied .....
> To: [email protected]
>
> > Sure, ^^
> >
> > when I run {namenode -fromat} it makes dfs in c:/tmp/
> > administrator_hadoop/....
> > after that by running "start-all.sh" every thing is OK, all daemons
> > run
> > except tasktracker.
> > My current user in administrator, but tacktracker runs by
> > cyg_server
> > user that made by cygwin in installation time;This is a part of log
> > file:
> > 2011-11-01 14:26:54,463 INFO org.apache.hadoop.mapred.TaskTracker:
> > Starting tasktracker with owner as cyg_server
> > 2011-11-01 14:26:54,463 INFO org.apache.hadoop.mapred.TaskTracker:
> > Good
> > mapred local directories are: /tmp/hadoop-cyg_server/mapred/local
> > 2011-11-01 14:26:54,479 ERROR org.apache.hadoop.mapred.TaskTracker:
> > Can
> > not start task tracker because java.io.IOException: Failed to set
> > permissions of path: \tmp\hadoop-cyg_server\mapred\local\ttprivate
> > to 0700
> >     at
> > org.apache.hadoop.fs.FileUtil.checkReturnValue(FileUtil.java:680)
> >  at org.apache.hadoop.fs.FileUtil.setPermission(FileUtil.java:653)
> >     at
> >
> org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:483)
> >     at
> >
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:318)
> >     at
> > org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:183)
> >     at
> > org.apache.hadoop.mapred.TaskTracker.initialize(TaskTracker.java:741)
> >     at
> > org.apache.hadoop.mapred.TaskTracker.<init>(TaskTracker.java:1463)
> >   at org.apache.hadoop.mapred.TaskTracker.main(TaskTracker.java:3611)
> >
> > 2011-11-01 14:26:54,479 INFO org.apache.hadoop.mapred.TaskTracker:
> > SHUTDOWN_MSG:
> > /************************************************************
> >
> >
> > Thanks,
> > BR.
> >
> > On 11/01/2011 04:33 PM, Uma Maheswara Rao G 72686 wrote:
> > > Can you please give some trace?
> > > ----- Original Message -----
> > > From: Masoud<[email protected]>
> > > Date: Tuesday, November 1, 2011 11:08 am
> > > Subject: under cygwin JUST tasktracker run by cyg_server user,
> > Permission denied .....
> > > To: [email protected]
> > >
> > >> Hi
> > >> I have problem in running hadoop under cygwin 1.7
> > >> only tasktracker ran by cyg_server user and so make some problems,
> > >> so any idea please???
> > >>
> > >> BS.
> > >> Masoud.
> > >>
> >
> >
>

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