Dear Uma,
as you know when we use start-all.sh command, all the outputs saved in log files, when i check the tasktracker log file, i see the below error message and its shutdown. im really confused, its more than 4 days im working in this issue and tried different ways but no result.^^

BS.
Masoud

On 11/03/2011 08:34 PM, Uma Maheswara Rao G 72686 wrote:
it wont disply any thing on console.
If you get any error while exceuting the command, then only it will disply on 
console. In your case it might executed successfully.
Still you are facing same problem with TT startup?

Regards,
Uma
----- Original Message -----
From: Masoud<[email protected]>
Date: Thursday, November 3, 2011 7:02 am
Subject: Re: under cygwin JUST tasktracker run by cyg_server user, Permission 
denied .....
To: [email protected]

Hi,
thanks for info, i checked that report, seems same with mine but
no
specific solution mentioned.
Yes, i changed this folder permission via cygwin,NO RESULT.
Im really confused. ...

any idea please ...?

Thanks,
B.S


On 11/01/2011 05:38 PM, Uma Maheswara Rao G 72686 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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