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Hadoop >> mail # user >> under cygwin JUST tasktracker run by cyg_server user, Permission denied .....


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Re: under cygwin JUST tasktracker run by cyg_server user, Permission denied .....
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.
>>>>
>>