error with MR and someone had painted it blue

classic Classic list List threaded Threaded
3 messages Options
Reply | Threaded
Open this post in threaded view
|  
Report Content as Inappropriate

error with MR and someone had painted it blue

David Montgomery
I am trying to run a mr. I get  the below error.  Other than a 500 error...I dont see any other means to debug.  What does the error mean?

Traceback (most recent call last):
  File "/home/ubuntu/workspace/rtbopsConfig/rtbServers/rtbWorkerServer/mapred_nokeypy.py", line 69, in <module>
    main()
  File "/home/ubuntu/workspace/rtbopsConfig/rtbServers/rtbWorkerServer/mapred_nokeypy.py", line 59, in main
    for result in query.run(timeout=3000000):
  File "/usr/local/lib/python2.7/dist-packages/riak-1.5.0-py2.7.egg/riak/mapreduce.py", line 232, in run
    result = t.mapred(self._inputs, query, timeout)
  File "/usr/local/lib/python2.7/dist-packages/riak-1.5.0-py2.7.egg/riak/transports/http.py", line 321, in mapred
    (repr(response[0]), repr(response[1])))
Exception: Error running MapReduce operation. Headers: {'date': 'Sun, 09 Dec 2012 07:10:40 GMT', 'content-length': '190', 'content-type': 'application/json', 'http_code': 500, 'server': 'MochiWeb/1.1 WebMachine/1.9.0 (someone had painted it blue)'} Body: '{"phase":0,"error":"[timeout]","input":"{<<\\"impressions\\">>,<<\\"0034fad8-8216-4e12-95e9-abcf4af498ca:cid6587015966:agid5748040653:2012112805:SG\\">>}","type":"forward_preflist","stack":"[]"}'


_______________________________________________
riak-users mailing list
[hidden email]
http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
Reply | Threaded
Open this post in threaded view
|  
Report Content as Inappropriate

Re: error with MR and someone had painted it blue

bryan-basho
Administrator
On Sun, Dec 9, 2012 at 2:25 AM, David Montgomery
<[hidden email]> wrote:
> I am trying to run a mr. I get  the below error.  Other than a 500 error...I
> dont see any other means to debug.  What does the error mean?

Hi, David. The clues are here:

> '{"phase":0,"error":"[timeout]","input":"{<<\\"impressions\\">>,<<\\"0034fad8-8216-4e12-95e9-abcf4af498ca:cid6587015966:agid5748040653:2012112805:SG\\">>}","type":"forward_preflist","stack":"[]"}'

The query encountered a timeout error in the first phase. The
'forward_preflist' type is an unfortunate problem with Riak 1.2, where
a key that was not found (I'm guessing at the meaning of your
"nokeypy" module name) would attempt to use a forwarding mechanism
that would fail if the input list was large enough to fill pipe
processing queues in a preflist:

    https://github.com/basho/riak_kv/issues/290

This issue has been fixed on master, and will be part of the 1.3 release.

-Bryan

_______________________________________________
riak-users mailing list
[hidden email]
http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
Reply | Threaded
Open this post in threaded view
|  
Report Content as Inappropriate

Re: error with MR and someone had painted it blue

Lex H
Hi,

It looks like I'm running into this bug quite often.

What is the release date schedule for the next Riak release that would include this fix?

Cheers,

Lexual.


On Tue, Dec 11, 2012 at 3:34 AM, Bryan Fink <[hidden email]> wrote:
On Sun, Dec 9, 2012 at 2:25 AM, David Montgomery
<[hidden email]> wrote:
> I am trying to run a mr. I get  the below error.  Other than a 500 error...I
> dont see any other means to debug.  What does the error mean?

Hi, David. The clues are here:

> '{"phase":0,"error":"[timeout]","input":"{<<\\"impressions\\">>,<<\\"0034fad8-8216-4e12-95e9-abcf4af498ca:cid6587015966:agid5748040653:<a href="tel:2012112805" value="+12012112805">2012112805:SG\\">>}","type":"forward_preflist","stack":"[]"}'

The query encountered a timeout error in the first phase. The
'forward_preflist' type is an unfortunate problem with Riak 1.2, where
a key that was not found (I'm guessing at the meaning of your
"nokeypy" module name) would attempt to use a forwarding mechanism
that would fail if the input list was large enough to fill pipe
processing queues in a preflist:

    https://github.com/basho/riak_kv/issues/290

This issue has been fixed on master, and will be part of the 1.3 release.

-Bryan

_______________________________________________
riak-users mailing list
[hidden email]
http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com


_______________________________________________
riak-users mailing list
[hidden email]
http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
Loading...