On Nov 20, 2012, at 8:15 AM, Peter Cock wrote:

> On Thu, Nov 15, 2012 at 11:21 AM, Peter Cock <p.j.a.c...@googlemail.com> 
> wrote:
>> On Thu, Nov 15, 2012 at 10:12 AM, Peter Cock <p.j.a.c...@googlemail.com> 
>> wrote:
>>> On Thu, Nov 15, 2012 at 10:06 AM, Peter Cock <p.j.a.c...@googlemail.com> 
>>> wrote:
>>>> Hi all,
>>>> 
>>>> Something has changed in the job handling, and in a bad way. On my
>>>> development machine submitting jobs to the cluster didn't seem to be
>>>> working anymore (never sent to SGE). I killed Galaxy and restarted:
>>>> ...
>>>> (segmentation fault)
>>> 
>>> Looking into the problem with submitting the jobs, there seems to be
>>> a problem with task splitting somehow recursing - the same file is
>>> split four times, the filename getting longer and longer:
>> 
>> Turning off task splitting I could run the same job OK on SGE.
>> 
>> So, the good news is the problems seem to be specific to the
>> task splitting code. Also I have reproduced the segmentation
>> fault when restarting Galaxy (after stopping Galaxy with one
>> of these broken jobs).
>> 
>> Starting server in PID 17996.
>> serving on http://127.0.0.1:8081
>> galaxy.jobs.runners.drmaa ERROR 2012-11-15 11:07:27,762 (327/None)
>> Unable to check job status
>> Traceback (most recent call last):
>>  File "/mnt/galaxy/galaxy-central/lib/galaxy/jobs/runners/drmaa.py",
>> line 296, in check_watched_items
>>    state = self.ds.jobStatus( job_id )
>>  File 
>> "/mnt/galaxy/galaxy-central/eggs/drmaa-0.4b3-py2.6.egg/drmaa/__init__.py",
>> line 522, in jobStatus
>>    _h.c(_w.drmaa_job_ps, jobName, _ct.byref(status))
>>  File 
>> "/mnt/galaxy/galaxy-central/eggs/drmaa-0.4b3-py2.6.egg/drmaa/helpers.py",
>> line 213, in c
>>    return f(*(args + (error_buffer, sizeof(error_buffer))))
>>  File 
>> "/mnt/galaxy/galaxy-central/eggs/drmaa-0.4b3-py2.6.egg/drmaa/errors.py",
>> line 90, in error_check
>>    raise _ERRORS[code-1]("code %s: %s" % (code, error_buffer.value))
>> InvalidArgumentException: code 4: Job id, "None", is not a valid job id
>> galaxy.jobs.runners.drmaa WARNING 2012-11-15 11:07:27,764 (327/None)
>> job will now be errored
>> ./run.sh: line 86: 17996 Segmentation fault      (core dumped) python
>> ./scripts/paster.py serve universe_wsgi.ini $@
>> 
>> The problem is the job_id variable is "None" (note this is a string,
>> not the Python special object None) in check_watched_items().
>> 
>> Peter
> 
> Is anyone else seeing this? I am wary of applying the update to our
> production Galaxy until I know how to resolve this (other than just
> be disabling task splitting).

Hi Peter,

These look like two issues - in one, you've got task(s) in the database that do 
not have an external runner ID set, causing the drmaa runner to attempt to 
check the status of "None", resulting in the segfault.  If you update the state 
of these tasks to something terminal, that should fix the issue with them.  Of 
course, if the same things happens with new jobs, then there's another issue.

I'm trying to reproduce the working directory behavior but have been 
unsuccessful.  Do you have any local modifications to the splitting or jobs 
code?

--nate

> 
> Thanks,
> 
> Peter
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