I'm sorry, I might be a bit dense but it's still not entirely
clear to me: if you run the following in a plain shell script:
globus-credential-delegate -h <scheduler> <eprFileName>
globusrun-ws -submit -batch -F <scheduler> -Ft <factory> -S -Jf <eprFileName>
-o JobIdFile -f <jobDescFile>
globusrun-ws -submit -batch -F <scheduler> -Ft <factory> -S -Jf <eprFileName>
-o JobIdFile -f <jobDescFile>
globusrun-ws -submit -batch -F <scheduler> -Ft <factory> -S -Jf <eprFileName>
-o JobIdFile -f <jobDescFile>
Do the jobs succeed or fail?
Martin
Belaid MOA wrote:
> Thanks a lot Martin for looking at this.
>
> 1- In the shell script, I run:
>
> globus-credential-delegate -h $scheduler $eprName
>
> 2- The command I call in each thread is:
> string sysCommand = "globusrun-ws -submit -batch -F "+scheduler+"
> -Ft "+factory+" -S -Jf ";
> sysCommand.append(eprName);
> sysCommand.append(" -o JobIdFile");
> sysCommand.append(" -f ");
> sysCommand.append(jobDescFile);
> //submit the request
> system(command.c_str());
>
> 3- The error is:
>
> $ globusrun-ws -status -j
> JobId: 94110cc2-9376-11df-9044-0019d1a
> Current job state: Failed
> globusrun-ws: Job failed: Staging error for RSL element fileStageIn.
> Connection creation error [Caused by: java.io.EOFException]
> Connection creation error [Caused by: java.io.EOFException]
>
> I do not have access to the GT4 log container on the PBS head node :(.
>
> ~Belaid.
>
>> Date: Wed, 21 Jul 2010 10:40:26 -0500
>> From: [email protected]
>> CC: [email protected]
>> Subject: Re: [gt-user] Threads and
> globusrun-ws/globus-credential-delegate.
>>
>> Can you paste the exact commands you use in the system calls, and the
>> error you get in the concurrent scenario?
>>
>> Martin
>>
>> Belaid MOA wrote:
>> > That's right Martin. For each thread, I just call
>> > system("globus-credential-delegate ... ") and use the epr in
>> > system("globusrun-ws ...."). That's where I do not get any error.
>> > If, however,
>> > I call system("globusrun-ws ...") on each thread using a single epr
>> > (created in the shell script before running the C program), then I
>> > started getting RSL stagein element error.
>> >
>> > Thanks a lot Martin for looking at this.
>> >
>> > ~Belaid.
>> >
>> >
>> >> Date: Wed, 21 Jul 2010 09:55:16 -0500
>> >> From: [email protected]
>> >> CC: [email protected]
>> >> Subject: Re: [gt-user] Threads and
>> > globusrun-ws/globus-credential-delegate.
>> >>
>> >> Hi,
>> >>
>> >> I'm not sure I get this question right, and I'm also not a C guy
> anymore.
>> >>
>> >> Does it work if you run globus-credential-delegate and globusrun-ws
>> > sequentially
>> >> as command-line tools?
>> >>
>> >> I.e.
>> >> 1. Call globus-credential-delegate and store the EPR somewhere.
>> >> 2. Then use it for several globusrun-ws job submissions.
>> >>
>> >> Martin
>> >>
>> >> Belaid MOA wrote:
>> >> > Hi everyone,
>> >> > Just a quick question, I am using pthreads in C to run globusrun-ws
>> >> > and globus-credential-delegate concurrently on a GT4 PBS cluster.
>> >> > I noticed that using a single system call to
> globus-credential-delegate
>> >> > when submitting a set of jobs produces RSL stagein element error (The
>> >> > jobs are using
>> >> > the same epr produced by the single call to
> globus-credential-delegate).
>> >> > This does not happen when globus-credential-delegate is called
> for every
>> >> > job (each job has its own unique epr).
>> >> >
>> >> > Is that mean that globusrun-ws/globus-credential-delegate are not
>> >> > thread-safe?
>> >> >
>> >> > Thanks a lot in advance.
>> >> > ~Belaid.
>> >> >
>> >> >
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