What triggers the error? Is it writing and/or reading to/from file. Is it
assignment of data from within the read function in the test?
johan
On Tuesday March 29 2011 22:53:01 Anders Logg wrote:
> The parameter unit test is sometimes failing in parallel. On my local
> machine it always seems to work with 2 or 3 processes, but sometimes
> it fails with 4, giving the same error message as the buildbot:
>
> ##Failure Location unknown## : Error
> Test name: InputOutput::test_simple
> uncaught exception of type St13runtime_error
> - *** Error: Unable to access parameter "filename" in parameter set
> "test", par
> ameter not defined.
>
> Failures !!!
> Run: 2 Failure total: 1 Failures: 0 Errors: 1
>
> There is a check for which process writes to file and a barrier that
> should make sure everyone waits until the file gets written.
>
> // Save to file
> if (dolfin::MPI::process_number() == 0)
> {
> File f0("test_parameters.xml");
> f0 << p0;
> }
> dolfin::MPI::barrier();
>
> // Read from file
> Parameters p1;
> File f1("test_parameters.xml");
> f1 >> p1;
>
> I thought that should do the trick, but apparently not.
>
> Any ideas what goes wrong?
>
> --
> Anders
>
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