Elana,
Thanks for the response.  I am certain that this is the first call to
create an object at this location with this name--but I am using collective
calls to HDF5 routines and I have created the file collectively. Could this
be an MPI related issue? The code that generates this error is fairly
large, and it's not immediately obvious to me how to make a smaller code to
reproduce this error. I commented out the call to h5dcreate_f and replaced
it with another one to create a data set, foo, under the root group which
is also failing with the same errors. I'll re-double-check that the file
has been created and opened correctly (i.e. collectively, etc.) and that I
am not missing anything critical. Any additional thoughts about where I
might have gone wrong are welcome.

Izaak Beekman
===================================
(301)244-9367
UMD-CP Visiting Graduate Student
Aerospace Engineering
[email protected]
[email protected]


On Fri, Nov 4, 2011 at 12:00 PM, <[email protected]> wrote:

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>   1. Re: help with errors (Elena Pourmal)
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> ---------- Forwarded message ----------
> From: Elena Pourmal <[email protected]>
> To: HDF Users Discussion List <[email protected]>
> Date: Thu, 3 Nov 2011 19:52:38 -0500
> Subject: Re: [Hdf-forum] help with errors
> Izaak,
>
> There is a message in the error log file that object already exists.
>
>   #002: H5L.c line 1640 in H5L_link_object(): unable to create new link to
> object
>   #000: H5D.c line 170 in H5Dcreate2(): unable to create dataset
>   #006: H5L.c line 1675 in H5L_link_cb(): name already exists
>   #005: H5Gtraverse.c line 759 in H5G_traverse_real(): traversal operator
> failed
>     major: Symbol table
>     major: Dataset
>     minor: Callback failed
>     major: Symbol table
>     major: Symbol table
>     minor: Callback failed
>     minor: Unable to initialize object
>     major: Symbol table
>     major: Links
>     minor: Object already exists
>
> Elena
> On Nov 3, 2011, at 7:21 PM, Izaak Beekman wrote:
>
> Also,
> I am using HDF5-1.8.5-p1 on RHEL5 x86_64, with intel's ifort 11.1
> compiler, Build 20090630 Package ID: l_cprof_p_11.1.046 and
> mvapich-1.1.0-qlc. I built HDF5 using this toolchain.
>
> Hi,
>> The following piece of Fortran code is producing some cryptic errors i am
>> having trouble understanding. The errors are attached as an attachment.
>>
>>        CALL h5dcreate_f(newfl_id, &
>>>                         '/aux/planes/foo', &
>>>                         H5T_NATIVE_DOUBLE, &
>>>                         hifstate(n)%flspace,hifstate(n)%dset_id(1),err)
>>>
>>
>> newfl_id is of type INTEGER(HID_T) and was return by h5fcreate_f and is
>> still open. The groups /aux and /aux/planes have already been created.
>> hifstate(n)%flspace has been created by h5screate_simple_f and is of type
>> INTEGER(HID_T), and hifstate(n)%dset_id(1) is of type INTEGER(HID_T).
>>
>> Do /aux and /aux/planes need to be open? Could this be the issue?
>> (Although I am using an absolute path so I don't think this is the issue)
>>
>> Thanks for any feedback, I am really stuck.
>>
>
> Izaak Beekman
> ===================================
> (301)244-9367
> UMD-CP Visiting Graduate Student
> Aerospace Engineering
> [email protected]
> [email protected]
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