Hi John,
On May 24, 2011, at 10:34 AM, John Knutson wrote:
> I tried using an H5Ovisit call to make a list of the attributes to delete,
> which is then separately deleted using H5Adelete_by_name outside of the
> H5Ovisit callback, and the results were the same, so the problem I'm seeing
> doesn't appear to be due to the deletion inside the callback. That said, the
> loc_id I'm using in the delete call is the one provided to the callback
> (managed using H5Iinc_ref of course). It doesn't seem like that should be a
> problem, but I figured it should be mentioned just in case.
>
> Anyway. Still stuck on this issue.
Hmm, can you send some test code that show's the failure?
Quincey
> John Knutson wrote:
>> I'm seeing errors in our software when trying to delete attributes from HDF5
>> files just prior to replacing them with new values. I've "attached" one of
>> the error messages to the end of this email. I'm not entirely sure what's
>> going on, but I'm starting to think that the problem might be due to the
>> fact that I'm deleting the attributes inside of an H5Ovisit callback
>> function. My attempts to reproduce the problem without the H5Ovisit call
>> have failed so far. Any suggestions as to what I might be doing wrong? I
>> don't see anything in H5Ovisit that says not to use any particular HDF5 API
>> inside the callback.
>>
>>
>> HDF5-DIAG: Error detected in HDF5 (1.8.7-pre1) thread 1:
>> #000: H5A.c line 2161 in H5Adelete_by_name(): unable to delete attribute
>> major: Attribute
>> minor: Can't delete message
>> #001: H5Oattribute.c line 1605 in H5O_attr_remove(): error deleting attribute
>> major: Attribute
>> minor: Can't delete message
>> #002: H5Omessage.c line 1313 in H5O_msg_iterate_real(): iterator function
>> failed
>> major: Object header
>> minor: Unable to list node
>> #003: H5Oattribute.c line 1530 in H5O_attr_remove_cb(): unable to convert
>> into null message
>> major: Object header
>> minor: Can't delete message
>> #004: H5Oalloc.c line 1219 in H5O_release_mesg(): unable to delete file
>> space for object header message
>> major: Object header
>> minor: Can't delete message
>> #005: H5Omessage.c line 2088 in H5O_delete_mesg(): unable to delete file
>> space for object header message
>> major: Object header
>> minor: Can't delete message
>> #006: H5Oshared.h line 243 in H5O_attr_shared_delete(): unable to decrement
>> ref count for native message
>> major: Object header
>> minor: Unable to decrement reference count
>> #007: H5Oattr.c line 548 in H5O_attr_delete(): unable to adjust datatype
>> link count
>> major: Attribute
>> minor: Bad object header link count
>> #008: H5Oshared.h line 237 in H5O_dtype_shared_delete(): unable to decrement
>> ref count for shared message
>> major: Object header
>> minor: Unable to decrement reference count
>> #009: H5Oshared.c line 527 in H5O_shared_delete(): unable to adjust shared
>> object link count
>> major: Object header
>> minor: Bad object header link count
>> #010: H5Oshared.c line 247 in H5O_shared_link_adj(): interfile hard links
>> are not allowed
>> major: Links
>> minor: Unable to initialize object
>>
>>
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>
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