The user reported another file with this problem, but this manifestation raises 
the following stack trace. ( which is better than a core dump, I suppose.. )

HDF5-DIAG: Error detected in HDF5 library version: 1.6.5 thread 0.  Back trace 
foll\
ows.
  #000: H5Dio.c line 499 in H5Dread(): can't read data
    major(15): Dataset interface
    minor(24): Read failed
  #001: H5Dio.c line 756 in H5D_read(): can't read data
    major(15): Dataset interface
    minor(24): Read failed
  #002: H5Dio.c line 1786 in H5D_chunk_read(): data type conversion failed
    major(15): Dataset interface
    minor(29): Unable to initialize object
  #003: H5T.c line 4392 in H5T_convert(): data type conversion failed
    major(18): Attribute layer
    minor(50): Unable to encode value
  #004: H5Tconv.c line 2482 in H5T_conv_vlen(): incorrect length
    major(01): Function arguments
    minor(03): Inappropriate type
Traceback (most recent call last):
  File "zz.py", line 9, in ?
    print fp.root._meta_.load.read()
  File "/home/srk/lib/python2.4/site-packages/tables/vlarray.py", line 578, in 
read
    listarr = self._readArray(start, stop, step)
  File "hdf5Extension.pyx", line 1202, in hdf5Extension.VLArray._readArray
tables.exceptions.HDF5ExtError: VLArray._readArray: Problems reading the array 
data\
.
thanks,
S


----- Original Message ----
From: Stefan Kuzminski <[EMAIL PROTECTED]>
To: pytables-users@lists.sourceforge.net
Sent: Friday, April 13, 2007 2:55:06 PM
Subject: [Pytables-users] core dump

Hi,

I have a .h5 file that generates a core dump from pytables ( or hdf5? ) in the 
read method in the code below.  This happens with hd5 1.6.5 or 1.8alpha , with 
pytables 1.4 or 2.0beta on linux.

from tables import *
fp = openFile( 'TRANSACTIONS248.h5' )
print fp.root._meta_.variables.read()

The 'root._meta_.variables' node is a VLArray of type 'ObjectAtom' and contains 
a picked Python dictionary, just meta data about the data.  The .h5 is 24meg ( 
otherwise I could attach it to this email ).  Is there an ftp site I can upload 
it to when you can get it from?

thanks,
Stefan Kuzminski





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