[Bug 2058415] Re: Reading binary data in paraview broken by libexpat1 update

[Fergus Cooper]

This still affects at least vtk9 (Ubuntu 24.04 and 22.04) and vtk7
(Ubuntu 22.04).

Is there any prospect of the VTK patch being applied and these packages
updated?

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Title:
  Reading binary data in paraview broken by libexpat1 update

Status in dune-grid package in Ubuntu:
  Confirmed
Status in expat package in Ubuntu:
  Confirmed
Status in paraview package in Ubuntu:
  Confirmed
Status in vtk7 package in Ubuntu:
  Confirmed
Status in vtk9 package in Ubuntu:
  New

Bug description:
  The recent update of libexpat1 to version 2.5.0-2ubuntu0.1 broke Paraview. 
  In particular reading vtu files containing binary data fails since this update. When trying to open files that worked fine before, Paraview now reports a parsing error like this one:

  ERROR: In vtkXMLParser.cxx, line 376
  vtkXMLDataParser (0x5b0ac36fc970): Error parsing XML in stream at line 21, column 0, byte index 1036: not well-formed (invalid token)

  ERROR: In vtkXMLReader.cxx, line 521
  vtkXMLUnstructuredGridReader (0x5b0ac3d3b670): Error parsing input file.  ReadXMLInformation aborting.

  The problem disappears when reverting libexpat1 to version 2.5.0-2.

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