[Paraview] seg.fault when reading VRML files twice

[Shawn Waldon]

Hi Kazuyoshi,

The fix has been merged into the main branch of ParaView and should be
available in nightly builds as of today.

-Shawn

On Fri, Sep 5, 2014 at 9:37 AM, Shawn Waldon <shawn.waldon at kitware.com>
wrote:

> Hi Kazuyoshi,
>
> I've tracked down the segfault, which results from a bug in the VTK VRML
> importer class.  You will get the same thing if you delete a VRML Reader
> and re-create it.  It will affect any current build of ParaView.  Fixing it
> is going to require restructuring that class somewhat and will take a day
> or two.  For now, just try to avoid this particular use case if possible
> and I'll let you know as soon as it is fixed and merged into ParaView.
>
> -Shawn
>
> On Thu, Sep 4, 2014 at 6:27 PM, Kazuyoshi Furutaka <
> furutaka.kazuyoshi at jaea.go.jp> wrote:
>
>> Updates:
>>
>>   (v) also occurs w/ ParaView-4.2.0-RC1-Windows-32bit.exe as well
>>       as a 4.2.0-RC1 binary compiled on Fedora 20 (i386).
>>
>> Any suggestions?
>>
>> Thanks.
>> Kazuyoshi
>>
>> From: Kazuyoshi Furutaka <furutaka.kazuyoshi at jaea.go.jp>
>> Subject: [Paraview] seg.fault when reading VRML files twice
>> Date: Wed, 03 Sep 2014 11:50:11 +0900 (JST)
>>
>> > Dear ParaView experts...
>> >
>> > As the subject says, I'm suffering from the segmentation faluts
>> > when reading VRML files.
>> >
>> > It occurs:
>> >   (i)  File->Open a VRML file, display the content,
>> >        (File->Disconnect) then File->Open a VRML file and display it,
>> >
>> >   (ii) on linux (Fedora 20, binary package: paraview-4.1.0-1.fc20.i686)
>> >        as well as on windows (Vista Business SP2, "4.1.0 32-bit",
>> >        ParaView-4.1.0-Windows-32bit.exe, downloaded from
>> >        http://www.paraview.org/download/
>> >
>> >   (iii) regardless of whether the second VRML file is the same as
>> >        or different from the first one,
>> >
>> >   (iV) even with a simple VRML file as the attached one...
>> >
>> > It DOES NOT occur when loading/displaying multiple VRML files
>> > in the same session (w/o disconnecting)...
>> >
>> > How can I avoid/fix this?
>> >
>> > I'll attach a trimmed backtrace obtained on linux with gdb...
>> >
>> > Thanks in advance.
>> >
>> > Kazuyoshi
>> > --
>> > Kazuyoshi Furutaka
>> > furutaka _dot_ kazuyoshi _at_ jaea _dot_ go _dot_ jp
>> --
>> Kazuyoshi Furutaka
>> furutaka _dot_ kazuyoshi _at_ jaea _dot_ go _dot_ jp
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