[mcstas-users] [EXTERNAL] mcgui issue

[Wildgruber, Christoph U.]

Hi Peter,

we did a fresh instll and it looks like it fixed the problem!!

Thanks again!

Uli

> On 12 Feb 2021, at 14:53, Peter Kjær Willendrup <pkwi at fysik.dtu.dk> wrote:
> 
> Hi Uli,
> 
> 
> We did see the issue recently working with colleagues at ISIS and actually did an update of the CentOS / RHEL packages a few days ago.
> (The situation is identical for both the 2.7 and 3.0 releases.)
> 
> 
> So my best bet is that either
> 
> 1) getting the fresh miniconda3 RPM from http://download.mcstas.org/mcstas-2.7/linux/centos/mcstas-miniconda3-2.7-rpm64.rpm and force-installing it over the existing
> 
> or
> 
> 2) clearing your yum cache using 
> yum clean all
> , and force-reinstalling with
> yum reinstall mcstas-miniconda3-2.7 
> 
> - ought to fix the issue.
> 
> 
> Please try this out - and let me know if you are succesful or not.
> 
> Best,
> Peter
> 
> 
>> On 12 Feb 2021, at 20.37, Wildgruber, Christoph U. <wildgrubercu at ornl.gov> wrote:
>> 
>> Hi,
>> 
>> I ran into a problem with mcgui after an update on a RHEL 7 machine...
>> 
>> The error message is:
>> 
>> [cwl at hellerldrd BER_SANS_Phase_II_eng_v1.0]$ mcgui &
>> [1] 1072
>> [cwl at hellerldrd BER_SANS_Phase_II_eng_v1.0]$ Traceback (most recent call last):
>> File "<string>", line 1, in <module>
>> ImportError: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by /usr/local/mcstas/2.7/miniconda3/lib/python3.8/site-packages/PyQt5/Qsci.abi3.so)
>> 
>> 
>> I apologize If this issue came up on the list and I missed it… or the fix is documented somewhere...
>> 
>> Any advice on how to fix that?
>> 
>> 
>> Best wishes & many thanks,
>> 
>> Uli
>> 
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> 
> 
> Peter Kjær Willendrup
> Forskningsingeniør, Specialkonsulent
> Næstformand for DTU Fysik LSU
> 
> DTU Physics
> 
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> Technical University of Denmark
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