client hangs #26

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1. DbxDev commented on Jul 15, 2021

   

   DbxDev

   on Jul 15, 2021

   Contributor

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   I wonder if that could be the same issue as #17. The problem you're facing is similar and you all are running Ubuntu.
2. DbxDev

   self-assigned this

   on Jul 15, 2021
3. GSam commented on Sep 16, 2021

   

   GSam

   on Sep 16, 2021

   Last edited by GSam

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   I'm running v12.3 with Python 3.6.9 on Ubuntu.

   The following works:
   session.evaluate(wlexpr('Range[5]'))

   But I can definitely reproduce a hang with:
   session.evaluate(wl.WolframAlpha("number of moons of Saturn", "Result"))

   Notably the following does return an answer, so there might be a separate issue with the second argument of WolframAlpha:
   session.evaluate(wl.WolframAlpha("number of moons of Saturn"))
4. GSam commented on Sep 16, 2021

   

   GSam

   on Sep 16, 2021

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   I'm running v12.3 with Python 3.6.9 on Ubuntu.

   The following works:
   session.evaluate(wlexpr('Range[5]'))

   But I can definitely reproduce a hang with:
   session.evaluate(wl.WolframAlpha("number of moons of Saturn", "Result"))

   Notably the following does return an answer, so there might be a separate issue with the second argument of WolframAlpha:
   session.evaluate(wl.WolframAlpha("number of moons of Saturn"))

   Solved one of my hangs:

   In[2]:= WolframAlpha["2+2", "Result"]
   /usr/local/Wolfram/WolframEngine/12.3/SystemFiles/FrontEnd/Binaries/Linux-x86-64/WolframPlayer: error while loading shared libraries: libasound.so.2: cannot open shared object file: No such file or directory
   

   Solved with:
   sudo apt-get install libasound2

   I assume that libasound2 should be made an explicit dependency, or an instruction listed.
5. DbxDev commented on Sep 21, 2021

   

   DbxDev

   on Sep 21, 2021

   Contributor

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   Here is the list of dependencies that the FrontEnd requires. Any FrontEnd dependent function eventually need them:

   linux-vdso.so.1
   libGL.so.1
   libpthread.so.0
   librt.so.1
   libdl.so.2
   libX11.so.6
   libfontconfig.so.1
   libstdc++.so.6
   libm.so.6
   libc.so.6
   /lib64/ld-linux-x86-64.so.2
   libgcc_s.so.1
   libuuid.so.1
   libz.so.1
   libGLX.so.0
   libGLdispatch.so.0
   libasound.so.2
   libxcb.so.1
   libexpat.so.1
   libXext.so.6
   libXau.so.6
   libXdmcp.so.6
   libbsd.so.0
   

   The command to get these: