MPh: Discovery of Comsol 6.0 fails on Linux

Hi, I’ve upgraded my comsol version to 6.0 and now mph is failing to locate comsol. I did a quick research and it seems that the following code is failing with comsol 6.0: backends.append({ 'name': name, 'major': major, 'minor': minor, 'patch': patch, 'build': build, 'root': root, 'jvm': jvm, 'java': java, 'server': [comsol, 'mphserver'], I’ve downgraded and it works as usual. Louis

About this issue

Original URL
State: closed
Created 2 years ago
Comments: 23 (3 by maintainers)

Commits related to this issue

Relaxed test assertions when comparing tags with reference model. `test_tag()` in `test_node.py` compares the node tags generated by MPh with the tags created by Comsol for the same model. The refere... — committed to MPh-py/MPh by john-hen 2 years ago
Fixed discovery of Comsol 6.0 on Linux. (#67) The relative location of `libjvm.so` has changed between Comsol 5.6 and 6.0, probably because the vendored JDK was upgraded from 8 to 11. We now simply c... — committed to MPh-py/MPh by john-hen 2 years ago

Most upvoted comments

Great! the test now passes with the patch.

Many Thanks for the work, I’ll wait for the release when you’ll have the time.

mchekr on Feb 23, 2022

Hi I confirm that on a linux server mph fails to find the comsol installation. the proposed discovery test returns :

$ python3 tools/test.py discovery --log
Running test group "discovery".
[00:00.138] Checking installation folder "/usr/local/comsol60/multiphysics".
[00:01.060] Reported version info is "COMSOL Multiphysics 6.0.0.318".
[00:01.061] Assigned name "6.0" to this installation.`
[00:01.061] Did not find Java virtual machine.
[00:01.061] Could not locate any Comsol installation.
Traceback (most recent call last):
  File "XXXXX/tests/MPh-main/tests/test_discovery.py", line 40, in <module>
    test_backend()
  File "XXXXX/tests/MPh-main/tests/test_discovery.py", line 25, in test_backend
    backend = mph.discovery.backend()
  File "XXXXX/tests/MPh-main/mph/discovery.py", line 416, in backend
    raise RuntimeError(error)
RuntimeError: Could not locate any Comsol installation.
Failed after 1 s.

tell me if you want additional information

mchekr on Feb 23, 2022

The below holds for Windows 10, COMSOL 6.0: I can confirm that I can run and test everything that does not need a license, and if this is the issue the exception is quite clear.

So if the installation is performed correctly, MPh works with COMSOL 6.0 on either Windows and macOS, I would assume it should work on Linux too.

max3-2 on Feb 11, 2022

Thanks for your quick reply. Now I still use COMSOL 5.6 version, later I’ll try to use COMSOL 6.0 because it’s a significant update and I’m willing to report some info with you to improve MPh.

doub1emint on Jan 20, 2022