libopenblas.so.0 not found after install J9.8 in FreeBSD

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Benedict Archer

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Jul 22, 2026, 9:10:56 PM (4 days ago) Jul 22
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Engine: j9.8.0-beta3/j64/freebsd
Build: commercial/2026-06-01T05:38:16/clang-19-1-7/SLEEF=0
Library: 9.8.6
Qt IDE: 2.6.4/6.10.2(6.11.1)
OS Ver: FreeBSD 15.1-RELEASE-p1 15.1-RELEASE-p1
Platform: FreeBSD 64
Installer: j9.8 install
InstallPath: /home/benedict/j9.8

The install script works perfectly except trying to open j-console produces:

Cannot open "/home/benedict/j9.8/bin/libopenblas.so.0"

The link libopenblas.so.0 is in /usr/local/lib

Copying the link keeping all the permissions to j9.8/bin  changes the error message to:

Invalid shared object handle 0x82c835a70

jqt loads and runs okay.  I saw the problem in the last j9.7 betas too, but had upgraded FreeBSD 15.0 to 15.1 at the same time and wasn't sure where the cause of the issue was.

bill lam

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Jul 22, 2026, 11:21:33 PM (3 days ago) Jul 22
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I just tested on github runner freebsd 15.1 and it passed all test and libopenblas.so.0 has been loaded.
 /usr/local/lib should already be inside the ldconfig cache path, if not, try
sudo ldconfig -r


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Benedict Archer

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Jul 23, 2026, 2:07:31 PM (3 days ago) Jul 23
to forum, bill lam
Did this:
#  ldconfig -r  > "ldconfig.out"
# grep  'libopenblas.so.0' /home/benedict/ldconfig.out
        471:-lopenblas.0 => /usr/local/lib/libopenblas.so.0
The list is over 1000 lines.  Scanning by eye I didn't see any other instance  of 'openblas'.

bill lam

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Jul 23, 2026, 10:27:42 PM (2 days ago) Jul 23
to Benedict Archer, forum
There is also one such line in Github runner. If the file location is correct. You should delete the one that you had copied in your home folder, 
and investigate the issue.
You may try remove and then install the openblas package,
the one installed on Github is 

openblas: 0.3.33,2 [FreeBSD-ports]


Benedict Archer

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Jul 24, 2026, 12:37:23 AM (2 days ago) Jul 24
to forum, bill lam, forum, Benedict Archer
Thanks,  I'll do that.  The openblas version I have is the one you list.  Running pkg version tells me that the installed version is more recent than the one that FreeBSD would install from packages.  It seems likely that a version difference is the issue here.
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