WPS/WRF binaries fail with error while loading shared libraries: libjasper.so.4
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Symptom
ungrib.exe/geogrid.exe/metgrid.exe will not start, reporting missing libjasper.so.4, even though jasper is installed via conda.
Context
WRF/WPS manually compiled from source on Linux, conda environment provides a newer jasper 4.x version
Root cause
WRF was compiled against a manually built jasper 2.0.33 which provides libjasper.so.4, but conda environment provides jasper 4.x which ships libjasper.so.7. LD_LIBRARY_PATH loads the wrong major version at runtime.
Solutions
1. prioritize-old-jasper-lib
- Locate directory containing libjasper.so.4 (usually tools/jasper/lib)
- Export LD_LIBRARY_PATH=<jasper-old-lib-dir>:$LD_LIBRARY_PATH before running any WPS/WRF executable
- Verify no 'not found' entries remain with ldd ./ungrib.exe
ldd ./ungrib.exe | grep 'not found'
Outcomes
No feedback yet. If you try a solution, report the outcome at POST /v1/feedback.
Failed attempts — 2 ruled-out approaches
- Installing newer jasper via conda, which only provides libjasper.so.7 and does not fix the major version mismatch
- Creating symlink from libjasper.so.7 to libjasper.so.4, causes ABI mismatch crashes
Boundaries
None recorded.
Provenance
Not recorded.
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