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mcsmear crash because of ECAL geometry #415

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mcsmear crash because of ECAL geometry#415
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staylorjlabsomovalex

Description

@aaust
aaust
opened on Sep 17, 2026

mcsmear for the latest release halld_sim 5.10.0 terminates with the following error message:

terminate called after throwing an instance of 'JException'
  what():  GetSingle<DECALGeometry>: Factory has wrong number of items: 1 expected, 0 found.

It can be seen for example in the latest b1pi test:
https://halldweb.jlab.org/b1pi/2026-09-17/b1pi_ifarm2401.log

It can be reproduced with this command:
mcsmear /volatile/halld/gluex/b1pi/2026-09-17/Linux_Alma9-x86_64-gcc11.5.0/30480/hdgeant.hddm

Thanks to @imoewi01 for the heads up.

Activity

  1. aaust commented on Sep 17, 2026

    @aaust
    aaust
    on Sep 17, 2026
    ContributorAuthor

    It actually works for the runs above 130000 where the ECAL was installed, but crashes for earlier runs. I assume, it is cause by PR #414

  2. aaust
    assigned
    somovalex
    and
    staylorjlab
    on Sep 17, 2026

  3. aaust commented on Sep 17, 2026

    @aaust
    aaust
    on Sep 17, 2026
    ContributorAuthor

    The pull request test already saw this error, but it did not correctly report the result:
    https://pages.jlab.org/halld/-/pull-request-test/-/jobs/94790/artifacts/results/log/hdgeant4.txt

  4. aaust commented on Sep 25, 2026

    @aaust
    aaust
    on Sep 25, 2026
    ContributorAuthor

    Fixed by #416
    b1pi test passed: https://halldweb.jlab.org/b1pi/2026-09-24/b1pi_ifarm2401.log

  5. aaust
    closed this as completedon Sep 25, 2026
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