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MINIFICPP-2782 - Remove resources from class loader on extension unload#2161

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adamdebreceni wants to merge 2 commits intoapache:mainfrom
adamdebreceni:MINIFICPP-2782
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MINIFICPP-2782 - Remove resources from class loader on extension unload#2161
adamdebreceni wants to merge 2 commits intoapache:mainfrom
adamdebreceni:MINIFICPP-2782

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@adamdebreceni
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Thank you for submitting a contribution to Apache NiFi - MiNiFi C++.

In order to streamline the review of the contribution we ask you
to ensure the following steps have been taken:

For all changes:

  • Is there a JIRA ticket associated with this PR? Is it referenced
    in the commit message?

  • Does your PR title start with MINIFICPP-XXXX where XXXX is the JIRA number you are trying to resolve? Pay particular attention to the hyphen "-" character.

  • Has your PR been rebased against the latest commit within the target branch (typically main)?

  • Is your initial contribution a single, squashed commit?

For code changes:

  • If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0?
  • If applicable, have you updated the LICENSE file?
  • If applicable, have you updated the NOTICE file?

For documentation related changes:

  • Have you ensured that format looks appropriate for the output in which it is rendered?

Note:

Please ensure that once the PR is submitted, you check GitHub Actions CI results for build issues and submit an update to your PR as soon as possible.

@szaszm szaszm self-requested a review April 20, 2026 12:42
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@martinzink martinzink left a comment

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This needs a rebase after #2150 , but other than than LGTM 👍

Comment on lines +54 to +55
// on some platforms the dlclose is noop, which does not trigger the static registrar's destruction
// CHECK_FALSE(core::ClassLoader::getDefaultClassLoader().instantiate("DummyProcessor", "dummy"));
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Can we test this on the platforms where it works (e.g. by adding an #ifdef)?

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3 participants