[Backport 4.4.x] Filter out empty repository entries in feature descriptors#2520
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jbonofre merged 1 commit intoapache:karaf-4.4.xfrom Apr 16, 2026
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Empty or whitespace-only <repository> elements in feature XML descriptors cause a RuntimeException from pax-url-mvn (NullArgumentException: Repository spec is empty string) during boot feature installation. Both Features.trim() and RepositoryImpl.getRepositories()/ getResourceRepositories() now discard blank entries instead of passing them through to URI creation. (backport of apache#2515)
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Backport of #2515 to karaf-4.4.x branch.
<repository>elements in feature XML descriptors cause aRuntimeExceptionfrom pax-url-mvn (NullArgumentException: Repository spec is empty string) during boot feature installation.Features.trim()now removes empty strings instead of keeping them in the list.RepositoryImpl.getRepositories()andgetResourceRepositories()now filter out blank entries before callingURI.create().