NullPointerException in AbstractEarMojo.isArtifactRegistered() when module artifact is null
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Assessment
- Difficulty
- 1/5
- Estimated time
- Under an hour
- Newbie friendliness
- 90/100
- Issue type
- Bug
- Clarity
- Clearly specified
- Activity status
- Active
- Tech stack
- java
- Domain
- build-system
Research direction
Open AbstractEarMojo.java around line 317 and inspect isArtifactRegistered(), starting with the documented null behavior of EarModule.getArtifact(). Confirm the change prevents an unresolved module from causing a NullPointerException, then run the relevant Maven tests if available and verify resolved artifacts are still checked.
Written by the indexing model from the issue text.
Description
Description
In AbstractEarMojo.java:317, isArtifactRegistered() can throw a NullPointerException:
return currentList.stream().anyMatch(em -> em.getArtifact().equals(a));
EarModule.getArtifact() is documented as returning null until the artifact is resolved. If a module in currentList has not been resolved, .getArtifact() returns null and null.equals(a) throws an NPE.
Expected behavior
Add a null guard:
return currentList.stream().anyMatch(em -> em.getArtifact() != null && em.getArtifact().equals(a));
- Dominant language
- Java
- Stars
- 14
- Forks
- 29
- Avg merge
- 1d 4h
- Merged PRs (30d)
- 8
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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