microsoft / microsoft/gctoolkit
NPE in com.microsoft.gctoolkit.parser.UnifiedGenerationalParser#remarkPhase
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bug
- Dominant language
- Java
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- Merged PRs (30d)
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Description
concurrentCyclePauseEvent is null
NPE is swallowed by try-catch in com.microsoft.gctoolkit.parser.UnifiedGenerationalParser#process method.
Reproduces with gclogs/unified/parallel/parallelgc.log
Contributor guide
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.
Research direction
Start in com.microsoft.gctoolkit.parser.UnifiedGenerationalParser#process and trace the call to #remarkPhase, using gclogs/unified/parallel/parallelgc.log to reproduce the null concurrentCyclePauseEvent. Confirm the parser handles this input without the NPE being swallowed, and verify the resulting parse completes correctly.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100