java-native-access / java-native-access/jna
IBM J9 crashes with Direct usage
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- Dominant language
- Java
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- 8.9k
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Description
DirectBufferArgumentsMarshalTest and DirectCallbacksTest each have several failures, nominally reporting "unhandled exception" followed by a VM crash. Tests run against 418a53806ca760267dd5f0fd5bc1661639eac183.
IBM j9
java version "1.6.0"
Java(TM) SE Runtime Environment (build pwi3260sr1-20080416_01(SR1))
IBM J9 VM (build 2.4, J2RE 1.6.0 IBM J9 2.4 Windows XP x86-32 jvmwi3260-20080415
_18762 (JIT enabled, AOT enabled)
J9VM - 20080415_018762_lHdSMr
JIT - r9_20080415_1520
GC - 20080415_AA)
JCL - 20080412_01
Windows XP
Microsoft Windows XP [Version 5.1.2600]
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.
Research direction
Start by running DirectBufferArgumentsMarshalTest and DirectCallbacksTest with the IBM J9 and Windows XP versions listed in the report. Confirm whether the unhandled exceptions and VM crash still occur, then trace the failing tests to identify the cause and document a verified fix or reproduction result.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- operating-systems, testing-qa
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100