Thomas Mueller created OAK-9796:
-----------------------------------
Summary: oak-segment-remote tests fail with ARM processor (Apple
M1)
Key: OAK-9796
URL: https://issues.apache.org/jira/browse/OAK-9796
Project: Jackrabbit Oak
Issue Type: Improvement
Reporter: Thomas Mueller
Assignee: Thomas Mueller
Fix For: 1.42.0, 1.22.11
In a ARM machine (MacBook with M1 chip) I get a "somewhat" reproducible failure
as follows:
{noformat}
[ERROR] Tests run: 3, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 2.304 s
<<< FAILURE! - in org.apache.jackrabbit.oak.cache.ConcurrentTest
[ERROR] testRandomOperations(org.apache.jackrabbit.oak.cache.ConcurrentTest)
Time elapsed: 1.068 s <<< ERROR!
java.lang.NullPointerException
at
org.apache.jackrabbit.oak.cache.CacheLIRS$Segment.find(CacheLIRS.java:1323)
at org.apache.jackrabbit.oak.cache.CacheLIRS.peek(CacheLIRS.java:263)
at
org.apache.jackrabbit.oak.cache.CacheLIRS.entrySet(CacheLIRS.java:545)
at
org.apache.jackrabbit.oak.cache.CacheLIRS$1.entrySet(CacheLIRS.java:1731)
at
org.apache.jackrabbit.oak.cache.ConcurrentTest$3.run(ConcurrentTest.java:210)
{noformat}
If I slightly change the code (e.g. add try-catch in the find method), then it
no longer fails. I think the problem is the different memory model of ARM
chips, and so e.key is assigned a bit after the entry is added to the array.
Making the key final resolved the issue for me.
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