Stefan Egli created OAK-7495:
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Summary: async,sync index not synchronous
Key: OAK-7495
URL: https://issues.apache.org/jira/browse/OAK-7495
Project: Jackrabbit Oak
Issue Type: Bug
Components: indexing
Affects Versions: 1.6.1
Reporter: Stefan Egli
Attachments: GetJobVerifier.java, slingeventJob.-1.tidy.json
On an oak 1.6.1 (AEM 6.3) a suspicious behaviour was detected, where in Sling
an addJob followed by a getJobById (in a different thread though, but perhaps
would also fail in same thread) was not seeing the job that was just created.
To give a bit more background, in Sling getJobById results in a query. That
query uses an index which is built using {{"async, sync"}}. So the assumption
is that the index is actually synchronous. But a test reproducing initially
mentioned scenario showed the opposite.
Attached:
* [^GetJobVerifier.java] a Sling job test case that has 2 threads: a thread
that does addJob, adds the resulting jobId to a list (synchronized). and a
second thread that reads the jobId off that list and does a getJobById. That
getJobById should find the job, as it was just created (how else could you
figure out the jobId) - but sometimes it FAILs (see system out FAIL)
* [^slingeventJob.-1.tidy.json] the index definition showing it is indeed
"async, sync"
/cc [~catholicon]
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