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Galder Zamarreño updated ISPN-2008:
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Fix Version/s: 5.2.0.Beta6
(was: 5.2.0.CR1)
Optimistic concurrency in REST server is not using atomic operations
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Key: ISPN-2008
URL:
https://issues.jboss.org/browse/ISPN-2008
Project: Infinispan
Issue Type: Bug
Components: Remote protocols
Affects Versions: 5.1.4.CR1
Reporter: Eugen Dück
Assignee: Galder Zamarreño
Labels: jdg, jdg6
Fix For: 5.2.0.Beta6, 5.2.0.Final
The REST server's optimistic currency control is not atomic. The sequence in e.g. a
PUT request goes like this:
* request.evaluatePreconditions
* cache.put (if preconditions met)
Which is not inside any lock (that would make it pessimistic, anyway), in other words, a
race condition.
This applies to the optimistic variants, i.e. requests carrying 'If-Match' or any
of the other 'If-*' preconditions, of PUT, POST, and DELETE requests.
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