Theading issue in AsynchronousDataStore causes OutOfMemory exception
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Key: WICKET-4063
URL: https://issues.apache.org/jira/browse/WICKET-4063
Project: Wicket
Issue Type: Bug
Components: wicket
Affects Versions: 1.5.0
Reporter: Robin Shine
Priority: Critical
Considering below time sequence:
1. "entries.offer" is called during "storeData".
2. page saving thread comes in, and poll the entry. Then "entryMap.remove" is
called. Nothing will be removed since entry has not been added to entryMap yet.
3. "entryMap.put" is called during "storeData".
The result is that entries in "entryMap" may never be removed, and the entryMap
can increase infinitely.
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