RequestLogger#getRequests throws concurrentmodificationexceptions when used
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Key: WICKET-3874
URL: https://issues.apache.org/jira/browse/WICKET-3874
Project: Wicket
Issue Type: Bug
Components: wicket-core
Affects Versions: 1.5-RC5.1
Reporter: Martijn Dashorst
Fix For: 1.5-RC6
The getRequests() method of the request logger doesn't work at all. It returns
a synchronized list which is wrapped in a unmodifiable list. The contents of
the list is linked list, so whenever you are iterating over the unmodifiable
list, the request logger is updating the underlying linked list—causing
ConcurrentModificationExceptions.
At topicus we worked around this by using a rounded buffer in the request
logger instead of the linked list. This implementation brings improved
statistics to the request logger, such as average request times across the
monitored interval.
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