Hi all,
I got a ConcurrentModificationException using an aspect but I don't
understand
why. This is the situation: I've got a LazyLoadingCache object
(singleton)
that thru a few synchronized methods allows the insertion/deletion
of entries
in the cache. The cache internally uses a HashMap to store the
information.
Then I've got the following pointcut:
pointcut emptyLazyLoadingCache() :
(execution( public static List
g2.database.mapping.*.loadAll(ProgressObserver) throws
DatabaseException )
||
execution( protected ListTableModel
g2.gui.workers.TableSwingWorker.doInBackground() throws Exception )
)
&&
(! cflow(adviceexecution()) )
;
that catches when a "loadAll" action is issued. The aim is to reset
the cache
for a complete reload of the data. To achieve this, the following
advice is
defined:
before() : emptyLazyLoadingCache(){
Class ownerClass = ...
....
// empty the cache
int refactor = this.llCache.emptyCacheForClass( ownerClass );
}
where llCache is the singleton instance of the cache, and the
emptyCacheForClas method is a synchronized method that performs a
remove on
the hashmap. However, I got the above exception, and I've checked
printing the
thread ids and each time the thread is always the same (that is a
SwingWorker). Any idea about where and how to investigate?
Thanks,
Luca
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