ConcurrentModificationException : TransferEventSupport needs synchronization
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Key: WAGON-79
URL: http://jira.codehaus.org/browse/WAGON-79
Project: wagon
Issue Type: Bug
Components: wagon-provider-api
Affects Versions: 1.0
Environment: archiva Snapshot
Reporter: nicolas de loof
I get some thraead-safety issues with maven archiva :
2007-04-02 10:11:25,392 [http-8888-1] ERROR [RepositoryServlet] -
"Servlet.service()" pour la servlet RepositoryServlet a généré une exception
java.util.ConcurrentModificationException
at java.util.AbstractList$Itr.checkForComodification(Unknown Source)
at java.util.AbstractList$Itr.next(Unknown Source)
at org.apache.maven.wagon.events.TransferEventSupport.fireTransferProgress
(TransferEventSupport.java:117)
at
org.apache.maven.wagon.AbstractWagon.fireTransferProgress(AbstractWagon.java:350)
There is a thread-safety issue in Wagon TransferEventSupport
The listeners list is an ArrayList and add/remove/fireEvent methods are not
synchronized.
This requires either synchronization or use of a CopyOnWriteArrayList (java5 or
backport).
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