After a few days archiva starts reporting "Too many files open", regular restart required.

Is there a file descriptor/socket leak?

658829184 [btpool0-4 - Acceptor0 SelectChannelConnector@0.0.0.0:8089] WARN org.mortbay.log - EXCEPTION
java.io.IOException: Too many open files
at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:145)
at org.mortbay.jetty.nio.SelectChannelConnector$1.acceptChannel(SelectChannelConnector.java:75)
at org.mortbay.io.nio.SelectorManager$SelectSet.doSelect(SelectorManager.java:475)
at org.mortbay.io.nio.SelectorManager.doSelect(SelectorManager.java:166)
at org.mortbay.jetty.nio.SelectChannelConnector.accept(SelectChannelConnector.java:124)
at org.mortbay.jetty.AbstractConnector$Acceptor.run(AbstractConnector.java:515)
at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450)
658829185 [btpool0-4 - Acceptor0 SelectChannelConnector@0.0.0.0:8089] WARN org.mortbay.log - EXCEPTION
[same exception]
658829187 [btpool0-4 - Acceptor0 SelectChannelConnector@0.0.0.0:8089] WARN org.mortbay.log - EXCEPTION
[same exception]
658829188 [btpool0-4 - Acceptor0 SelectChannelConnector@0.0.0.0:8089] WARN org.mortbay.log - EXCEPTION
[same exception]
658829190 [btpool0-4 - Acceptor0 SelectChannelConnector@0.0.0.0:8089] WARN org.mortbay.log - EXCEPTION
[same exception]
658829191 [btpool0-4 - Acceptor0 SelectChannelConnector@0.0.0.0:8089] WARN org.mortbay.log - EXCEPTION
[same exception]
658829193 [btpool0-4 - Acceptor0 SelectChannelConnector@0.0.0.0:8089] WARN org.mortbay.log - EXCEPTION
[same exception]
658829195 [btpool0-4 - Acceptor0 SelectChannelConnector@0.0.0.0:8089] WARN org.mortbay.log - EXCEPTION
[same exception]
658829197 [btpool0-4 - Acceptor0 SelectChannelConnector@0.0.0.0:8089] WARN org.mortbay.log - EXCEPTION
[same exception]
658829198 [btpool0-4 - Acceptor0 SelectChannelConnector@0.0.0.0:8089] WARN org.mortbay.log - EXCEPTION
[same exception]
658829200 [btpool0-4 - Acceptor0 SelectChannelConnector@0.0.0.0:8089] WARN org.mortbay.log - EXCEPTION
[same exception]
658829201 [btpool0-4 - Acceptor0 SelectChannelConnector@0.0.0.0:8089] WARN org.mortbay.log - EXCEPTION
[same exception]
658829203 [btpool0-4 - Acceptor0 SelectChannelConnector@0.0.0.0:8089] WARN org.mortbay.log - EXCEPTION
[same exception]
658829204 [btpool0-4 - Acceptor0 SelectChannelConnector@0.0.0.0:8089] WARN org.mortbay.log - EXCEPTION