UpdateChecksum: java.lang.OutOfMemoryError: GC overhead limit exceeded

Jul 6, 2012 4:29:22 AM ClientCommunicatorAdmin Checker-run
WARNING: Failed to check the connection: java.net.SocketTimeoutException: Read timed out
Jul 6, 2012 5:04:50 AM dk.netarkivet.archive.arcrepositoryadmin.ReplicaCacheDatabase addChecksumInformation
WARNING: Found 38 missing files for replica 'CHECKSUMReplica (CS) CSN'.
Exception in thread "Thread-78" java.lang.OutOfMemoryError: GC overhead limit exceeded
at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:79)
at dk.netarkivet.archive.arcrepositoryadmin.ReplicaCacheHelpers.getReplicaFileInfo(ReplicaCacheHelpers.java:862)
at dk.netarkivet.archive.arcrepositoryadmin.ReplicaCacheHelpers.retrieveReplicaFileInfosWithChecksum(ReplicaCacheHelpers.java:894)
at dk.netarkivet.archive.arcrepositoryadmin.ReplicaCacheHelpers.fileChecksumVote(ReplicaCacheHelpers.java:1140)
at dk.netarkivet.archive.arcrepositoryadmin.ReplicaCacheDatabase.updateChecksumStatus(ReplicaCacheDatabase.java:720)
at dk.netarkivet.archive.arcrepository.bitpreservation.DatabaseBasedActiveBitPreservation.findChangedFiles(DatabaseBasedActiveBitPreservation.java:469)
at dk.netarkivet.archive.webinterface.BitpreservationUpdateThread.run(BitpreservationUpdateThread.java:77)