java.util.ConcurrentModificationException: This exception has no message.

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Solutions on the web

via Jive Software Open Source by Gaston Dombiak, 1 year ago
This exception has no message.
via JIRA by Gaston Dombiak, 1 year ago
This exception has no message.
via JIRA by Gaston Dombiak, 1 year ago
This exception has no message.
via Eclipse Bugzilla by steffen.pingel, 1 year ago
via GitHub by astefanyuk
, 9 months ago
This exception has no message.
java.util.ConcurrentModificationException:
at java.util.HashMap$HashIterator.nextEntry(Unknown Source)
at org.jivesoftware.messenger.handler.PresenceUpdateHandler.broadcastUnavailableForDirectedPresences(PresenceUpdateHandler.java:396)
at org.jivesoftware.messenger.handler.PresenceUpdateHandler.process(PresenceUpdateHandler.java:108)
at org.jivesoftware.messenger.handler.PresenceUpdateHandler.process(PresenceUpdateHandler.java:150)
at org.jivesoftware.messenger.SessionManager$ClientSessionListener.onConnectionClose(SessionManager.java:1026)
at org.jivesoftware.messenger.net.SocketConnection.notifyCloseListeners(SocketConnection.java:278)
at org.jivesoftware.messenger.net.SocketConnection.close(SocketConnection.java:224)
at org.jivesoftware.messenger.net.SocketConnection.deliver(SocketConnection.java:252)
at org.jivesoftware.messenger.ClientSession.deliver(ClientSession.java:373)
at org.jivesoftware.messenger.ClientSession.process(ClientSession.java:367)
at org.jivesoftware.messenger.SessionManager.broadcastPresenceToOtherResource(SessionManager.java:446)
at org.jivesoftware.messenger.SessionManager.sessionAvailable(SessionManager.java:411)
at org.jivesoftware.messenger.ClientSession.setPresence(ClientSession.java:335)
at org.jivesoftware.messenger.handler.PresenceUpdateHandler.process(PresenceUpdateHandler.java:93)
at org.jivesoftware.messenger.handler.PresenceUpdateHandler.process(PresenceUpdateHandler.java:150)
at org.jivesoftware.messenger.PresenceRouter.handle(PresenceRouter.java:86)
at org.jivesoftware.messenger.PresenceRouter.route(PresenceRouter.java:59)
at org.jivesoftware.messenger.PacketRouter.route(PacketRouter.java:73)
at org.jivesoftware.messenger.net.SocketReadThread.readStream(SocketReadThread.java:240)
at org.jivesoftware.messenger.net.SocketReadThread.run(SocketReadThread.java:105)

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