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  1. #1
    CUEBALL Guest

    Default OX <--> Funambol session problem


    I managed to set up the OX community edition with the latest Funambol-Server. Syncing works perfectly. Unfortunately after some time I cannot login to OX anymore. I keeps saying that the session size exceeded. From the logs I can see that funambol keeps connecting to the OX-server in the background. Unfortunately it does not quit the session after connecting. My first idea was to raise the session limit per user. But isn't there a way to tell the OX-connector to quit the session. Raising the session limit, will not solve the problem, because sometimes the higher limit will also be exceeded.


    SES-0007 Category=8 Message=Max. session size for user 5 in context 1 exceeded exceptionID=2079112937-133
    	at com.openexchange.sessiond.impl.SessionHandler.addSession(SessionHandler.java:248)
    	at com.openexchange.sessiond.impl.SessiondServiceImpl.addSession(SessiondServiceImpl.java:77)
    	at com.openexchange.ajax.Login.doGet(Login.java:191)
    	at com.openexchange.ajax.Login.doPost(Login.java:440)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:616)
    	at com.openexchange.ajax.AJAXServlet.service(AJAXServlet.java:376)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
    	at com.openexchange.ajp13.AJPv13Request.response(AJPv13Request.java:120)
    	at com.openexchange.ajp13.AJPv13RequestHandler.createResponse(AJPv13RequestHandler.java:466)
    	at com.openexchange.ajp13.AJPv13Connection.createResponse(AJPv13Connection.java:197)
    	at com.openexchange.ajp13.AJPv13Listener.run(AJPv13Listener.java:259)
    	at java.lang.Thread.run(Thread.java:595)

  2. #2
    Join Date
    Feb 2007



    this is a protective mechanism to avoid session flooding and server ddos attacks. Only a limited amount of sessions per user (or per server) is allowed. This can be configured at
    # maximum number of concurrent sessions, 0 stands for unlimited
    # maximum number of concurrent sessions per user, a value less than or equal to zero means unlimited
    If you set all limits to "0" an unlimited amount of sessions can be created - unused sessions will time out after a while so if there are not too many users creating many sessions they will expire before problems with too much sessions occur.
    However - i agree that the funambol connector must close its sessions - the question is how many session it produces and if those unclosed sessions are just a one-in-thousand phenomenon or if every session is left unclosed.
    Last edited by Martin Heiland; 01-14-2009 at 01:37 PM.

  3. #3
    CUEBALL Guest


    Dear Martin,

    thank you for the information. I will keep an eye on the ox-connector, if the problem persists.


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