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  1. #1
    Join Date
    Mar 2008
    Posts
    21

    Default open-xchange-groupware daemon dies after a few hours, NullPointerException

    hi open-xchange experts,

    we are experiencing stability problems with the open-xchange daemon here at the moment so i was wondering if anyone here can help.

    ox runs fine after being restarted, but seems to fail after a while. then, when i try to log in, i get a 503 error response (service temporarily not available). i investigated the situation a little further, this is what i found:

    # /etc/init.d/open-xchange-groupware status
    Checking for service open-xchange-groupware daemon [dead] [FAILED]

    apparently the java process has died. apache complains

    [Fri Mar 27 14:57:59 2009] [error] (111)Connection refused: proxy: AJP: attempt to connect to 127.0.0.1:8009
    (127.0.0.1) failed
    [Fri Mar 27 14:57:59 2009] [error] ap_proxy_connect_backend disabling worker for (127.0.0.1)
    [Fri Mar 27 14:57:59 2009] [error] proxy: AJP: failed to make connection to backend: 127.0.0.1

    in the open-xchange.log.0 i see lots of these:

    Mar 27, 2009 2:14:16 PM com.openexchange.ajax.AJAXServlet service
    SEVERE: null
    java.lang.NullPointerException
    at com.openexchange.groupware.calendar.CachedCalendar Iterator.getPreFilledResult(CachedCalendarIterator .java:256)
    at com.openexchange.groupware.calendar.CachedCalendar Iterator.next(CachedCalendarIterator.java:154)
    at com.openexchange.groupware.calendar.CachedCalendar Iterator.next(CachedCalendarIterator.java:80)
    at com.openexchange.ajax.request.AppointmentRequest.a ctionList(AppointmentRequest.java:536)
    at com.openexchange.ajax.request.AppointmentRequest.a ction(AppointmentRequest.java:204)
    at com.openexchange.ajax.Appointment.doPut(Appointmen t.java:167)
    at javax.servlet.http.HttpServlet.service(HttpServlet .java:619)
    at com.openexchange.ajax.AJAXServlet.service(AJAXServ let.java:380)
    at com.openexchange.ajax.SessionServlet.service(Sessi onServlet.java:152)
    at com.openexchange.ajax.PermissionServlet.service(Pe rmissionServlet.java:98)
    at javax.servlet.http.HttpServlet.service(HttpServlet .java:689)
    at com.openexchange.ajp13.AJPv13RequestHandler.doServ letService(AJPv13RequestHandler.java:575)
    at com.openexchange.ajp13.AJPv13Request.response(AJPv 13Request.java:108)
    at com.openexchange.ajp13.AJPv13RequestHandler.create Response(AJPv13RequestHandler.java:385)
    at com.openexchange.ajp13.AJPv13Connection.createResp onse(AJPv13Connection.java:192)
    at com.openexchange.ajp13.AJPv13Listener.run(AJPv13Li stener.java:245)
    at java.lang.Thread.run(Thread.java:595)
    Mar 27, 2009 2:14:16 PM com.openexchange.ajp13.AJPv13Listener run
    SEVERE: null
    javax.servlet.ServletException
    at com.openexchange.ajax.AJAXServlet.service(AJAXServ let.java:385)
    at com.openexchange.ajax.SessionServlet.service(Sessi onServlet.java:152)
    at com.openexchange.ajax.PermissionServlet.service(Pe rmissionServlet.java:98)
    at javax.servlet.http.HttpServlet.service(HttpServlet .java:689)
    at com.openexchange.ajp13.AJPv13RequestHandler.doServ letService(AJPv13RequestHandler.java:575)
    at com.openexchange.ajp13.AJPv13Request.response(AJPv 13Request.java:108)
    at com.openexchange.ajp13.AJPv13RequestHandler.create Response(AJPv13RequestHandler.java:385)
    at com.openexchange.ajp13.AJPv13Connection.createResp onse(AJPv13Connection.java:192)
    at com.openexchange.ajp13.AJPv13Listener.run(AJPv13Li stener.java:245)
    at java.lang.Thread.run(Thread.java:595)
    Caused by: java.lang.NullPointerException
    at com.openexchange.groupware.calendar.CachedCalendar Iterator.getPreFilledResult(CachedCalendarIterator .java:256)
    at com.openexchange.groupware.calendar.CachedCalendar Iterator.next(CachedCalendarIterator.java:154)
    at com.openexchange.groupware.calendar.CachedCalendar Iterator.next(CachedCalendarIterator.java:80)
    at com.openexchange.ajax.request.AppointmentRequest.a ctionList(AppointmentRequest.java:536)
    at com.openexchange.ajax.request.AppointmentRequest.a ction(AppointmentRequest.java:204)
    at com.openexchange.ajax.Appointment.doPut(Appointmen t.java:167)
    at javax.servlet.http.HttpServlet.service(HttpServlet .java:619)
    at com.openexchange.ajax.AJAXServlet.service(AJAXServ let.java:380)
    ... 9 more

    some information on our installation

    - CentOS 5.2
    - ox Build: 6.8.0-6802, 2009-02-12 16:55:30

    any help would be appreciated.

    thanks in advance and keep up the good work,

    guenter
    Last edited by goofy; 03-27-2009 at 04:18 PM.

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