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Thread: Mountain Lion iCal issue with ZCS 7.2.0

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  1. #1
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    Default Mountain Lion iCal issue with ZCS 7.2.0

    I upgraded one of my Macs to OS X Mountain Lion. Today, I found out, that iCal communication has changed. I cannot enter nor modify calendar entries which are hosted on a Zimbra server and accessed through the CalDAV protocol. - The same calendar can be updated from a 10.7 OS X Client without any problem.

    So it seems that Mountain Lion changed the way of its communication to CalDAV servers. I get the following error message in iCal: The server responded with “400” to operation CalDAVWriteEntityQueueableOperation.

    In the trace.log, I can see the following entry:

    15:44:46.256:btpool0-9361://my.server.com/dav/user%40server.com/Calendar/02E2EF91-CA7D-4122-84C7-7AB6E3A32F69.ics 10.0.0.231 PUT null; Mac OS X/10.8 (12A269) CalendarAgent/47
    15:44:46.256:btpool0-9361://my.server.com/dav/user%40server.com/Calendar/02E2EF91-CA7D-4122-84C7-7AB6E3A32F69.ics 401 null 0
    15:44:46.312:btpool0-9361://my.server.com/dav/user%40server.com/Calendar/02E2EF91-CA7D-4122-84C7-7AB6E3A32F69.ics 10.0.0.231 PUT null; Mac OS X/10.8 (12A269) CalendarAgent/47
    15:44:46.318:btpool0-9361://my.server.com/dav/user%40server.com/Calendar/02E2EF91-CA7D-4122-84C7-7AB6E3A32F69.ics 400 null 0

    Any idea if this can be fixed somehow?

  2. #2
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    Quote Originally Posted by mfehr View Post
    I get the following error message in iCal: The server responded with “400” to operation CalDAVWriteEntityQueueableOperation.
    Experiencing the same issue... mfehr, did you file a bug report?

  3. #3
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    Default Bug documented 76402

    A bug was just submitted by someone else. I added my findings to the bug for further info.

    Bug 76402 – iCal - Server Responded with Error

  4. #4
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    Yep, same problem after my migration. Until this morning, my calendar access to our Zimbra server was OK, after the upgrade to Mountain Lion, I get the 400 error... :-( (It seems, that every new MAC OS X release breaks the sync between calendar and the Zimbra server... :-( )

  5. #5
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    I have experienced the same issue after doing an upgrade from Lion to Mountain Lion.

    My Fix: Removing the CalDav account from iCal and re-adding it seems to have fixed the issue.

    YMMV....

  6. #6
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    Quote Originally Posted by matt321 View Post
    I have experienced the same issue after doing an upgrade from Lion to Mountain Lion.

    My Fix: Removing the CalDav account from iCal and re-adding it seems to have fixed the issue.

    YMMV....
    Hm, I exactly did this (removing and readding the CalDAV account), but I still have the problem...

  7. #7
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    This is interesting. A co-worker is experiencing the exact same issue but for me, all my iCal problems went away and iCal works great. Free/Busy and changing the calendar an event was on both used to break under Lion but are working great now. I am not seeing this under ML.

    7.1.4_GA_2555

    --
    Marc

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