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Thread: "{0}" communication error. Please check port number.

  1. #1
    Join Date
    Aug 2011
    Rep Power

    Default "{0}" communication error. Please check port number.

    Zimbra Desktop asked me to post this debug info in the forum if problem persists. Since the problem persisted, here is the debug info:

    Debug message: Unbuffered entity enclosing request can not be repeated.


    com.zimbra.common.service.ServiceException: system failure: PushChanges.sync
    at com.zimbra.common.service.ServiceException.FAILURE (
    at com.zimbra.cs.mailbox.SyncExceptionHandler.checkRe coverableException(
    at com.zimbra.cs.mailbox.PushChanges.sync(PushChanges .java:378)
    at com.zimbra.cs.mailbox.PushChanges.sync(PushChanges .java:175)
    at com.zimbra.cs.mailbox.MailboxSync.sync(MailboxSync .java:189)
    at com.zimbra.cs.mailbox.OfflineMailbox.sync(OfflineM
    at com.zimbra.cs.mailbox.OfflineMailbox.syncOnTimer(O
    at com.zimbra.cs.mailbox.DesktopMailbox$
    at java.util.TimerThread.mainLoop(Unknown Source)
    at Source)
    Caused by: com.zimbra.cs.zclient.ZClientException: Unbuffered entity enclosing request can not be repeated.
    at com.zimbra.cs.zclient.ZClientException.IO_ERROR(ZC
    at com.zimbra.cs.zclient.ZMailbox.uploadContentAsStre am(
    at com.zimbra.cs.mailbox.PushChanges.uploadMessage(Pu
    at com.zimbra.cs.mailbox.PushChanges.syncMessage(Push
    at com.zimbra.cs.mailbox.PushChanges.sync(PushChanges .java:371)
    ... 7 more
    Caused by: org.apache.commons.httpclient.ProtocolException: Unbuffered entity enclosing request can not be repeated.
    at org.apache.commons.httpclient.methods.EntityEnclos ingMethod.writeRequestBody(EntityEnclosingMethod.j ava:483)
    at org.apache.commons.httpclient.HttpMethodBase.write Request(
    at org.apache.commons.httpclient.HttpMethodBase.execu te(
    at org.apache.commons.httpclient.HttpMethodDirector.e xecuteWithRetry(
    at org.apache.commons.httpclient.HttpMethodDirector.e xecuteMethod(
    at org.apache.commons.httpclient.HttpClient.executeMe thod(
    at org.apache.commons.httpclient.HttpClient.executeMe thod(
    at com.zimbra.cs.zclient.ZMailbox.uploadContentAsStre am(
    ... 10 more

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
    Join Date
    Sep 2005
    Vannes, France
    Rep Power


    If you're still using the version in your profile (1.0.3) then I'd suggest you get yourself updated to the most recent 7.1.2 release of Zimbra Desktop. Make sure you read all the documentation od FAQ for details on how to upgrade and take a backup before you make any changes to your current Zimbra Desktop.


    Acompli: A new adventure for Co-Founder KevinH.

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