Fix Random LockFailException: Too many waiters error

Fix Random LockFailException: Too many waiters error

   KB 22040        Last updated on 07/11/2015  




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Purpose

A network service error has occurred com.zimbra.cs.mailbox.MailboxLock$LockFailedException: too many waiters

You will see the next error in the log:

"com.zimbra.cs.mailbox.MailboxLock$LockFailedException: too many waiters: 15
 at com.zimbra.cs.mailbox.MailboxLock.lock(MailboxLock.java:187)
 at com.zimbra.cs.mailbox.Mailbox.beginTransaction(Mailbox.java:1710)
 at com.zimbra.cs.mailbox.Mailbox.beginReadTransaction(Mailbox.java:1686)"

Resolution

The solution is increase the attribute "zimbra_mailbox_lock_max_waiting_threads" value :

su - zimbra
zmlocalconfig -e zimbra_mailbox_lock_max_waiting_threads=30
zmmailboxdctl restart

Additional Content

  • No related content


Verified Against: Zimbra Collaboration 8.6, 8.5, 8.0 Date Created: 06/12/2015
Article ID: https://wiki.zimbra.com/index.php?title=Fix_Random_LockFailException:_Too_many_waiters_error Date Modified: 07/11/2015



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Wiki/KB reviewed by SME1 SME2 Copyeditor Last edit by Jorge de la Cruz
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