Fix Random LockFailException: Too many waiters error
Fix Random LockFailException: Too many waiters error
- This article is a Work in Progress, and may be unfinished or missing sections.
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
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