[Dovecot] net_connect_unix(/var/run/dovecot/dict-server) failed: Resource temporarily unavailable

[Jerrale G]

  On 8/10/2010 3:16 PM, Jerrale G wrote:
> chmod -R 775 /var/run/dovecot
> dovecot &
> Warning: Corrected permissions for login directory /var/run/dovecot/login
> ls -l /var/run/dovecot
> srw-rw-rw- 1 root root       0 Aug 10 15:02 auth-master
> srw------- 1 mail mail       0 Aug 10 15:02 auth-worker.2774
> srwxrwxrwx 1 root root       0 Aug 10 15:02 dict-server
> lrwxrwxrwx 1 root root      17 Aug 10 15:02 dovecot.conf -> 
> /etc/dovecot.conf
> drwxr-x--- 2 root dovecot 4096 Aug 10 15:02 login
> -rw------- 1 root root       5 Aug 10 15:02 master.pid
>
> Everything works, eventually. All mail will sooner or later get 
> delivered, using dovecot LDA from postfix, but these errors rampage 
> the log several times. I recently added managesieve, expires, and 
> finished the quota which I thought was achived by simply having 
> quota_rule as a result of mysql.
>
> Aug 10 15:07:57 server1 dovecot: IMAP(someone at sheltoncomputers.com): 
> read(/var/run/dovecot/dict-server) failed: Timeout after 30 seconds
> Aug 10 15:07:57 server1 dovecot: dict: Fatal: 
> dict_driver_register(mysql): Already registered
> Aug 10 15:08:09 server1 last message repeated 4428 times
>
> On another note, Thunderbird is starting to get on my nerves, sending 
> this message before I was finished.
>
> Here is the relevant config:
>
> dovecot-mysql query:
>
> user_query = SELECT CONCAT('/home/mail/', mailboxes.domain, '/', 
> mailboxes.username, '/') AS home, CONCAT('/home/mail/', 
> mailboxes.domain, '/', mailboxes.username, '/sieve/', 
> mailboxes.username, '.sieve') as sieve, CONCAT('/home/mail/', 
> mailboxes.domain, '/', mailboxes.username, '/sieve/') as sieve_dir, 
> CONCAT('/home/mail/', mailboxes.domain, '/', mailboxes.username, 
> '/mail/') AS maildir, uid AS uid, gid AS gid, 
> CONCAT('maildir:storage=', ROUND(mailboxes.quota/1200), 'M') AS 
> quota_rule, 'Trash:ignore' AS quota_rule2 FROM mail.mailboxes WHERE 
> username = '%n' AND domain = '%d' AND active = '1'
>
> dovecot.conf:
> protocol managesieve {
>    listen = localhost:2001
>    managesieve_implementation_string = dovecot
>    managesieve_logout_format = bytes ( in=%i : out=%o )
>    mail_executable = /usr/libexec/dovecot/managesieve
>    login_executable =  /usr/libexec/dovecot/managesieve-login
> }
>
> auth_debug = no
> auth default {
>
> mechanisms = plain login
>
>   passdb sql {
>     args = /etc/dovecot/dovecot-mysql.conf
> #   scheme = cram-md5
>   }
>   userdb sql {
>     args = /etc/dovecot/dovecot-mysql.conf
>   }
>   user = mail
>   socket listen {
>     client {
>       path = /var/spool/postfix/private/auth
>       user = postfix
>       group = postfix
>       mode = 0660
>     }
>      master {
>     path = /var/run/dovecot/auth-master
>     mode = 0666
>    }
>   }
> }
> dict {
> #  # NOTE: dict process currently runs as root, so this file will be 
> owned as root.
> expire = mysql:/etc/dovecot/dict-expire.conf
> quotadict = mysql:/etc/dovecot/dict-quota.conf
> }
>
> plugin {
> quota = dict:user::proxy::quotadict
>
> expire = Trash 7 Trash/* 7 Spam 30
> expire_dict = proxy::expire
> expire_altmove = * 2555
>
> sieve_global_path = /home/mail/sieve/global.sieve
> sieve_global_dir = /home/mail/sieve
> sieve_dir=/home/mail/%d/%n/sieve
>
> }
>
> As said, everything works, eventually, but mail delivery is delayed a 
> lot.
>
> Thanks,
>
>
> Jerrale G
UPDATE: The expires dictionary was being used correctly as, with one day 
of use, there is 10000 records; I'm going to have to revise the mysql 
indexes for performance.

Jerrale G,

SCA