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Thread: Zimbra FOSS 6.0.8 Ldap Crashes suddenly

  1. #1
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    Exclamation Zimbra FOSS 6.0.8 Ldap Crashes suddenly

    Hi

    I had installed the FOSS edition 6.0.8 in REDHAT 5 , but i had found that suddenly zimbra ldap service is getting crash when i had seen the logs of crashing ldap service in zimbra.log its shows folloiwng
    -----------------------------------------------------------------------
    Oct 28 00:22:24 jhpsecurities postfix/proxymap[14203]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't contact LDAP server
    Oct 28 00:22:24 jhpsecurities postfix/trivial-rewrite[14217]: fatal: proxy:ldap:/opt/zimbra/conf/ldap-vad.cf(0,lock|fold_fix): table lookup problem
    Oct 28 00:22:25 jhpsecurities postfix/master[7732]: warning: process /opt/zimbra/postfix/libexec/trivial-rewrite pid 14217 exit status 1
    Oct 28 00:22:26 jhpsecurities postfix/proxymap[15864]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't contact LDAP server
    Oct 28 00:22:26 jhpsecurities last message repeated 2 times
    Oct 28 00:22:26 jhpsecurities postfix/trivial-rewrite[15863]: fatal: proxy:ldap:/opt/zimbra/conf/ldap-vad.cf(0,lock|fold_fix): table lookup problem
    Oct 28 00:22:27 jhpsecurities postfix/smtpd[14202]: warning: problem talking to service rewrite: Success
    Oct 28 00:22:27 jhpsecurities postfix/master[7732]: warning: process /opt/zimbra/postfix/libexec/trivial-rewrite pid 15863 exit status 1
    Oct 28 00:22:27 jhpsecurities postfix/master[7732]: warning: /opt/zimbra/postfix/libexec/trivial-rewrite: bad command startup -- throttling
    Oct 28 00:22:39 jhpsecurities postfix/smtpd[15873]: connect from unknown[10.34.131.201]

    --------------------------------------------------------------------------
    only option i had to start the ldap service again using command as follow
    /opt/zimbra/bin/ldap restart


    please guide me what is an permemnt solution for this becuase i had tried to google a lot but none of solution working here

    waiting for your expert help

    Prasad

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
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    Quote Originally Posted by prasadpimple View Post
    please guide me what is an permemnt solution for this becuase i had tried to google a lot but none of solution working here
    It would help if you actually told us what solutions you've tried. How much RAM on this server and how many users?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
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    Default Ldap Crash Issue

    hi bill

    Hi had tried the following two solutions
    1. creating new self sign certificate generation
    2. run the zmfixperms command via root

    the users in my zimbra server is arround 367 & RAM on the server is 4 GB

    please guide me how to resolved the same

    Prasad

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    Default Ldap Crash again

    Hi

    again my ldap service gone down the logs shows me folloiwng

    --------------------------------------------------------------------------
    Oct 29 11:34:38 jhpsecurities slapd[6497]: connection_input: conn=2412 deferring operation: too many executing
    Oct 29 11:34:38 jhpsecurities slapd[6497]: connection_input: conn=2412 deferring operation: pending operations
    Oct 29 11:34:38 jhpsecurities last message repeated 3 times
    Oct 29 11:34:57 jhpsecurities zimbramon[23801]: 23801:info: zmmtaconfig: Skipping All Reverse Proxy URLs update.
    Oct 29 11:34:57 jhpsecurities zimbramon[23801]: 23801:info: zmmtaconfig: Skipping getAllReverseProxyURLs ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.net.ssl.SSLHandshakeException Remote host closed connection during handshake)
    Oct 29 11:34:59 jhpsecurities zimbramon[23801]: 23801:info: zmmtaconfig: Skipping All Reverse Proxy Backends update.
    Oct 29 11:34:59 jhpsecurities zimbramon[23801]: 23801:info: zmmtaconfig: Skipping getAllReverseProxyBackends ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.naming.CommunicationException jhpsecurities.com:389)
    Oct 29 11:35:01 jhpsecurities zimbramon[23801]: 23801:info: zmmtaconfig: Skipping All Memcached Servers update.
    Oct 29 11:35:01 jhpsecurities zimbramon[23801]: 23801:info: zmmtaconfig: Skipping getAllMemcachedServers ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.naming.CommunicationException jhpsecurities.com:389)
    Oct 29 11:35:03 jhpsecurities zimbramon[23801]: 23801:info: zmmtaconfig: Skipping All MTA Authentication Target URLs update

    Please privode me solution

  5. #5
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    Default Ldap Crash again

    Hi Bill

    can you help for ldap crash issue

    prasad

  6. #6
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    bug 42870 looks similar to what you experience.
    for some, the solution was here:

    Bug 42870 – "Bad file descriptor" SocketException causes system failure every several hours
    YetOpen S.r.l. ~ Your open source partner
    Lecco (LC) - ITALY
    http://www.yetopen.it

  7. #7
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    Hi

    I had put the ulimit in /root/.bashrc file
    its look like follow
    --------------------------------------
    # User specific aliases and functions

    alias rm='rm -i'
    alias cp='cp -i'
    alias mv='mv -i'
    ulimit -n 524288
    # Source global definitions
    if [ -f /etc/bashrc ]; then
    . /etc/bashrc
    fi
    ------------------------------------------

  8. #8
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    Hi Sir

    i had done the setting in .bashrc but after 4 hrs my ldap got crash
    following is the error which i had got /var/log/zimbra.log
    ------------------------------------------------------------------------
    Nov 1 19:19:36 jhpsecurities postfix/trivial-rewrite[21906]: fatal: proxy:ldap:/opt/zimbra/conf/ldap-vad.cf(0,lock|fold_fix): table lookup problem
    Nov 1 19:19:37 jhpsecurities postfix/master[7762]: warning: process /opt/zimbra/postfix/libexec/trivial-rewrite pid 21906 exit status 1
    Nov 1 19:19:38 jhpsecurities postfix/proxymap[12249]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't contact LDAP server
    Nov 1 19:19:38 jhpsecurities last message repeated 2 times
    Nov 1 19:19:38 jhpsecurities postfix/trivial-rewrite[23247]: fatal: proxy:ldap:/opt/zimbra/conf/ldap-vad.cf(0,lock|fold_fix): table lookup problem
    Nov 1 19:19:39 jhpsecurities postfix/smtpd[18969]: warning: problem talking to service rewrite: Success
    Nov 1 19:19:39 jhpsecurities postfix/master[7762]: warning: process /opt/zimbra/postfix/libexec/trivial-rewrite pid 23247 exit status 1
    Nov 1 19:19:39 jhpsecurities postfix/master[7762]: warning: /opt/zimbra/postfix/libexec/trivial-rewrite: bad command startup -- throttling
    Nov 1 19:19:21 jhpsecurities last message repeated 26 times
    Nov 1 19:19:40 jhpsecurities zimbramon[4560]: 4560:info: zmmtaconfig: Skipping Global system configuration update.
    Nov 1 19:19:40 jhpsecurities zimbramon[4560]: 4560:info: zmmtaconfig: gacf ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.naming.CommunicationException jhpsecurities.com:389)
    Nov 1 19:20:07 jhpsecurities postfix/smtpd[6883]: Anonymous TLS connection established from localhost.localdomain[127.0.0.1]: TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)
    Nov 1 19:20:07 jhpsecurities sendmail[24989]: STARTTLS=client, relay=[127.0.0.1], version=TLSv1/SSLv3, verify=FAIL, cipher=DHE-RSA-AES256-SHA, bits=256/256
    Nov 1 19:20:07 jhpsecurities zimbramon[4560]: 4560:info: zmmtaconfig: Skipping Configuration for server jhpsecurities.com update.
    Nov 1 19:20:07 jhpsecurities zimbramon[4560]: 4560:info: zmmtaconfig: gs:jhpsecurities.com ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.naming.CommunicationException jhpsecurities.com:389)
    Nov 1 19:20:07 jhpsecurities zimbramon[4560]: 4560:info: zmmtaconfig: Sleeping...Key lookup failed.
    -------------------------------------------------------------------

    please provide me any another solution for the same
    waiting for your expert reply here

    prasad

  9. #9
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    I would advise you to enable core files, and once you get a core file, let me know.

    Enabling Core Files - Zimbra :: Wiki

    --Quanah
    Quanah Gibson-Mount
    Server Architect
    Zimbra, Inc
    --------------------
    Zimbra :: the leader in open source messaging and collaboration

  10. #10
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    Hi

    as per wirki I had tried the following as per the article in REDHAT 5 32 BIT config

    1. IN /etc/profile file change the value from ulimit -S -c 0 > /dev/null 2>&1
    to ulimit -S -c unlimited > /dev/null 2>&1

    2. in /etc/sysctl.conf i had added kernel.core_pattern=/tmp/core

    also created the directory name core in /tmp folder

    -------------------------------------------------------------------------


    But same error sudenly my ldap service got crash
    error in /var/log/zimbra.log as follow
    Nov 4 21:22:11 jhpsecurities postfix/proxymap[23585]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't contact LDAP server
    Nov 4 21:22:11 jhpsecurities last message repeated 2 times
    Nov 4 21:22:11 jhpsecurities postfix/trivial-rewrite[23584]: fatal: proxy:ldap:/opt/zimbra/conf/ldap-vad.cf(0,lock|fold_fix): table lookup problem
    Nov 4 21:22:11 jhpsecurities postfix/proxymap[23585]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't contact LDAP server
    Nov 4 21:22:11 jhpsecurities last message repeated 2 times
    Nov 4 21:22:11 jhpsecurities postfix/trivial-rewrite[23586]: fatal: proxy:ldap:/opt/zimbra/conf/ldap-vad.cf(0,lock|fold_fix): table lookup problem
    Nov 4 21:22:11 jhpsecurities postfix/proxymap[23585]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't contact LDAP server
    Nov 4 21:22:11 jhpsecurities last message repeated 2 times
    Nov 4 21:22:11 jhpsecurities postfix/trivial-rewrite[23587]: fatal: proxy:ldap:/opt/zimbra/conf/ldap-vad.cf(0,lock|fold_fix): table lookup problem
    Nov 4 21:22:11 jhpsecurities postfix/proxymap[23585]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't contact LDAP server


    Please guide me how can i resolved the issue


    waiting for your kind reply here

    Prasad

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