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  • bisana
    Member
    • Jul 2005
    • 87
    #1

    Trying to monitor tomcat

    Hi All,
    I am trying out monitoring Tomcat application server, using JMX
    I am referring the docs
    https://www.zabbix.com/documentation...x_monitoring?s[]=jmx
    did changes in my Java environment.
    Restarted the tomcat server from the host, gave the correct info in JMX definitions for the host entry
    after repeated try also I am not able to connect
    I know somewhere I have gone wrong. Like to cross check
    Like to check with the latest/simple how to do for tomcat monitoring
    Request for url or link for any sample setups which have been done
    Thanks
    Joseph John
    using zabbix 3.2.3 on ubuntu 16.04 LTS
    Tags: None
    • bisana
      Member
      • Jul 2005
      • 87
      #2
      Following steps I have done

      installed zabbix-java-gateway on the zabbix server

      and on the host which I am monitoring, in the tomcat directory/bin
      i created a "setenv.sh"
      with contents
      <code>
      "-Dcom.sun.management.jmxremote\
      -Dcom.sun.management.jmxremote.port=12345\
      -Dcom.sun.management.jmxremote.authenticate=false\
      -Dcom.sun.management.jmxremote.ssl=false"
      </code>

      But when I run tomcat, I am getting the message
      <code>setenv.sh: -Dcom.sun.management.jmxremote-Dcom.sun.management.jmxremote.port=12345-Dcom.sun.management.jmxremote.authenticate=false-Dcom.sun.management.jmxremote.ssl=false: not found

      </code>

      Advice and comments requested
      thanks
      Joseph John

        Comment

        • bisana
          Member
          • Jul 2005
          • 87
          #3
          my setenv file is

          in my host machine, this is what I have given in the "setenv.sh" file

          export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
          export CATALINA_HOME=/home/saji/apache-tomcat-9.0.0.M17/
          export CATALINA_OPTS="-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=12345 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false"

          But in the zabbix server, I am not getting any information from the clients at all
          I am trying to update the progress and see if I can get some advice
          thanks
          Joseph John

            Comment

            • asmoore82
              Junior Member
              • Aug 2024
              • 1
              #4
              Just a minor note for google search results.

              General Tomcat issue: I'm not sure but I don't think you should export out of setenv.sh

              the setenv.sh and catalina.sh mechanisms need to take in all the vars and they decide what to export to child processes.
              CATALINA_OPTS are not exported because they are only used to launch java. Passing extra exports could expose information that shouldn't be exposed.

              ~Adam

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