Hello Christopher.
as you just asked .,
I do have a process with Catalina.
root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/# netstat -tulpn
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State
PID/Program name
tcp6 0 0 :::34753 :::* LISTEN
1/java
tcp6 0 0 :::9109 :::* LISTEN
1/java
tcp6 0 0 :::10109 :::* LISTEN
1/java
root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/# ^C
root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/# ps aux | grep
catalina
root 744 0.0 0.0 6460 680 pts/1 S+ 11:47 0:00 grep
--color=auto catalina
root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/#
Thanks & Regards,
--
SAI VAMSI .B
Senior DevOps Engineer
________________________________
From: Christopher Schultz <ch...@christopherschultz.net>
Sent: Saturday, December 9, 2023 03:27
To: users@tomcat.apache.org <users@tomcat.apache.org>
Subject: Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.
Sai Vamsi,
On 12/8/23 00:43, Bodavula, Sai Vamsi Mohan Krishna (TR Technology) wrote:
> Hey Christopher.,
> Greetings of the day.
>
>
> 1.
> Might I have confused you with posting the arguments directly ., Yeah as i
> just shared you the annotations with comments , to state you the stuff i am
> using., But in my deployment ., I am using them in catalina opts., and trying
> to call them from values.yaml., which looks like this :
>
> javaVMMemoryArgument: "-Xms2048M -Xmx10240M -XX:+UseStringDeduplication
> -XX:+UseContainerSupport -Dcom.sun.management.jmxremote
> -Dcom.sun.management.jmxremote.authenticate=false
> -Dcom.sun.management.jmxremote.ssl=false
> -Dcom.sun.management.jmxremote.local.only=false
> -Dcom.sun.management.jmxremote.port=49151
> -Djava.rmi.server.hostname=lab1workflow4scalsvc2zus1-service.hqm-lab1.svc.cluster.local
> "
>
> and I am referring the word "javaVMMemoryArgument" from values yaml and
> calling it in Catalina_opts, so that it would fetch all these
> annotations as mentioned above, during the deployment. This is my deployment
> part., where I am referring to the above values from values.yaml
> env:
> - name: CATALINA_OPTS
> value: {{ .Values.deployment.javaVMMemoryArgument }}
>
>
>
>
>
> 1.
> Coming to Process., I have searched for Java process that listens on my
> mentioned port ie., 49151, but none of the process is listening to that
> process.
>
> I even tried with
> root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/# netstat -tulpn |
> grep LISTEN
> tcp6 0 0 :::10109 :::* LISTEN
> 1/java
> tcp6 0 0 :::9109 :::* LISTEN
> 1/java
> root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/# netstat -tulpn |
> more
> Active Internet connections (only servers)
> Proto Recv-Q Send-Q Local Address Foreign Address State
> PID/Program name
> tcp6 0 0 :::10109 :::* LISTEN
> 1/java
> tcp6 0 0 :::9109 :::* LISTEN
> 1/java
> root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/# netstat -tulpn |
> grep ':443'netstat -tulpn | grep ':443'^C
> root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/# netstat -tulpn |
> grep ':49151'
> root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/#
>
> which confirms me that , any of the process is being listening on the port
> 49151.
>
> 2.
> I would like to request you to suggest me with a better approach ., where i
> am missing anything in this process!
Good question. What is pid #1? Do those port numbers make any sense for
your Tomcat-based service?
Is Tomcat even running? Try 'ps aux | grep catalina' to see if there are
any. Are you launching Tomcat using catalina.sh / startup.sh or similar?
Or are you running Tomcat "embedded" within your own application?
-chris
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