Re: Monitoring Tomcat JDBC Connection Pool with JConsole?

[Jerry Malcolm]

Thanks for the info.  But it appears that the mbean:

 org.apache.tomcat.jdbc.pool.jmx.ConnectionPool

is not registered.  I found some code that collects info from this bean, 
and this mbean doesn't even show up when querying jmx in Tomcat.  I am 
running Tomcat 8.5.  I've tried googling and couldn't find any info on 
how to activate this bean.  Can someone explain how to make it show up?


Thanks.

Jerry


On 1/11/2018 3:41 PM, Simon De Uvarow wrote:

"No olvides, no traiciones, lo que llevas bien dentro de ti. No olvides, no
traiciones, lo que siempre te ha hecho vivir."

On Thu, Jan 11, 2018 at 6:47 PM, Jerry Malcolm 
wrote:


I followed the instructions to enable JMX on Tomcat.  I added the
following lines to java config:

-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=8083
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.authenticate=false
-Djava.rmi.server.hostname=localhost

I opened JConsole localhost;8083, and it connected.   I can see CPU, heap,
classes, and thread graphs.  When I look at the MBean tab, I see a Catalina
entry and a "DataSource" entry below that.  Expanding that gives me a ton
of attributes, operations, and notifications for my various datasources.
That's fine.  But what I want is to be able to do is monitor a graph of the
connection pools.  I saw an example graph on a 3rd party web post from
several years ago.  But I can't find anything that shows connection pool
usage graphs in my JConsole.

What am I missing?

Thanks.

Jerry


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Maybe you can try jvisualvm instead of JConsole.
The binary is in the /bin folder of the JAVA_HOME.
You can also add plugins to it. Maybe there is a plugin for your need.

regards,




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Re: Monitoring Tomcat JDBC Connection Pool with JConsole?

[Christopher Schultz]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

Jerry,

Please don't hijack threads. Start a new thread by sending a fresh
message to users@tomcat.apache.org. Don't just reply to an existing
message in the list and change the subject.

- -chris

On 1/11/18 1:47 PM, Jerry Malcolm wrote:
> I followed the instructions to enable JMX on Tomcat.  I added the 
> following lines to java config:
> 
> -Dcom.sun.management.jmxremote 
> -Dcom.sun.management.jmxremote.port=8083 
> -Dcom.sun.management.jmxremote.ssl=false 
> -Dcom.sun.management.jmxremote.authenticate=false 
> -Djava.rmi.server.hostname=localhost
> 
> I opened JConsole localhost;8083, and it connected.   I can see
> CPU, heap, classes, and thread graphs.  When I look at the MBean
> tab, I see a Catalina entry and a "DataSource" entry below that.
> Expanding that gives me a ton of attributes, operations, and
> notifications for my various datasources.  That's fine.  But what I
> want is to be able to do is monitor a graph of the connection
> pools.  I saw an example graph on a 3rd party web post from several
> years ago.  But I can't find anything that shows connection pool
> usage graphs in my JConsole.
> 
> What am I missing?
> 
> Thanks.
> 
> Jerry
> 
> 
> -
>
> 
To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
> 
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Re: Monitoring Tomcat JDBC Connection Pool with JConsole?

[Simon De Uvarow]

"No olvides, no traiciones, lo que llevas bien dentro de ti. No olvides, no
traiciones, lo que siempre te ha hecho vivir."

On Thu, Jan 11, 2018 at 6:47 PM, Jerry Malcolm 
wrote:

> I followed the instructions to enable JMX on Tomcat.  I added the
> following lines to java config:
>
> -Dcom.sun.management.jmxremote
> -Dcom.sun.management.jmxremote.port=8083
> -Dcom.sun.management.jmxremote.ssl=false
> -Dcom.sun.management.jmxremote.authenticate=false
> -Djava.rmi.server.hostname=localhost
>
> I opened JConsole localhost;8083, and it connected.   I can see CPU, heap,
> classes, and thread graphs.  When I look at the MBean tab, I see a Catalina
> entry and a "DataSource" entry below that.  Expanding that gives me a ton
> of attributes, operations, and notifications for my various datasources.
> That's fine.  But what I want is to be able to do is monitor a graph of the
> connection pools.  I saw an example graph on a 3rd party web post from
> several years ago.  But I can't find anything that shows connection pool
> usage graphs in my JConsole.
>
> What am I missing?
>
> Thanks.
>
> Jerry
>
>
> -
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
>
>
Maybe you can try jvisualvm instead of JConsole.
The binary is in the /bin folder of the JAVA_HOME.
You can also add plugins to it. Maybe there is a plugin for your need.

regards,

Monitoring Tomcat JDBC Connection Pool with JConsole?

[Jerry Malcolm]

I followed the instructions to enable JMX on Tomcat.  I added the 
following lines to java config:


-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=8083
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.authenticate=false
-Djava.rmi.server.hostname=localhost

I opened JConsole localhost;8083, and it connected.   I can see CPU, 
heap, classes, and thread graphs.  When I look at the MBean tab, I see a 
Catalina entry and a "DataSource" entry below that.  Expanding that 
gives me a ton of attributes, operations, and notifications for my 
various datasources.  That's fine.  But what I want is to be able to do 
is monitor a graph of the connection pools.  I saw an example graph on a 
3rd party web post from several years ago.  But I can't find anything 
that shows connection pool usage graphs in my JConsole.


What am I missing?

Thanks.

Jerry


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