Hello list -
I am new to the list and have a question regarding how
metrics work in the jboss-as-7-plugin.
I have a JON 3.1.1 running with EAP plugin pack with a slight
modification of the jboss-as-7-plugin (see lines 8827 - 8835 in
the attached plugin deployment descriptor). I noticed that
jboss-as-5-plugin had sessions metrics included while
jboss-as-7-plugin didn't have those metrics enabled. I needed to
enable those metrics in order to use them to trigger alerts that
will later running a deploy script I wrote.
What I did was basically looking at the Web Context session
in the jboss-as-5-plugin deployment descriptor and copied some
of the metrics I needed that were not included in
jboss-as-7-plugin. So I copied those metrics into the Web
Runtime section of the jboss-as-7-plugin deployment descriptor
as can be seen from the attached xml file. I then proceeded to
deploy the plugin into my JON 3.1.1 install.
I followed all the steps I found on enabling metrics an was
able to enable those metrics for my deployed web application. I
then went to the alert screen and was able to define alert based
on those metrics I included. For example I created an alert on
active sessions count change and another one to be fired when
the active sessions count falls to 0 or below 1. So far I have
not been able to get those alerts to fire. I started wondering
whether there is anything else I needed to modify to get this
working. I just need few pointers on how this used to work in
jboss-as-5-plugin. I looked at the jboss-as-5-plugin code and
the jboss-as-7-plugin code and couldn't spot anything that is
directly related to those metrics. So I decided to post here to
see if anyone who knows the internals of the plugins might be
able to give me few pointers on what else I needed to enable in
order to get those alerts to start firing.
Any help is greatly appreciated.
Regards,
PS I am aware that there is a bug on web deployment metrics
missing AS7-4444 as well as a product management bug
PRODMGT-245.
--
Claudianus
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