How to configure Tomcat Exporter to scrape metrics from Prometheus?

How to configure Tomcat Exporter to scrape metrics from Prometheus?

To setup exporter, follow the steps given below:
  1. Install a standalone Tomcat-sever or as a container as kubernetes cluster.
  2. Download the Tomcat exporter servlet file in .war format from here.
  3. Rename the file as metrics.war and deploy it in the webapps directory inside the tomcat installation directory.
    If Tomcat-server is deployed as a container, use the 'docker cp' commands to copy files as shown below,
    docker cp metrics.war <TOMCAT_CONTAINER_ID>:/usr/local/tomcat/webapps/metrics.war
  4. Download the following jars:
  5. Copy all jars to $CATALINA_BASE/lib directory.
  6. Restart the tomcat server and access http://host:port/metrics link to verify if exporter is working correctly.
To configure, follow the steps given below: 
  1. Open prometheus configuration file under prometheus deployed directory. (Default config file is prometheus.yml)
  2. Under the scrape configs, add the job and exporter as shown below: (To know more about scrape configuration, click here.)



  3. Now restart Prometheus server.
  4. Query some tomcat metrics to verify if Prometheus can scrape metrics through the exporter. 









                    New to ADSelfService Plus?

                      • Related Articles

                      • How to configure Prometheus inside Openshift to scrape necessary metrics for Applications Manager?

                        To setup Prometheus inside a Openshift Cluster and scrape metrics for monitoring the same in Applications Manager, kindly follow the steps given below: Create a new Project "monitor" inside the Desired Cluster to be monitored using the below command. ...
                      • JDBC data not populated for tomcat added by Prometheus

                        To configure JDBC metrics in tomcat exporter 1) Open the below file from tomcat installation directory. $CATALINA_BASE/conf/server.xml 2) Add the following configuration under <GlobalNamingResources> tag in the server.xml file. <Resource ...
                      • How to configure Tomcat Monitor for JBoss 3.2.5?

                        Steps to configure Tomcat Monitor for JBoss 3.2.5 : 1. Append the following script in the 'web.xml' file, present under 'JBoss_Home\server\deploy\jbossweb-tomcat50.sar\ROOT.war\WEB-INF' folder  : <servlet-mapping> <servlet-name>Status ...
                      • Applications Manager default tomcat is down

                        If your Tomcat Monitor is down, it could probably be due to changes in Hostname/IP address of the machine in which Applications Manager is installed. You can verify the same using the steps given below: Navigate to ...
                      • Applications Manager is not collecting data from Tomcat Server.

                        If the proxy settings are configured wrong, then Tomcat Data collection will not happen correctly as Applications Manager uses HTTP requests for data collection from Tomcat Server. Check if you are able to access the Tomcat Server from browser in ...