Step 1 – Install JDK
Step 2 – Install & Start Tomcat
Step 3 – Install your apps
Lets use Tomcat’s default example app only. You may have permission issues for accessing http://18.210.16.76:8080/examples/ which can be fixed by following commands below
$ cd /opt/apache-tomcat-9.0.82/webapps/examples
$ find . -name context.xml
$ vi ./META-INF/context.xml
Step 4 – Install NewRelic Infra Agent & APM Agent
NewRelic Infra Agent would detect the Tomcat and Java automatically and try to configure APM Java Agent as per the image as below;
root@ip-172-31-58-86:/etc/newrelic-infra/integrations.d# ls
docker-config.yml java-dynamic-attach.yml
root@ip-172-31-58-86:/etc/newrelic-infra/integrations.d# more java-dynamic-attach.yml
integrations:
- name: java-dynamic-attach
exec: ./dynamic-attach.sh
working_dir: /etc/newrelic-java
interval: 60s
timeout: 1200s
integration_user: root
root@ip-172-31-58-86:/etc/newrelic-infra/integrations.d#
Step 5 -(Manual) Install NewRelic APM Java Agent
Alternative
curl -Ls https://download.newrelic.com/install/newrelic-cli/scripts/install.sh | bash && sudo NEW_RELIC_API_KEY=NRAK-32EHABRB7444 NEW_RELIC_ACCOUNT_ID=3404444 /usr/local/bin/newrelic install -n java-agent-installer
Manual way to set Newrelic APM Agent in Tomcat
$ cd /opt
$ curl -O https://download.newrelic.com/newrelic/java-agent/newrelic-agent/current/newrelic-java.zip
$ unzip newrelic-java.zip
$ cd newrelic
$ mv newrelic.yml newrelic.yml-bkp
$ vi newrelic.yml # COPY PASTE from Download newrelic.yml
$ chmod -R 755 .
$ cd /opt/
$ cd apache-tomcat-9.0.73
$ cd bin
$ vi catalina.sh
export CATALINA_OPTS="$CATALINA_OPTS -javaagent:/opt/newrelic/newrelic/newrelic.jar \
-Dnewrelic.config.file=/path/to/newrelic.yml \
-Dnewrelic.environment=production \
-Dnewrelic.appname=MyApp \
-Dnewrelic.verbose=true \
-Dnewrelic.config.log_file_path=/path/to/newrelic.log"
$ ./shutdown.sh
$ ./startup.sh
$ ps -eaf | grep newrelic.jar
The CATALINA_OPTS
environment variable is used to set Java options for the Tomcat server. The option -javaagent:/opt/newrelic/newrelic/newrelic.jar
is used to load the New Relic Java agent, which enables monitoring of your Tomcat application using New Relic APM.
If you are looking for other options to set in CATALINA_OPTS
to configure the New Relic Java agent, some common options include:
-Dnewrelic.config.file=<path to newrelic.yml>
: This option can be used to specify the path to the New Relic configuration file, which contains settings such as application name, license key, and logging configuration.-Dnewrelic.environment=<environment name>
: This option can be used to specify the name of the environment in which your application is running, such as “production” or “staging”.-Dnewrelic.appname=<application name>
: This option can be used to specify the name of your application as it will appear in the New Relic APM dashboard.-Dnewrelic.verbose=true
: This option can be used to enable verbose logging for the New Relic Java agent.-Dnewrelic.config.log_file_path=<path to log file>
: This option can be used to specify the path to the New Relic log file.
Step 6 – Access the apps
You may create a Traffic on App using Jmeter as below;
Step 7 – Verify a APM apps on NewRelic Dashboard
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