instance/tmp/webapps/metrics.war/webapp/,UNAVAILABLE,@Connector-0}{/var/lib/artemis-instance/web/metrics.war}

[svanschalkwyk]

Injecting this into Docker, alongside the opentelemetry-javaagent.jar: Using image apache/activemq-artemis:2.33.0 and injecting the javaagent.jar in the dockerfile.

` activemq-service: build: context: ../../ dockerfile: ./ci/Docker-Images-Local/dockerfile.artemis environment: ARTEMIS_USER: admin ARTEMIS_PASSWORD: admin ANONYMOUS_LOGIN: "false" OTEL_SERVICE_NAME: activemq-service OTEL_TRACES_EXPORTER: otlp OTEL_METRICS_EXPORTER: otlp OTEL_LOGS_EXPORTER: otlp OTEL_EXPORTER_OTLP_ENDPOINT: http://otel-collector:4318 OTEL_EXPORTER_OTLP_PROTOCOL: http/protobuf OTEL_JAVAAGENT_DEBUG: false JAVA_AGENT: https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v2.4.0/opentelemetry-javaagent.jar volumes:

• ./artemis/config:/var/lib/artemis-instance/etc-override
• ./artemis/lib:/var/lib/artemis-instance/lib
• ./artemis/web:/var/lib/artemis-instance/web ports:
• 8161:8161
• 9404:9404
• 1099:1099
• 61616:61616 ` The metrics.war file is in /var/lib/artemis-instance/web, the jar is in the /var/lib/artemis-instance/lib, and the bootstrap.xml and broker.xml are configured.

Receiving this log output:

2024-06-04 22:02:31,673 WARN [org.eclipse.jetty.webapp.WebAppContext] Failed startup of context o.e.j.w.WebAppContext@39595a8{/metrics,file:///var/lib/artemis-instance/tmp/webapps/metrics.war/webapp/,UNAVAILABLE,@Connector-0}{/var/lib/artemis-instance/web/metrics.war} java.lang.NoClassDefFoundError: jakarta/servlet/http/HttpServlet at java.base/java.lang.ClassLoader.defineClass1(Native Method) ~[?:?] at java.base/java.lang.ClassLoader.defineClass(Unknown Source) ~[?:?] at java.base/java.security.SecureClassLoader.defineClass(Unknown Source) ~[?:?] at java.base/java.net.URLClassLoader.defineClass(Unknown Source) ~[?:?] at java.base/java.net.URLClassLoader$1.run(Unknown Source) ~[?:?] at java.base/java.net.URLClassLoader$1.run(Unknown Source) ~[?:?] at java.base/java.security.AccessController.doPrivileged(Unknown Source) ~[?:?] at java.base/java.net.URLClassLoader.findClass(Unknown Source) ~[?:?] at org.eclipse.jetty.webapp.WebAppClassLoader.foundClass(WebAppClassLoader.java:594) ~[jetty-webapp-10.0.20.jar:10.0.20] at org.eclipse.jetty.webapp.WebAppClassLoader.loadAsResource(WebAppClassLoader.java:567) ~[jetty-webapp-10.0.20.jar:10.0.20] at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:502) ~[jetty-webapp-10.0.20.jar:10.0.20] at java.base/java.lang.ClassLoader.loadClass(Unknown Source) ~[?:?] at org.eclipse.jetty.util.Loader.loadClass(Loader.java:59) ~[jetty-util-10.0.20.jar:10.0.20] at org.eclipse.jetty.servlet.BaseHolder.doStart(BaseHol Any ideas how to solve this?

[brusdev]

@svanschalkwyk artemis-prometheus-metrics-plugin 3.x is for future ActiveMQArtemis versions. You can use artemis-prometheus-metrics-plugin 2.1.0 for ActiveMQArtemis 2.33.0, see #29 for further details

[svanschalkwyk]

Thank you @brusdev . Trying now.