Isolator Java Agent
The isolator Java agent starts one or more JMX Exporter Java agent jars in isolated classloaders. Use it only when you need multiple independent exporter instances in the same JVM.
Artifacts
Download both jars from the 1.6.0 release:
Argument format
-javaagent:jmx_prometheus_isolator_javaagent-1.6.0.jar=/path/to/exporter1.jar=agentArgs1,/path/to/exporter2.jar=agentArgs2
Each comma-separated item contains the exporter jar path, an equals sign, and the Java agent arguments for that exporter.
Example
java -javaagent:jmx_prometheus_isolator_javaagent-1.6.0.jar=jmx_prometheus_javaagent-1.6.0.jar=9404:exporter.yaml,jmx_prometheus_javaagent-1.6.0.jar=9405:exporter2.yaml -jar your-application.jar
Lifecycle and errors
The isolator agent starts each exporter through an isolated classloader on a daemon startup thread. Startup waits for the implementation timeout and logs a warning if the thread is still alive. A missing, empty, or malformed isolator argument fails startup.