Johannes Bechberger • 4/20/2026

Calling jcmd Commands Programmatically

This article explains how to programmatically call jcmd commands to obtain information from a running JVM, such as thread dumps and VM arguments. It covers using the Diagnostic MBean via JMX technology, attaching to a JVM with the VirtualMachine class, and starting the local management agent to send commands without spawning a new JVM process. The post includes code examples and a link to the full source code on GitHub, targeting Java developers and IT professionals interested in JVM diagnostics and monitoring.

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#jvm #Java #Jmx