tldr/pages/common/jhsdb.md

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jhsdb

Attach to a Java process or launch a postmortem debugger to analyze the core dump from a crashed Java Virtual Machine. More information: https://manned.org/jhsdb.

  • Print stack and locks information of a Java process:

jhsdb jstack --pid {{pid}}

  • Open a core dump in interactive debug mode:

jhsdb clhsdb --core {{path/to/core_dump}} --exe {{path/to/jdk/bin/java}}

  • Start a remote debug server:

jhsdb debugd --pid {{pid}} --serverid {{optional_unique_id}}

  • Connect to a process in interactive debug mode:

jhsdb clhsdb --pid {{pid}}