Install Jstack On Ubuntu Jun 2026

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Once jstack is successfully installed, you can generate a thread dump for a running Java process. You'll need the of the target Java application.

Expected output (example for OpenJDK 11): install jstack on ubuntu

To locate the exact binary:

The jstack command is part of the , specifically the openjdk-xx-jdk package (where xx is the Java version). This public link is valid for 7 days

If you are running into issues getting the command to attach, let me know: What are you seeing in the terminal?

jstack -F 12345

This will list all running Java applications with their PIDs and fully qualified class names. 2. Capture the Thread Dump

This respects the ptrace restriction because the tool is executed under the target user‘s identity. Can’t copy the link right now

echo "export PATH=\$PATH:/usr/lib/jvm/java-17-openjdk-amd64/bin" >> ~/.bashrc source ~/.bashrc

This provides similar output to jstack and may be more reliable in certain environments.