Install Jstack On Ubuntu Review

Install jstack on Ubuntu

jstack is a Java utility that provides a snapshot of the Java Virtual Machine (JVM) thread stack traces. It's a useful tool for troubleshooting and diagnosing issues with Java applications.

Search for "deadlock" in the output

grep -i deadlock deadlock_dump.txt

Or use jps (also comes with JDK)

jps -l

Step 5: Verify jstack Installation

Restart your terminal or run source /etc/environment to apply the changes. Then, verify that jstack is installed correctly:

jstack -version

This should output the version of jstack. install jstack on ubuntu

3. Handle Common Errors

Error: "Operation not permitted"

# Use sudo or run as the same user owning the process
sudo jstack <PID>

Error: "Unable to attach to PID"

# Ensure JDK version matches the Java process version
java -version
jstack -version

Install default JDK (includes jstack)

sudo apt install default-jdk