Finding threads that are waiting for each other to release locks.
This usually happens when tEnsure both are the same version. Conclusion
On Debian-based systems, you can install the OpenJDK, which includes jstack . download jstack for linux
It is important to note that It is bundled within the JDK. To get jstack , you must install a JDK (like OpenJDK or Oracle JDK) on your Linux system. 1. Check if jstack is Already Installed
If the process is unresponsive and a standard jstack command fails, use the "force" flag: jstack -F 12345 Use code with caution. Troubleshooting Common Issues "Permission Denied" Finding threads that are waiting for each other
If you see a "command not found" error, follow the steps below for your specific Linux distribution. 2. Installing on Ubuntu/Debian (APT)
Use the jps command (also part of the JDK) to find your Java process: jps -l Use code with caution. Example Output: 12345 MySpringBootApplication Step 2: Generate a Thread Dump Run jstack followed by the PID: jstack 12345 Use code with caution. Step 3: Save to a File (Recommended) It is important to note that It is bundled within the JDK
Thread dumps can be massive. It is best practice to pipe the output to a .txt or .log file for analysis: jstack 12345 > thread_dump.txt Use code with caution. Step 4: Forced Thread Dump
Download jstack for Linux: A Complete Guide to Installation and Usage