What is thread dump in Java, how to take thread dump in Java?

Question

I need to call this class from a background thread.

ChartPenData.main(arguments);

How can I do that?

Thread thread = new Thread();
thread = ChartPenData.main(arguments);
thread.run();

Answer 1

A thread dump is a snapshot of the state of all threads that are part of the process. The state of each thread is presented with a so called stack trace, which shows the contents of a thread's stack. Some of the threads belong to the Java application you are running, while others are JVM internal threads.

A thread dump is a list of all the Java threads that are currently active in a Java Virtual Machine (JVM).

There are several ways to take thread dumps from a JVM. It is highly recommended to take more than 1 thread dump. A good practice is to take 10 thread dumps at a regular interval (for example, one thread dump every ten seconds).

A good practice is to take 10 thread dumps at a regular interval (for example, one thread dump every ten seconds).

Step 1: Get the PID of your Java process. The first piece of information you will need to be able to obtain a thread dump is your Java process's PID. ...
Step 2: Request a thread dump from the JVM. jstack.