How do i terminate a process tree from Java?

Question

i am using Runtime.getRuntime().exec() command in Java to start a batch file which in turn starts another process for windows platform.

javaw.exe(Process1)
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Answer 1

With java 9, killing the main process kills the whole process tree. You could do something like this:

Process ptree = Runtime.getRuntime().exec("cmd.exe","/c","xyz.bat");
// wait logic
ptree.destroy();

Please take a look at this blog and check out the Deal with Process Trees example.