I have a .jar file which is notorious for malfunctions. When a malfunction occurs, only a restart helps. I have a way to detect that malfunctions (reading the log-file of said .jar) So I want to write a script, that kills the process whenever the malfunction occurs. The problem is:
confus@confusion:~$ ps -A
...
4438 ? 00:00:00 java
4439 ? 00:00:00 java
4443 ? 00:00:00 java
...
The process name of all running .jars is naturally "java". How do I find out, which of these "java"-processes is the one I want to kill, i.e. the one running foobar.jar?
You can run the lsof command, which lists which processes has open files, with your jar file given as an argument. An example viewing a file with less:
egil@mutter:~$ lsof foo.c
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
less 18871 egil 4r REG 8,2 0 53862540 foo.c
egil@mutter:~$
To easily reuse the pid in a script, you could run it in terse mode:
egil@mutter:~$ lsof -t foo.c
18871
Collected from the Internet
Please contact [email protected] to delete if infringement.
Comments