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I have an .sh file which spawns a simple http server with python3. What I need is to successfully run this file with Jenkins. The job goes "green" but the directory I try to serve with python http server is not available and the browser says "Request failed". ps -a also does not show any python process.
When I run the python command directly on the console the server gets started and ps -a shows the pid of python process. What am I missing?
It sounds like you are running into the Jenkins Process Tree Killer. Basically, when a build finishes, Jenkins kills any processes started by that build, even if those processes were moved to the background.
To stop processes from being killed, set the environment variable BUILD_ID to anything that doesn't contain the string JENKINS, for instance:
BUILD_ID=dontKillMe
If you are using Pipelines instead of Freestyle jobs, the official docs say to change the value of JENKINS_NODE_COOKIE instead, but I use Pipelines and haven't had any issues by altering only BUILD_ID.
More info in the official docs and in the same question on StackOverflow.
&> /dev/null &Can this be the cause?ls -l <shell script> <python script>And if you do not see r-x in the last triad you should make it.