[arquillian-issues] [JBoss JIRA] (ARQ-1841) Spacelift can not deal with background process invocation

[Stefan Miklosovic (JIRA)]

Stefan Miklosovic created ARQ-1841:
--------------------------------------

             Summary: Spacelift can not deal with background process invocation
                 Key: ARQ-1841
                 URL: https://issues.jboss.org/browse/ARQ-1841
             Project: Arquillian
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Extension - Spacelift
    Affects Versions: spacelift_1.0.0.Alpha2
            Reporter: Stefan Miklosovic


Let's have this simple script:

{code}
#!/bin/sh
curpath=`dirname $0`
nohup ${curpath}/run_agent.sh $@ > /dev/null & 2>&1
{code}

I execute it like this:

{code}
public class App {
    public static void main(String[] args) throws IOException {

        Tasks.setDefaultExecutionServiceFactory(new DefaultExecutionServiceFactory());

        System.out.println("before");

        Tasks.prepare(CommandTool.class)
            .programName("/bin/bash")
            .parameters("-c", "/tmp/ngrinder-agent/ngrinder-agent/run_agent_bg.sh")
            .execute().await();
        
        System.out.println("after");
    }
}
{code}

So it effectively does this:

{code}
/bin/bash -c "/tmp/ngrinder-agent/ngrinder-agent/run_agent_bg.sh"
{code}

However it never reaches "after" output, that process in the script is started but Spacelift does not send it to the background and it still waits untill it is finished which never happen.

Executing that script directly like following does the job:

{code}
public class App {
    public static void main(String[] args) throws IOException {

        Tasks.setDefaultExecutionServiceFactory(new DefaultExecutionServiceFactory());

        System.out.println("before");

        Runtime.getRuntime().exec("/tmp/ngrinder-agent/ngrinder-agent/run_agent_bg.sh");
        
        System.out.println("after");
    }
}
{code}

Started process survives JVM termination.



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