Red hat 6.2, jdk1.3.0 beta refresh downloaded from
java.sun.com, dated with 07/10/00, native threads mode.

If one thread creates the process by calling the Runtime.exec() and finish
after that, then other thread always receives IllegalThreadStateException
  calling the exitValue() for this process object.

Note: this isn't reproducible in classic mode.

To reproduce:
- compile test_pr.java
- run in native mode
The program will be forever running.

[tester@twq-infiniti tmp]$ java -version
java version "1.3.0beta_refresh"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.0beta_refresh-b09)
Java HotSpot(TM) Client VM (build 1.3.0beta-b07, mixed mode)
[tester@twq-infiniti tmp]$ java test_pr
checker: Catched the process hasn't exited
checker: Catched the process hasn't exited
checker: Catched the process hasn't exited
checker: Catched the process hasn't exited
checker: Catched the process hasn't exited
checker: Catched the process hasn't exited
checker: Catched the process hasn't exited
checker: Catched the process hasn't exited
checker: Catched the process hasn't exited
checker: Catched the process hasn't exited
checker: Catched the process hasn't exited

[tester@twq-infiniti tmp]$ java -classic test_pr
checker: Catched the process hasn't exited
checker: Exit value is 0
[tester@twq-infiniti tmp]$

=== test_pr.java


public class test_pr {

    Process proc = null;

    public static void main(String argv[]) {

test_pr mon = new test_pr();

starter st = new starter(mon);
st.start();

try {
Thread.currentThread().sleep(2000);
} catch (Exception e) {
System.out.println("main: Interrupted sleep after starter " + e.getMessage());
System.exit(1);
}

checker ck = new checker(mon);
ck.start();

while(true) {
try {
Thread.currentThread().sleep(2000);
} catch (Exception e) {
System.out.println("main: Interrupted sleep " + e.getMessage());
System.exit(1);
}
synchronized(mon){
mon.notifyAll();
}

}
    }

}



class starter extends Thread {
    
    test_pr mon;
    
    starter(test_pr mon) {
this.mon = mon;
    }

    public void run(){
synchronized(mon) {
try {
mon.proc = Runtime.getRuntime().exec("/bin/sleep 6");
} catch (Exception e) {
System.out.println("starter: Can't start the process the " + e.getMessage());
System.exit(1);
}
}
    }
}


class checker extends Thread {

    test_pr mon;

    checker(test_pr mon) {
this.mon = mon;
    }

    public void run(){
while (true) {
synchronized(mon){
try {
mon.wait();
} catch (Exception e) {
System.out.println("checker: Interrupted wait " + e.getMessage());
System.exit(1);
}
try {
int ev = mon.proc.exitValue();
System.out.println("checker: Exit value is "+ev);
System.exit(0);
} catch (IllegalThreadStateException ie) {
System.out.println("checker: Catched the " + ie.getMessage());
}
}
}
    }
}


================
viktor.lapitski@eng 2000-08-29