On Sat, Feb 21, 2026 at 9:12 AM Tenenbaum, Peter G. (ARC-TN)[SETI INSTITUTE] via user <[email protected]> wrote: > > Hi there — > > I was looking for a way to get the process ID of a process that gets started > by the DefaultExecutor. From looking at the javadoc, there’s no built-in way > to do it. > > Google recommends that I create a subclass of DefaultExecutor that overrides > the launch() method, such that the Process it returns is interrogated for the > PID. DefaultExecutor isn’t final and launch() is protected, so in principle > this can be done. > > However: > > The only public constructor for DefaultExecutor is deprecated. The > non-deprecated method to instantiate a DefaultExecutor is to use the > DefaultExecutor builder, but AFAICT there’s no way to get this builder to > return a DefaultExecutor subclass. I could subclass the DefaultExecutor > builder, but the DefaultExecutor builder uses a package-private > DefaultExecutor constructor, so my subclass of DefaultExecutor builder can’t > use that constructor. > > In a pinch, I could imagine giving my subclass its own constructor that > emulates the package-private one in DefaultExecutor. Unfortunately, this also > won’t work: all the instance variables are private and there are no protected > setters for them. > > It seems like the intent is there to allow users to subclass DefaultExecutor, > but in practice the only way to do it appears to be the deprecated public > constructor. Am I missing something? > > Is there an easier way to get the PID from a DefaultExecutor?
Hello PT, Have you tried registering an ExecuteWatchdog with a DefaultExecutor? It accepts a Process that you can query. Gary > > Thanks, > -PT --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
