RFR: 8254196: jshell infinite loops when startup script contains System.exit call

[Athijegannathan Sundararajan]

On Tue, 23 Mar 2021 12:57:40 GMT, Jan Lahoda <jlahoda at openjdk.org> wrote:

> If the startup script contains `System.exit(0);`, JShell will end up in an infinite loop of remote agent crashing, restarting, startup script running on the new instance, crashing, etc.
> 
> The proposal here is to avoid re-running the script from the beginning after the remote stops during startup. This should be fairly consistent with behavior of options like "/reload". Behavior in other cases should be unmodified.

Marked as reviewed by sundar (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/3150