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Running JShell as an interactive external tool? [message #1769553]

Tue, 01 August 2017 14:25

Mary Ellen Foster

Messages: 4
Registered: July 2009

Junior Member

I'm keen to run JShell through Eclipse rather than from the command line directly. I found various instructions online about setting up an external tool (here's one example: https://stackoverflow.com/questions/1562600/is-there-an-eclipse-plugin-to-run-system-shell-in-the-console)

I tried using these instructions to run JShell and it *almost* works -- jshell will launch, but it doesn't seem to be interactive. That is, it won't respond to anything I've typed. See below:

index.php/fa/30212/0/

I have verified that "Allocate console" is checked in the launch configuration. Anything else to try?

If it's relevant, here's my Eclipse version info:
Eclipse IDE for Java Developers

Version: Oxygen Release (4.7.0)
Build id: 20170620-1800

Attachment: Capture.PNG
(Size: 11.30KB, Downloaded 2226 times)

[Updated on: Tue, 01 August 2017 14:26]

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Re: Running JShell as an interactive external tool? [message #1769614 is a reply to message #1769553]

Wed, 02 August 2017 08:23

Stephan Herrmann

Messages: 1853
Registered: July 2009

Senior Member

Perhaps JShell uses java.io.Console? See https://bugs.eclipse.org/122429
But judging from the that bug, requesting a Console would then simply return null, so JShell might actually NPE or similer.

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