How to run Jetty via Gradle in Debug Mode

Question

Does anyone know how to configure the jetty gradle plugin to run in debug mode so that I can attach a remote debugger?

I've tried setting the gradle and java opts to:

-Xdebug -Xrunjdwp:transport=dt_socket,address=9999,server=y,suspend=n 

...but it doesn't seem to work.

I'm able to get my own jetty installation working fine, just not via gradle (jettyRun or jettyRunWar).

Regards.

Answer 1

On Linux:

export GRADLE_OPTS="-Xdebug -Xrunjdwp:transport=dt_socket,address=9999,server=y,suspend=n" gradle jettyRun 

On Windows:

set GRADLE_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,address=9999,server=y,suspend=‌​n gradle jettyRun 

Answer 2

Try using Gretty plugin, it provided gradle tasks jettyRunDebug, jettyStartDebug etc.

Source code and doc: https://github.com/akhikhl/gretty

Disclosure: I am author of Gretty plugin.