How To Debug Groovy Script From Shell

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Groovy is a scripting language, so it is possible to run Groovy code without compiling to Java byte code. The necessary condition is that Groovy is installed on your machine. Then, running a Groovy script in a shell looks like the following line.

1groovy TestScript.groovy

Now, something is wrong with the script, only on a special environment. So you want to debug your Groovy script from the shell. Fortunately, it works for Groovy just like for Java. You only have to export the Java options for debugging.

1export JAVA_OPTS="-Xdebug -Xrunjdwp:server=y,transport=dt_socket,address=4000,suspend=y"

Now, we can debug our script running from the shell with our favorite IDE.

1groovy TestScript.groovy
2Listening for transport dt_socket at address: 4000
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