How to debug scalatra application in IntelliJ Idea? [duplicate]

StackOverflow https://stackoverflow.com/questions/16717928

Question

I can't find any documentation or examples of debugging Scalatra apps in IntelliJ Idea. Is it possible to run the Scalatra app in debug mode to attach the Idea?

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Solution

First. Go to the IDEA an choose edit configurations action:

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On this tab, add new remote configuration:

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Next, run Scalatra with those options:

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For example: 

java 
-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005  -jar **-assembly-**.jar

Now hit the green debug button of your IDEA and enjoy debugging. There might be another ways to run scalatra (e.g. from sbt jetty-run) but generally all you need is to feed those options to the jvm instance.

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