Here we have a link
http://www.playframework.org/documentation/1.0.1/ide
about how to configure playframework to be working with different IDEs. There they
I had to change this line in my build.sbt from:
fork in run := true
to
fork in run := false
for the breakpoints to work in IntelliJ IDEA 15.0 with the Play 2 App run configuration.
my fix was: open the "Run/Debug Configurations" dialog, then change the "working directory" to the project directory.
With an SBT project, you can debug from the IDE debugger with an SBT Task configuration (Run->Edit Configurations-> Add New Configuration->SBT Task) - with the Tasks setting set to:
"run 9000" "-jvm-debug 9999"
9000 is the site port, 9999 is the default debug port. The quotes are required
Then select the configuration & debug
Works with the community edition (2016.2)