hot deploy in embedded jetty

Question

I have a Spring Roo project and I use mvn jetty:run to run my app. The only problem is changes to the *.java classes do not hot deploy, while chang

Answer 1

You need to set the scanIntervalSeconds to a value greater than 0 to enable it:

scanIntervalSeconds - The interval in seconds to scan the webapp for changes and restart the context if necessary. Ignored if reload is enabled. Disabled by default. Default value is: 0.

So the configuration might looks like this:

  org.mortbay.jetty
  maven-jetty-plugin
  6.1.22
  
    1
  

Once enabled, the jetty maven plugin will scan the directory defined in classDirecory (which points to ${project.build.outputDirectory} by default i.e. target/classes) for changes.

You then just need to have your IDE compile classes in target/classes (or to run mvn compile) and Jetty will restart the context upon changes on Java classes.