Grails 5 app is constantly redeploying during development

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I had been using Grails 3.3.2 for about 3-4 years now and never had this issue. I just recently started migrating our apps to Grails 5 and now this started happening. Everytime I save a change to a file (gson, groovy, etc) the app redeploys and I have to wait a good 5-6 seconds before I can test it (url becomes available).

In Grails 5 my console looks like this when I make changes:

Grails application running at http://localhost:8081 in environment: development
File C:\Workspaces\Intellij\ecpp\grails-app\controllers\ecpp\service\LookupSvcController.groovy changed, recompiling...
Grails application running at http://localhost:8081 in environment: development
File C:\Workspaces\Intellij\ecpp\grails-app\controllers\ecpp\service\LookupSvcController.groovy changed, recompiling...
Grails application running at http://localhost:8081 in environment: development
File C:\Workspaces\Intellij\ecpp\grails-app\controllers\ecpp\service\LookupSvcController.groovy changed, recompiling...
Grails application running at http://localhost:8081 in environment: development

Each one of those Grails application running [...] lines is a 5+ second delay I have to wait through before the app comes back up

When I would work on my 3.3.2 projects my console would look like this during changes

Grails application running at http://localhost:8081 in environment: development
File C:\Workspaces\Intellij\ecpp\grails-app\controllers\ecpp\service\LookupSvcController.groovy changed, recompiling...
File C:\Workspaces\Intellij\ecpp\grails-app\controllers\ecpp\service\LookupSvcController.groovy changed, recompiling...
File C:\Workspaces\Intellij\ecpp\grails-app\controllers\ecpp\service\LookupSvcController.groovy changed, recompiling...

I never had to wait, I could immediately refresh the page and see the changes. Needless to say, my DEV time has taken a hit having to stop and wait for a redeploy. Is there some configuration I missed while upgrading that I can set to resolve this?

This happens while running the app with gradlew bootRun as well as grailsw run-app

Grails 5.1.7

JDK: 11.0.13

grails
1 Answers

I just recently started migrating our apps to Grails 5 and now this started happening. Everytime I save a change to a file (gson, groovy, etc) the app redeploys and I have to wait a good 5-6 seconds before I can test it (url becomes available).

The behavior you described is expected and by design.

Older versions of Grails were configured by default with a reloading agent. Grails 5 is not. The default behavior you will get with Grails 5 is a recompile and restart. If you don't want that behavior you can remove the devtools from your build.

You didn't ask about configuring a reloading agent but if you are interested, see the Spring Boot Developer Tools and Spring Loaded section at https://docs.grails.org/5.1.7/guide/single.html#upgrading33x.

user_35335840
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