“Error loading plugin manager: TomcatGrailsPlugin” on Grails 2.3 Database Migration

Question

I use Grails 2.3 and the Grails database migration plugin (1.3.6).

When I do grails dbm-update I get the following error. How can I solve this error?

Answer 1

This is a super annoying bug. My application depends on running scripts with run-script and I get the same behavior. Here's what I did as a workaround:

plugins {
    ...
    // grails 2.3.2 and tomcat 7.0.42 cause scripts to not work :( Pass -DnoTomcat=true in the script args to fix this
    if (System.getProperty("noTomcat") == null) {
        build ":tomcat:7.0.42"
    }
}

Then when running your script:

 grails -DnoTomcat=true run-script scripts/MyScript.groovy

Annoying for sure, but at least you can use all the other latest features while awaiting a fix.