When migrated to 2.3.0.RC1 the bootJar that is created by the bootJar task does not longer contains application classes nor Spring Boot ones. I thought that something was changed because of ...

Could someone pls help me to sort out the issue I'm sure they could, but they'll need some more information. At a minimum, the version of Gradle that you're using and your build.gradle or build.gradle ...

If you face following exception while deploying your application in tomcat:org.apache.catalina.lifecycleexception: failed to start component [standardengine [catalina].standardhost ...