Trouble Shooting This error happens on bootJar job. Execution failed for task ':bootJar'. > Main class name has not been configured and it could not be resolvedThis is because there is no main class in DAO package. (in My case) In my case, just add one line in dao/build.gradle, and fixed. bootJar.enabled = falseBut, if there is exist main class, just set main class in build.gradle like b..
Trouble Shooting history When I run gradle, I got below message. $ Deprecated Gradle features were used in this build, making it incompatible with Gradle 6.0.So, first I put --warning-mode=all to gradle command like below. $ ./gradlew clean build --warning-mode=allAnd I find DefaultSourceDirectorySet class's constructor has been deprecated (below detail message) Configure project : The Defau..