CRUD: To Roo or not to Roo? [closed]

Note that Spring Roo and JBoss Seam aren’t directly comparable, as JBoss Seam in itself doesn’t provide the CRUD application generation mentioned in the question. JBoss Seam however comes with the seam-gen tool, which provides this functionality. It would therefore probably be better to see JBoss Seam as comparable to the Spring framework and compare … Read more

What is Spring Roo?

Spring Roo is a toolchain for rapid development of Java application using all, some or none of those technologies: Spring Spring MVC Spring Security Spring Web Flow AspectJ JPA (Hibernate, EclipseLink, TopLink) JMS (ActiveMQ, etc.) GWT JSPX JSON etc. If you have developped applications with Rails, you will find this application stack oddly familiar, but … Read more

Error in Java Import statement “The import javax.validation.constraints.NotNull cannot be resolved”

I had the same problem. I found out that the recent versions of Spring Boot needs the separate dependency for Validation. I Tried adding below dependency in pom.xml file and it worked. <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-validation</artifactId> </dependency>

Injecting a Spring dependency into a JPA EntityListener

A hack to inject dependencies on stateless beans, is to define the dependency as “static”, create a setter method so that Spring can inject the dependency (assigning it to the static dependency). Declare the dependency as static. static private EvenementPliRepository evenementPliRepository; Create a method so that Spring can inject it. @Autowired public void init(EvenementPliRepository evenementPliRepository) … Read more