“Java Development Guide” How to use JPA and Spring to manage transactions in MyEclipse? (two)

This tutorial introduces some JPA/spring-based features, focusing on JPA-Spring integration and how to take advantage of these features. You’ll learn how to: Set up a project for JPA and Spring Reverse engineer database tables to generate entities Implement creation, retrieval, editing and deletion functions Enable container-managed transactions In the above (>”>Click here to review>>), we […]

[Solved] PAS deployment: Error when deploying war package generated by myeclipse: The ResourceConfig instance does not contain any root resource classes.

【Problem Description】 An error is reported when PAS6.5 deploys the war package generated by myeclipse, and the error message is as follows: [SEVERE] [] [javax.enterprise.system.tools.deployment.common] [tid: _ThreadID=48 _ThreadName=admin-listener(4)] [timeMillis: 1603876553390] [levelValue: 1000] [[ Exception while invoking class com.sun.enterprise.web.WebApplication start method java.lang.Exception: java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: org.apache.catalina.LifecycleException: com.sun.jersey.api.container.ContainerException: The ResourceConfig instance does not contain any root […]