Spring Application fails to boot -------------------------------- Key: WFLY-10953 URL: https://issues.jboss.org/browse/WFLY-10953 Project: WildFly Issue Type: Bug Components: Class Loading Affects Versions: 13.0.0.Final, 14.0.0.Beta2 Reporter: Giovanni Lovato Assignee: Jason Greene Priority: Major When a Spring {{@Service}} has a {{@Transactional}} method and an {{@Autowired}} constructor, the app fails to boot with this exception: {code} org.springframework.aop.framework.AopConfigException: Unable to instantiate proxy using Objenesis, and regular proxy instantiation via default constructor fails as well; nested exception is java.lang.NoSuchMethodException: com.example.demo.MessageService$$EnhancerBySpringCGLIB$$afee8fff.<init>() at org.springframework.aop.framework.ObjenesisCglibAopProxy.createProxyClassAndInstance(ObjenesisCglibAopProxy.java:82) at org.springframework.aop.framework.CglibAopProxy.getProxy(CglibAopProxy.java:205) ... 44 more Caused by: java.lang.NoSuchMethodException: com.example.demo.MessageService$$EnhancerBySpringCGLIB$$afee8fff.<init>() at java.lang.Class.getConstructor0(Class.java:3302) at java.lang.Class.getDeclaredConstructor(Class.java:2512) at org.springframework.aop.framework.ObjenesisCglibAopProxy.createProxyClassAndInstance(ObjenesisCglibAopProxy.java:76) ... 45 more {code} Removing the {{@Transactional}} method or the injected repository from the service, makes the app start. Worth noting: the app runs fine in WildFly 12.