API breakage: javassist.util.proxy.RuntimeSupport.findSuperMethod has changed signature --------------------------------------------------------------------------------------- Key: JASSIST-183 URL: https://issues.jboss.org/browse/JASSIST-183 Project: Javassist Issue Type: Bug Affects Versions: 3.17.0-GA, 3.17.1-GA Environment: Seam 2.2.2 / 2.3.0, Java 7u9 Reporter: Andrei Ivanov Assignee: Shigeru Chiba Priority: Blocker Labels: regression Fix For: 3.18.0-GA Checking how some applications run with Java 7, I've tried to upgrade to the newly released Javassist just to notice Seam is no longer working: {noformat} java.lang.NoSuchMethodError: javassist.util.proxy.RuntimeSupport.findSuperMethod(Ljava/lang/Object;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/reflect/Method; at OrderInitializer_$$_javassist_seam_0.writeReplace(OrderInitializer_$$_javassist_seam_0.java) at org.jboss.seam.Component.postConstructJavaBean(Component.java:1461) at org.jboss.seam.Component.postConstruct(Component.java:1379) at org.jboss.seam.Component.newInstance(Component.java:2155) at org.jboss.seam.contexts.Contexts.startup(Contexts.java:304) at org.jboss.seam.contexts.Contexts.startup(Contexts.java:278) at org.jboss.seam.contexts.ServletLifecycle.endInitialization(ServletLifecycle.java:143) at org.jboss.seam.init.Initialization.init(Initialization.java:744) at org.jboss.seam.mock.AbstractSeamTest.startSeam(AbstractSeamTest.java:929) at org.jboss.seam.mock.SeamTest.startSeam(SeamTest.java:69) {noformat}