Hi, The versions were "latest" at the time Wicket 7 was in development (ASM 5.0.x, CGLIB 3.1.x). The current latest of ASM and CGLIB are targeted for Java 8 (ASM 5.1.x, CGLIB 3.2.x). Both ASM and CGLIB do not follow semantic versioning and this leads to confusions like this one.
The solution is simple: do not set the versions in your pom.xml but just use the transitive dependencies coming with wicket-spring. Martin Grigorov Wicket Training and Consulting https://twitter.com/mtgrigorov On Wed, Mar 30, 2016 at 4:00 PM, Marieke Vandamme <marieke.vanda...@tvh.com> wrote: > Hi, > > I'm trying to use wicket 7.2.0 and saw in the migration guide that other > libraries also changed to the latest stable version. > So I also tried this, and the following are used by me now: > - Spring Framework 4.2.5 > - ASM 5.1 > - CGLIB 3.2.1 > > I get the following stacktrace, on which I'm really lost, and could not > find any answer on the internet on.. > Thanks for any help. Kind Regards, Marieke > > javax.servlet.ServletException: net.sf.cglib.core.CodeGenerationException: > java.lang.reflect.InvocationTargetException-->null > at org.apache.wicket.protocol.http.WicketFilter.init(WicketFilter.java:455) > at org.apache.wicket.protocol.http.WicketFilter.init(WicketFilter.java:353) > at > > org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279) > at > > org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260) > at > > org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105) > at > > org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4574) > at > > org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5184) > at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) > at > > org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:726) > at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:702) > at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:697) > at > > org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:579) > at > > org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1744) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) > at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) > at java.util.concurrent.FutureTask.run(FutureTask.java:166) > at > > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:722) > Caused by: net.sf.cglib.core.CodeGenerationException: > java.lang.reflect.InvocationTargetException-->null > at > > net.sf.cglib.core.AbstractClassGenerator.generate(AbstractClassGenerator.java:320) > at net.sf.cglib.proxy.Enhancer.generate(Enhancer.java:445) > at > > net.sf.cglib.core.AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:82) > at > > net.sf.cglib.core.AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:80) > at net.sf.cglib.core.internal.LoadingCache$2.call(LoadingCache.java:54) > at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) > at java.util.concurrent.FutureTask.run(FutureTask.java:166) > at > net.sf.cglib.core.internal.LoadingCache.createEntry(LoadingCache.java:61) > at net.sf.cglib.core.internal.LoadingCache.get(LoadingCache.java:34) > at > > net.sf.cglib.core.AbstractClassGenerator$ClassLoaderData.get(AbstractClassGenerator.java:102) > at > > net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:275) > at net.sf.cglib.proxy.Enhancer.nextInstance(Enhancer.java:643) > at > > net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:279) > at net.sf.cglib.proxy.Enhancer.createHelper(Enhancer.java:433) > at net.sf.cglib.proxy.Enhancer.create(Enhancer.java:304) > at org.apache.wicket.jmx.Initializer.createProxy(Initializer.java:294) > at org.apache.wicket.jmx.Initializer.register(Initializer.java:249) > at org.apache.wicket.jmx.Initializer.init(Initializer.java:192) > at org.apache.wicket.Application.initInitializers(Application.java:741) > at org.apache.wicket.Application.initializeComponents(Application.java:643) > at org.apache.wicket.Application.initApplication(Application.java:949) > at org.apache.wicket.protocol.http.WicketFilter.init(WicketFilter.java:429) > ... 18 more > Caused by: java.lang.reflect.InvocationTargetException > at sun.reflect.GeneratedMethodAccessor53.invoke(Unknown Source) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:601) > at net.sf.cglib.core.ReflectUtils.defineClass(ReflectUtils.java:409) > at > > net.sf.cglib.core.AbstractClassGenerator.generate(AbstractClassGenerator.java:311) > ... 39 more > Caused by: java.lang.LinkageError: loader (instance of > org/apache/catalina/loader/WebappClassLoader): attempted duplicate class > definition for name: "org/apache/wicket/jmx/Application" > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:791) > ... 44 more > > -- > > > **** DISCLAIMER **** > > http://www.tvh.com/glob/en/email-disclaimer > > "This message is delivered to all addressees subject to the conditions > set forth in the attached disclaimer, which is an integral part of this > message." >
