Hi which version of tomee? How do you run it (plain tomcat setup?)? Did you ensure you didnt package any tomee classes in your app?
Romain Manni-Bucau @rmannibucau <https://twitter.com/rmannibucau> | Blog <http://rmannibucau.wordpress.com> | Github <https://github.com/rmannibucau> | LinkedIn <https://www.linkedin.com/in/rmannibucau> | Tomitriber <http://www.tomitribe.com> 2015-11-11 8:37 GMT-08:00 Kirill Paliy <[email protected]>: > Hi > > I deployed my unpacked EAR in apps directory, it seems deployed with few > warnings, but then JVM exits with following stacktrace, any idea what to > look for? > > java.lang.LinkageError: loader (instance of > sun/misc/Launcher$AppClassLoader): attempted duplicate class definition > for name: "org/apache/tomee/TomEELogConfigurer" > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:760) > at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) > at java.net.URLClassLoader.access$100(URLClassLoader.java:73) > at java.net.URLClassLoader$1.run(URLClassLoader.java:368) > at java.net.URLClassLoader$1.run(URLClassLoader.java:362) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:361) > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) > at java.lang.ClassLoader.loadClass(ClassLoader.java:411) > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > at > org.apache.tomee.catalina.ServerListener.install(ServerListener.java:170) > at > org.apache.tomee.catalina.ServerListener.lifecycleEvent(ServerListener.java:55) > at > org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) > at > org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90) > at > org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:402) > at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:110) > at org.apache.catalina.startup.Catalina.load(Catalina.java:638) > at org.apache.catalina.startup.Catalina.load(Catalina.java:663) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:497) > at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:280) > at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:454) > > > > -- WBR Kir >
