WARNING: Failed to load hudson.plugins.emma.EmmaPublisher
java.lang.InstantiationException: file:/weblogic/archiva/hudson/plugins/emma/WEB-INF/classes/META-INF/an
notations/hudson.Extension might need to be rebuilt: java.lang.ClassNotFoundException: hudson.plugins.em
ma.EmmaPublisher
        at net.java.sezpoz.IndexItem.element(IndexItem.java:144)
        at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:611)
        at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:600)
        at hudson.ExtensionFinder._find(ExtensionFinder.java:151)
        at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:296)
        at hudson.ExtensionList.load(ExtensionList.java:295)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:248)
        at hudson.ExtensionList.iterator(ExtensionList.java:138)
        at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:289)
        at hudson.ExtensionList.load(ExtensionList.java:295)
        at hudson.ExtensionList.ensureLoaded(ExtensionList.java:248)
        at hudson.ExtensionList.iterator(ExtensionList.java:138)
        at hudson.ExtensionList.get(ExtensionList.java:129)
        at hudson.diagnosis.NullIdDescriptorMonitor.verifyId(NullIdDescriptorMonitor.java:86)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at hudson.init.InitializerFinder.invoke(InitializerFinder.java:120)
        at hudson.init.InitializerFinder$TaskImpl.run(InitializerFinder.java:184)
        at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:259)
        at jenkins.model.Jenkins$7.runTask(Jenkins.java:883)
        at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:187)
        at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:94)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
        at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.ClassNotFoundException: hudson.plugins.emma.EmmaPublisher
        at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:934)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
        at net.java.sezpoz.IndexItem.element(IndexItem.java:134)
        ... 26 more