hudson Error - SEVERE: Failed to initialize Hudson
I have installed hudson package in ma linux system.
I am using hudson for the first time, trying to learn about the hudson and its features.
when i give java -jar hudson.war
When I view it in the browser I get the following error.
Status Code: 500
Exception: The error below occurred during context initialisation, so no further requests can be processed:
java.lang.NoClassDefFoundError: hudson.model.Hudson
at java.lang.Class.initializeClass(libgcj.so.7rh)
at hudson.WebAppMain.installLogger(WebAppMain.java:25 9)
at hudson.WebAppMain.contextInitialized(WebAppMain.ja va:114)
at winstone.WebAppConfiguration.(WebAppConfiguration. java:889)
at winstone.HostConfiguration.initWebApp(HostConfigur ation.java:131)
at winstone.HostConfiguration.(HostConfiguration.java :73)
at winstone.HostGroup.initHost(HostGroup.java:85)
at winstone.HostGroup.(HostGroup.java:45)
at winstone.Launcher.(Launcher.java:196)
at winstone.Launcher.main(Launcher.java:391)
at java.lang.reflect.Method.invoke(libgcj.so.7rh)
at Main.main(Main.java:200)
Caused by: java.lang.ClassNotFoundException: java.util.concurrent.CopyOnWriteArrayList not found in java.net.URLClassLoader{urls=[], parent=java.net.URLClassLoader{urls=[file:/tmp/winstone7yw9najar], parent=gnu.gcj.runtime.SystemClassLoader{urls=[file:/usr/lib/hudson/hudson.war], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}}}
at java.net.URLClassLoader.findClass(libgcj.so.7rh)
at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
at winstone.classLoader.WebappClassLoader.loadClass(W ebappClassLoader.java:83)
at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
at java.lang.Class.forName(libgcj.so.7rh)
at java.lang.Class.initializeClass(libgcj.so.7rh)
If anyone knows info about hudson guide me,
Thanks in advance.
