Jenkins 2.0-rc1 hangs for me when installing plugins. I started it with a new jenkins home:
set JENKINS_HOME=c:\j2
java -jar jenkins-2.0-rc1.war
Copy admin password into localhost:8080
Install suggested plugins
Some plugins install, others just sit and spin. I have left if for over an hour.
There is an exception in the console:
java.lang.InstantiationException: java.lang.NoClassDefFoundError: com/cloudbees/hudson/plugins/folder/AbstractFolderPropertyDescriptor
at net.java.sezpoz.IndexItem.element(IndexItem.java:146)
at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:623)
at hudson.ExtensionFinder$Sezpoz.access$800(ExtensionFinder.java:550)
at hudson.ExtensionFinder$Sezpoz$1.find(ExtensionFinder.java:594)
at hudson.ExtensionFinder$GuiceFinder.refresh(ExtensionFinder.java:329)
at jenkins.model.Jenkins.refreshExtensions(Jenkins.java:2383)
at hudson.PluginManager.dynamicLoad(PluginManager.java:691)
at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:1670)
at hudson.model.UpdateCenter$DownloadJob.run(UpdateCenter.java:1452)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at hudson.remoting.AtmostOneThreadExecutor$Worker.run(AtmostOneThreadExecutor.java:110)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NoClassDefFoundError: com/cloudbees/hudson/plugins/folder/A bstractFolderPropertyDescriptor
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at jenkins.util.AntClassLoader.defineClassFromData(AntClassLoader.java:1139)
at hudson.ClassicPluginStrategy$AntClassLoader2.defineClassFromData(ClassicPluginStrategy.java:895)
at jenkins.util.AntClassLoader.getClassFromStream(AntClassLoader.java:1310)
at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1366)
at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326)
at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at jenkins.ClassLoaderReflectionToolkit.invoke(ClassLoaderReflectionToolkit.java:44)
at jenkins.ClassLoaderReflectionToolkit._findClass(ClassLoaderReflectionToolkit.java:86)
at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:1548)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at net.java.sezpoz.IndexItem.element(IndexItem.java:134)
... 12 more
Caused by: java.lang.ClassNotFoundException: com.cloudbees.hudson.plugins.folder.AbstractFolderPropertyDescriptor
at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1376)
at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326)
at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1079)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 28 more