After deploy the new version of jenkins, I got an error while jenkins was starting, looking at catalina.out I got this:

INFO: Deploying web application archive jenkins.war
Jenkins home directory: /usr/home/jenkins found at: System.getProperty("JENKINS_HOME")
Feb 7, 2012 9:43:56 AM org.apache.catalina.core.ApplicationContext log
INFO: HTMLManager: list: Listing contexts for virtual host 'localhost'
Feb 7, 2012 9:43:57 AM jenkins.InitReactorRunner$1 onAttained
INFO: Started initialization
Feb 7, 2012 9:43:57 AM jenkins.InitReactorRunner$1 onAttained
INFO: Listed all plugins
Feb 7, 2012 9:43:57 AM jenkins.InitReactorRunner$1 onAttained
INFO: Prepared all plugins
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Feb 7, 2012 9:44:02 AM jenkins.InitReactorRunner$1 onAttained
INFO: Started all plugins
Feb 7, 2012 9:44:02 AM jenkins.InitReactorRunner$1 onAttained
INFO: Augmented all extensions
Feb 7, 2012 9:44:02 AM jenkins.InitReactorRunner$1 onAttained
INFO: Loaded all jobs
Feb 7, 2012 9:44:02 AM jenkins.InitReactorRunner$1 onTaskFailed
SEVERE: Failed SSHD.init
java.lang.Error: java.lang.reflect.InvocationTargetException
at hudson.init.InitializerFinder.invoke(InitializerFinder.java:124)
at hudson.init.InitializerFinder$TaskImpl.run(InitializerFinder.java:184)
at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:259)
at jenkins.model.Jenkins$5.runTask(Jenkins.java:812)
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$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.reflect.InvocationTargetException
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:597)
at hudson.init.InitializerFinder.invoke(InitializerFinder.java:120)
... 8 more
Caused by: java.lang.NullPointerException
at org.apache.mina.core.service.SimpleIoProcessorPool.dispose(SimpleIoProcessorPool.java:289)
at org.apache.mina.core.service.SimpleIoProcessorPool.<init>(SimpleIoProcessorPool.java:229)
at org.apache.mina.core.service.SimpleIoProcessorPool.<init>(SimpleIoProcessorPool.java:123)
at org.apache.mina.core.polling.AbstractPollingIoAcceptor.<init>(AbstractPollingIoAcceptor.java:125)
at org.apache.mina.transport.socket.nio.NioSocketAcceptor.<init>(NioSocketAcceptor.java:78)
at org.apache.sshd.SshServer.createAcceptor(SshServer.java:392)
at org.apache.sshd.SshServer.start(SshServer.java:338)
at org.jenkinsci.main.modules.sshd.SSHD.start(SSHD.java:102)
at org.jenkinsci.main.modules.sshd.SSHD.init(SSHD.java:133)
... 13 more
Feb 7, 2012 9:44:02 AM hudson.WebAppMain$2 run
SEVERE: Failed to initialize Jenkins
org.jvnet.hudson.reactor.ReactorException: java.lang.Error: java.lang.reflect.InvocationTargetException
at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:246)
at jenkins.InitReactorRunner.run(InitReactorRunner.java:43)
at jenkins.model.Jenkins.executeReactor(Jenkins.java:823)
at jenkins.model.Jenkins.<init>(Jenkins.java:735)
at hudson.model.Hudson.<init>(Hudson.java:81)
at hudson.model.Hudson.<init>(Hudson.java:77)
at hudson.WebAppMain$2.run(WebAppMain.java:217)
Caused by: java.lang.Error: java.lang.reflect.InvocationTargetException
at hudson.init.InitializerFinder.invoke(InitializerFinder.java:124)
at hudson.init.InitializerFinder$TaskImpl.run(InitializerFinder.java:184)
at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:259)
at jenkins.model.Jenkins$5.runTask(Jenkins.java:812)
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$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.reflect.InvocationTargetException
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:597)
at hudson.init.InitializerFinder.invoke(InitializerFinder.java:120)
... 8 more
Caused by: java.lang.NullPointerException
at org.apache.mina.core.service.SimpleIoProcessorPool.dispose(SimpleIoProcessorPool.java:289)
at org.apache.mina.core.service.SimpleIoProcessorPool.<init>(SimpleIoProcessorPool.java:229)
at org.apache.mina.core.service.SimpleIoProcessorPool.<init>(SimpleIoProcessorPool.java:123)
at org.apache.mina.core.polling.AbstractPollingIoAcceptor.<init>(AbstractPollingIoAcceptor.java:125)
at org.apache.mina.transport.socket.nio.NioSocketAcceptor.<init>(NioSocketAcceptor.java:78)
at org.apache.sshd.SshServer.createAcceptor(SshServer.java:392)
at org.apache.sshd.SshServer.start(SshServer.java:338)
at org.jenkinsci.main.modules.sshd.SSHD.start(SSHD.java:102)
at org.jenkinsci.main.modules.sshd.SSHD.init(SSHD.java:133)
... 13 more
Feb 7, 2012 9:44:02 AM org.jenkinsci.main.modules.sshd.ItemListenerImpl onBeforeShutdown
WARNING: Failed to shutdown SSHD
java.lang.NullPointerException
at org.apache.sshd.SshServer.stop(SshServer.java:362)
at org.jenkinsci.main.modules.sshd.SSHD.stop(SSHD.java:116)
at org.jenkinsci.main.modules.sshd.ItemListenerImpl.onBeforeShutdown(ItemListenerImpl.java:20)
at jenkins.model.Jenkins.cleanUp(Jenkins.java:2449)
at hudson.WebAppMain$2.run(WebAppMain.java:242)
Feb 7, 2012 9:44:02 AM hudson.PluginWrapper stop
INFO: Stopping ant
Feb 7, 2012 9:44:02 AM hudson.PluginWrapper stop
INFO: Stopping javadoc
Feb 7, 2012 9:44:02 AM hudson.PluginWrapper stop
INFO: Stopping git
Feb 7, 2012 9:44:02 AM hudson.PluginWrapper stop
INFO: Stopping xunit
Feb 7, 2012 9:44:02 AM hudson.PluginWrapper stop
INFO: Stopping translation
Feb 7, 2012 9:44:02 AM hudson.PluginWrapper stop
INFO: Stopping ssh-slaves
Feb 7, 2012 9:44:02 AM hudson.PluginWrapper stop
INFO: Stopping cvs
Feb 7, 2012 9:44:02 AM hudson.PluginWrapper stop
INFO: Stopping maven-plugin
Feb 7, 2012 9:44:02 AM hudson.PluginWrapper stop
INFO: Stopping subversion
Exception in thread "pool-9-thread-2" java.lang.NullPointerException
at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:191)
at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:94)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)

Now I can't get into my jenkins.

Any help would be appreciated!

Thanks!