I'm trying to deploy Jenkins in Jetty's /webapps. I've copied jenkins.war to this directory, restarted Jetty, but when I point to http://localhost:8080/jenkins, the system warn:

HTTP ERROR: 503 Problem accessing /jenkins. Reason: Service Unavailable

Here is my console log

2012-02-02 09:13:39.912:WARN:oejuc.AbstractLifeCycle:FAILED org.eclipse.jetty.security.ConstraintSecurityHandler@22bbe7: java.lang.IllegalStateException: No LoginService for org.eclipse.jetty.security.authentication.FormAuthenticator@1985384 in org.eclipse.jetty.security.ConstraintSecurityHandler@22bbe7
java.lang.IllegalStateException: No LoginService for org.eclipse.jetty.security.authentication.FormAuthenticator@1985384 in org.eclipse.jetty.security.ConstraintSecurityHandler@22bbe7
    at org.eclipse.jetty.security.authentication.LoginAuthenticator.setConfiguration(LoginAuthenticator.java:44)
    at org.eclipse.jetty.security.authentication.FormAuthenticator.setConfiguration(FormAuthenticator.java:103)
    at org.eclipse.jetty.security.SecurityHandler.doStart(SecurityHandler.java:341)
    at org.eclipse.jetty.security.ConstraintSecurityHandler.doStart(ConstraintSecurityHandler.java:228)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59)
    at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:90)
    at org.eclipse.jetty.server.handler.ScopedHandler.doStart(ScopedHandler.java:97)
    at org.eclipse.jetty.server.session.SessionHandler.doStart(SessionHandler.java:122)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59)
    at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:90)
    at org.eclipse.jetty.server.handler.ScopedHandler.doStart(ScopedHandler.java:97)
    at org.eclipse.jetty.server.handler.ContextHandler.startCont
continuous-integration jetty jenkins
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