[jboss-user] [Beginners Corner] - Re: jmx-console - blank page return

[acastanheira2001]

Peter,

Whenever I hit http://myserver:8080/jmx-console/ it throws in server.log the following:


2008-09-12 15:40:14,845 87133065 WARN  [org.apache.catalina.authenticator.FormAuthenticator] (http-0.0.0.0-8080-4:) Unexpected error forwarding to login page
java.lang.NullPointerException
        at org.apache.catalina.authenticator.FormAuthenticator.forwardToLoginPage(FormAuthenticator.java:316)
        at org.jboss.web.tomcat.security.ExtendedFormAuthenticator.forwardToLoginPage(ExtendedFormAuthenticator.java:141)
        at org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:244)
        at org.jboss.web.tomcat.security.ExtendedFormAuthenticator.authenticate(ExtendedFormAuthenticator.java:86)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:491)
        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
        at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
        at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:393)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:543)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
        at java.lang.Thread.run(Thread.java:595)


Any ideas?

Thanks.


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