Can't login with Netscape 4.7

[wmmok]

When I try to upgrade my application to JBoss 4.0.5GA + Tomcat 5.5, the follow error occur when login with Netscape 4.7 client

The error "User took so long to log on the session expired" is occured.

2006-11-08 18:03:54,940 DEBUG [org.apache.catalina.authenticator.FormAuthenticator] Authentication of 'UserA' was successful
2006-11-08 18:03:54,940 DEBUG [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/]] User took so long to log on the session expired
2006-11-08 18:03:54,940 TRACE [org.jboss.web.tomcat.security.ExtendedFormAuthenticator] No Session to store login parameters in
2006-11-08 18:03:54,940 TRACE [org.jboss.security.SecurityAssociation] clear, server=true
2006-11-08 18:03:54,940 ERROR [org.apache.catalina.connector.CoyoteAdapter] An exception or error occurred in the container during the request processing
java.lang.NullPointerException
 at org.jboss.web.tomcat.security.ExtendedFormAuthenticator.authenticate(ExtendedFormAuthenticator.java:104)
 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:416)
 at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
 at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
 at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
 at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
 at java.lang.Thread.run(Thread.java:595)

However, IE and Firefox can login without any problem.

[wmmok]

Problem solved.

It is due to the secure https url which include the port number, 443. For IE and Firefox, it is work but for Netscape 4.7, it will have different session for request with https + 443 and https only.