Hi all

I'm running tomcat 5.0.30-9 with java 1.5.0_06-b05 on ubuntu
Dapper.

I am trying to receive a callback from worldpay in my application but
this seems to break the session causing an authentication failure when
worldpay initiates the callback.

Here is the dump of the error :
2007/01/24 01:56:57 org.apache.coyote.tomcat5.CoyoteAdapter service
SEVERE: An exception or error occurred in the container during the
request processing java.lang.NullPointerException
    at
org.apache.catalina.realm.UserDatabaseRealm.authenticate (UserDatabaseRealm.java:156)
at
org.apache.catalina.authenticator.BasicAuthenticator.authenticate (BasicAuthenticator.java:129)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke (AuthenticatorBase.java:504)
at
org.apache.catalina.core.StandardValveContext.invokeNext (StandardValveContext.java:102)
at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:520)
at
org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:137)
at
org.apache.catalina.core.StandardValveContext.invokeNext (StandardValveContext.java:104)
at
org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:118)
at
org.apache.catalina.core.StandardValveContext.invokeNext (StandardValveContext.java:102)
at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:520)
at
org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:109)
at
org.apache.catalina.core.StandardValveContext.invokeNext (StandardValveContext.java:104)
at
org.apache.catalina.valves.AccessLogValve.invoke (AccessLogValve.java:535)
at
org.apache.catalina.core.StandardValveContext.invokeNext (StandardValveContext.java:102)
at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:520)
at
org.apache.catalina.core.ContainerBase.invoke (ContainerBase.java:929)
at
org.apache.coyote.tomcat5.CoyoteAdapter.service (CoyoteAdapter.java:160)
at
org.apache.jk.server.JkCoyoteHandler.invoke (JkCoyoteHandler.java:300)
at org.apache.jk.common.HandlerRequest.invoke (HandlerRequest.java:374)
at org.apache.jk.common.ChannelSocket.invoke (ChannelSocket.java:743) at
org.apache.jk.common.ChannelSocket.processConnection (ChannelSocket.java:675)
at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run (Thread.java:595)

Any ideas what I'm doing wrong or what I can do to fix it?

Regards
Wayne Gemmell

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