cannot get NTLM to work with a proxying application

[Frank Taffelt]

here is what i think are the relevant logging entries from my CAS 
server, a little bit long but the last few lines seems strange to me:

2007-08-22 13:46:49,529 DEBUG
[org.jasig.cas.web.flow.InitialFlowSetupAction] - Action
'InitialFlowSetupAction' beginning execution
2007-08-22 13:46:49,529 INFO
[org.jasig.cas.web.flow.InitialFlowSetupAction] - Setting ContextPath
for cookies to: /cas
2007-08-22 13:46:49,545 DEBUG
[org.jasig.cas.web.flow.InitialFlowSetupAction] - Placing service in
FlowScope: http://www-int/daisy/test/ext/test/xxxxx
2007-08-22 13:46:49,545 DEBUG
[org.jasig.cas.web.flow.InitialFlowSetupAction] - Action
'InitialFlowSetupAction' completed execution; result is 'success'
2007-08-22 13:46:49,560 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Action
'AuthenticationViaFormAction' beginning execution
2007-08-22 13:46:49,560 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Executing setupForm
2007-08-22 13:46:49,560 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Creating new form
object with name 'credentials'
2007-08-22 13:46:49,560 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Creating new
instance of form object class [class
org.jasig.cas.authentication.principal.UsernamePasswordCredentials]
2007-08-22 13:46:49,560 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Putting form
object of type [class
org.jasig.cas.authentication.principal.UsernamePasswordCredentials] in
scope Flow with name 'credentials'
2007-08-22 13:46:49,560 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Creating new form
errors for object with name 'credentials'
2007-08-22 13:46:49,576 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - No property
editor registrar set, no custom editors to register
2007-08-22 13:46:49,576 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Putting form
errors instance in scope Flash
2007-08-22 13:46:49,576 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Action
'AuthenticationViaFormAction' completed execution; result is 'success'
2007-08-22 13:46:49,576 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Action
'AuthenticationViaFormAction' beginning execution
2007-08-22 13:46:49,576 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Action
'AuthenticationViaFormAction' completed execution; result is 'success'
2007-08-22 13:46:57,576 DEBUG
[org.jasig.cas.web.flow.InitialFlowSetupAction] - Action
'InitialFlowSetupAction' beginning execution
2007-08-22 13:46:57,576 DEBUG
[org.jasig.cas.web.flow.InitialFlowSetupAction] - Placing service in
FlowScope: http://www-int/daisy/test/ext/test/xxxxx
2007-08-22 13:46:57,576 DEBUG
[org.jasig.cas.web.flow.InitialFlowSetupAction] - Action
'InitialFlowSetupAction' completed execution; result is 'success'
2007-08-22 13:46:57,654 INFO
[org.jasig.cas.authentication.AuthenticationManagerImpl] -
AuthenticationHandler:
org.jasig.cas.support.spnego.authentication.handler.support.NtlmAuthenticationHandler 

failed to authenticate the user which provided the following
credentials: Principal is null
2007-08-22 13:46:57,654 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Action
'AuthenticationViaFormAction' beginning execution
2007-08-22 13:46:57,654 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Executing setupForm
2007-08-22 13:46:57,654 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Creating new form
object with name 'credentials'
2007-08-22 13:46:57,654 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Creating new
instance of form object class [class
org.jasig.cas.authentication.principal.UsernamePasswordCredentials]
2007-08-22 13:46:57,654 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Putting form
object of type [class
org.jasig.cas.authentication.principal.UsernamePasswordCredentials] in
scope Flow with name 'credentials'
2007-08-22 13:46:57,654 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Creating new form
errors for object with name 'credentials'
2007-08-22 13:46:57,654 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - No property
editor registrar set, no custom editors to register
2007-08-22 13:46:57,654 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Putting form
errors instance in scope Flash
2007-08-22 13:46:57,654 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Action
'AuthenticationViaFormAction' completed execution; result is 'success'
2007-08-22 13:46:57,654 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Action
'AuthenticationViaFormAction' beginning execution
2007-08-22 13:46:57,654 DEBUG
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - Action
'AuthenticationViaFormAction' completed execution; result is 'success'
2007-08-22 13:46:57,685 DEBUG
[org.jasig.cas.web.flow.InitialFlowSetupAction] - Action
'InitialFlowSetupAction' beginning execution
2007-08-22 13:46:57,685 DEBUG
[org.jasig.cas.web.flow.InitialFlowSetupAction] - Placing service in
FlowScope: http://www-int/daisy/test/ext/test/xxxxx
2007-08-22 13:46:57,685 DEBUG
[org.jasig.cas.web.flow.InitialFlowSetupAction] - Action
'InitialFlowSetupAction' completed execution; result is 'success'
2007-08-22 13:46:57,701 INFO
[org.jasig.cas.authentication.AuthenticationManagerImpl] -
AuthenticationHandler:
org.jasig.cas.support.spnego.authentication.handler.support.NtlmAuthenticationHandler 

successfully authenticated the user which provided the following
credentials: frank
2007-08-22 13:46:57,717 DEBUG
[org.jasig.cas.web.flow.SendTicketGrantingTicketAction] - Action
'SendTicketGrantingTicketAction' beginning execution
2007-08-22 13:46:57,717 DEBUG
[org.jasig.cas.web.flow.SendTicketGrantingTicketAction] - Action
'SendTicketGrantingTicketAction' completed execution; result is 'success'
2007-08-22 13:46:57,717 DEBUG
[org.jasig.cas.web.flow.GenerateServiceTicketAction] - Action
'GenerateServiceTicketAction' beginning execution
2007-08-22 13:46:57,717 INFO
[org.jasig.cas.CentralAuthenticationServiceImpl] - Granted service
ticket [ST-1-I1NGmvMuaFtekL1ZOxYNHni2Rr05LBaDjPI-20] for service
[http://www-int/daisy/test/ext/test/xxxxx] for user [frank]
2007-08-22 13:46:57,717 DEBUG
[org.jasig.cas.web.flow.GenerateServiceTicketAction] - Action
'GenerateServiceTicketAction' completed execution; result is 'success'
2007-08-22 13:46:58,076 DEBUG
[org.jasig.cas.web.flow.InitialFlowSetupAction] - Action
'InitialFlowSetupAction' beginning execution
2007-08-22 13:46:58,076 DEBUG
[org.jasig.cas.web.flow.InitialFlowSetupAction] - Placing service in
FlowScope: https://www-int/daisy/CasProxyServlet
2007-08-22 13:46:58,076 DEBUG
[org.jasig.cas.web.flow.InitialFlowSetupAction] - Action
'InitialFlowSetupAction' completed execution; result is 'success'
2007-08-22 13:46:58,076 ERROR
[org.jasig.cas.support.spnego.authentication.handler.support.NtlmAuthenticationHandler] 

- java.lang.RuntimeException: Null setup prohibited.
java.lang.RuntimeException: Null setup prohibited.
	at
jcifs.smb.SmbComSessionSetupAndX.writeParameterWordsWireFormat(SmbComSessionSetupAndX.java:63)


Frank