Hi,
I created a custom LoginModule that validates a user based on its SSOToken; if
it's valid, the login is successful. The problem is my LoginModule's
initialize() and login() methods are called twice..
While debugging the code, I noticed the CallbackHandler object received in the
LoginModule's initialize(...) method is a LoginContext$SecureCallbackHandler
object. It looks like this object is a wrapper for my custom callback handler.
This object has a field named ch (comes from Callback Handler, I presume). The
problem is, the first time when my LoginModule is called, this field is set
with my own custom callbackHandler (what I expect it to be), but the second
time it's set with another callback handler (SecurityAssociationHandler).
Because of that, I'm getting the following exception:
...............
javax.security.auth.callback.UnsupportedCallbackException: Unrecognized Callback
at
org.jboss.security.auth.callback.SecurityAssociationHandler.handle(SecurityAssociationHandler.java:128)
at
javax.security.auth.login.LoginContext$SecureCallbackHandler$1.run(LoginContext.java:955)
at java.security.AccessController.doPrivileged(Native Method)
at
javax.security.auth.login.LoginContext$SecureCallbackHandler.handle(LoginContext.java:951)
at
com.xxx.xxx.auth.SsoTokenLoginModule.login(SsoTokenLoginModule.java:121)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
...............
Do you know why is it called twice and what should I do to avoid this exception
?
Thank you in advance !
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