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From "Chawla, Rachit" <>
Subject RE: SpnegoAuthenticator gives GSSException (Desired initLifetime) wih IBM JDK
Date Wed, 09 Oct 2013 15:28:28 GMT

> Hi All,
> I am struggling on SSO configuration using SPENGO mechanism on Tomcat 7.0.42 but not
able to get it working. We tried on 7.0.29 version too.  Since I get Login Successful in logs,
I assume Kerberos login was successful. Its SpnegoAuthentication that is failing.
> Exception:
> org.ietf.jgss.GSSException, major code: 11,
minor code: 0
>      major string: General failure, unspecified at GSSAPI level
>      minor string: Desired initLifetime zero or less
> Used as reference. On
decompiling SpnegoAuthenticator code, we saw that we are using GSSCredential.DEFAULT_LIFETIME
in createCredential method, which might be the reason for the exception.
> final PrivilegedExceptionAction<GSSCredential> action =
>                  new PrivilegedExceptionAction<GSSCredential>() {
>                      @Override
>                      public GSSCredential run() throws GSSException {
>                          return manager.createCredential(null,
>                                  GSSCredential.DEFAULT_LIFETIME,
>                                  new Oid(""),
>                                  GSSCredential.ACCEPT_ONLY);
>                      }
>                  };


I am using the same source code for my SpnegoAuthenticator with an Oracle JVM on Windows and
a HP VM on HP-UX.

Something must be different/wrong with the JGSS Provider from IBM.

What you could do is download my source [1], change the lifetime to GSSCredential.INDEFINITE_LIFETIME
and see whether it fixes the problem.



Thanks Michael. It did solve the issue. 
Not sure, if it will be acceptable as  a fix,  due to constraints and stuff.

Appreciate the effort :). 

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