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I am trying to set up kerberos on Appian 7.6, but I am getting following e

foussenik

I am trying to set up kerberos on Appian 7.6, but I am getting following exception.

2015-01-16 20:02:38,529 [ajp-/0.0.0.0:8009-1] WARN org.springframework.security.extensions.kerberos.web.SpnegoAuthenticationProcessingFilter - Negotiate Header was invalid: Negotiate
org.springframework.security.authentication.BadCredentialsException: Kerberos validation not succesfull
          at org.springframework.security.extensions.kerberos.SunJaasKerberosTicketValidator.validateTicket(SunJaasKerberosTicketValidator.java:69)
          at org.springframework.security.extensions.kerberos.KerberosServiceAuthenticationProvider.authenticate(KerberosServiceAuthenticationProvider.java:86)
          at com.appiancorp.suiteapi.security.auth.AuthenticationProviderWrapper.authenticate(AuthenticationProviderWrapper.java:86)
          at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:156)
          at org.springframework.security.extensions.kerberos.web.SpnegoAuthentic...

OriginalPostID-135266

OriginalPostID-135266

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    ... sValidateAction.run(SunJaasKerberosTicketValidator.java:146)
              at org.springframework.security.extensions.kerberos.SunJaasKerberosTicketValidator$KerberosValidateAction.run(SunJaasKerberosTicketValidator.java:136)
              ... 44 more
    Caused by: KrbException: Invalid argument (400) - Cannot find key of appropriate type to decrypt AP REP - RC4 with HMAC
              at sun.security.krb5.KrbApReq.authenticate(KrbApReq.java:273)
              at sun.security.krb5.KrbApReq.<init>(KrbApReq.java:144)
              at sun.security.jgss.krb5.InitSecContextToken.<init>(InitSecContextToken.java:108)
              at sun.security.jgss.krb5.Krb5Context.acceptSecContext(Krb5Context.java:771)
              ... 52 more
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    ... sValidateAction.run(SunJaasKerberosTicketValidator.java:146)
              at org.springframework.security.extensions.kerberos.SunJaasKerberosTicketValidator$KerberosValidateAction.run(SunJaasKerberosTicketValidator.java:136)
              ... 44 more
    Caused by: KrbException: Invalid argument (400) - Cannot find key of appropriate type to decrypt AP REP - RC4 with HMAC
              at sun.security.krb5.KrbApReq.authenticate(KrbApReq.java:273)
              at sun.security.krb5.KrbApReq.<init>(KrbApReq.java:144)
              at sun.security.jgss.krb5.InitSecContextToken.<init>(InitSecContextToken.java:108)
              at sun.security.jgss.krb5.Krb5Context.acceptSecContext(Krb5Context.java:771)
              ... 52 more
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