Hi,

I am using NegotiateScheme for authentication.I am getting following
exception.So ,Please help me out in resolving this.

GSSException: No valid credentials provided (Mechanism level: Failed to find
any Kerberos Ticket)
        at
sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:133)
        at
sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:72)
        at
sun.security.jgss.GSSManagerImpl.getCredentialElement(GSSManagerImpl.java:149)
        at sun.security.jgss.GSSCredentialImpl.add(GSSCredentialImpl.java:389)
        at sun.security.jgss.GSSCredentialImpl.<init>(GSSCredentialImpl.java:60)
        at sun.security.jgss.GSSCredentialImpl.<init>(GSSCredentialImpl.java:37)
        at
sun.security.jgss.GSSManagerImpl.createCredential(GSSManagerImpl.java:96)
        at 
sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:178)
        at 
sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:158)
        at
org.apache.http.impl.auth.NegotiateScheme.authenticate(NegotiateScheme.java:233)
        at com.scraper.authenticate.KerbTest.main(KerbTest.java:149)
org.apache.http.auth.InvalidCredentialsException: No valid credentials
provided
        at
org.apache.http.impl.auth.NegotiateScheme.authenticate(NegotiateScheme.java:259)
        at com.scraper.authenticate.KerbTest.main(KerbTest.java:149)
Caused by: GSSException: No valid credentials provided
        at sun.security.jgss.GSSCredentialImpl.<init>(GSSCredentialImpl.java:69)
        at sun.security.jgss.GSSCredentialImpl.<init>(GSSCredentialImpl.java:37)
        at
sun.security.jgss.GSSManagerImpl.createCredential(GSSManagerImpl.java:96)
        at 
sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:178)
        at 
sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:158)
        at
org.apache.http.impl.auth.NegotiateScheme.authenticate(NegotiateScheme.java:233)
        ... 1 more

Thanks&Regards,
Komali.
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