The error is specific to Kerberos authentication, probably something related to setup.
Venkatesh, can you check this? Sent from my iPhone > On Jul 10, 2014, at 7:36 PM, Claudia Nunez <[email protected]> > wrote: > > I¹m having the same problem. What do you mean it should be executed as end > user? Why we don¹t see this error when using simple authentication? > > Thanks > > -Claudia > >> On 7/10/14, 12:35 AM, "Shwetha GS" <[email protected]> wrote: >> >> cli command should be executed as end user >> >> >> On Thu, Jul 10, 2014 at 10:51 AM, Venkat R <[email protected]> >> wrote: >> >>> correction -- after kinit (using falcon user principal), when I run the >>> command, I get "server not found exception". Looks like somthign to do >>> with >>> Kerberos. >>> >>> What kerberos principal should I use when calling CLI command? -- >>> end-user, HTTP or falcon user? >>> >>> Thanks >>> Venkat >>> >>> >>> >>> org.apache.falcon.client.FalconCLIException: Could not authenticate, >>> GSSException: No valid credentials provided (Mechanism level: Server not >>> found in Kerberos database (7) - UNKNOWN_SERVER) >>> at >>> org.apache.falcon.client.FalconClient.getToken(FalconClient.java:166) >>> at >>> org.apache.falcon.client.FalconClient.<init>(FalconClient.java:136) >>> at org.apache.falcon.cli.FalconCLI.run(FalconCLI.java:169) >>> at org.apache.falcon.cli.FalconCLI.main(FalconCLI.java:125) >>> Caused by: >>> >>> org.apache.hadoop.security.authentication.client.AuthenticationException: >>> GSSException: No valid credentials provided (Mechanism level: Server not >>> found in Kerberos database (7) - UNKNOWN_SERVER) >>> at >>> >>> org.apache.hadoop.security.authentication.client.KerberosAuthenticator.do >>> SpnegoSequence(KerberosAuthenticator.java:306) >>> at >>> >>> org.apache.hadoop.security.authentication.client.KerberosAuthenticator.au >>> thenticate(KerberosAuthenticator.java:196) >>> at >>> >>> org.apache.hadoop.security.authentication.client.AuthenticatedURL.openCon >>> nection(AuthenticatedURL.java:232) >>> at >>> org.apache.falcon.client.FalconClient.getToken(FalconClient.java:164) >>> ... 3 more >>> Caused by: GSSException: No valid credentials provided (Mechanism level: >>> Server not found in Kerberos database (7) - UNKNOWN_SERVER) >>> at >>> sun.security.jgss.krb5.Krb5Context.initSecContext(Krb5Context.java:663) >>> at >>> sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:230) >>> at >>> sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:162) >>> at >>> >>> org.apache.hadoop.security.authentication.client.KerberosAuthenticator$1. >>> run(KerberosAuthenticator.java:285) >>> at >>> >>> org.apache.hadoop.security.authentication.client.KerberosAuthenticator$1. >>> run(KerberosAuthenticator.java:261) >>> at java.security.AccessController.doPrivileged(Native Method) >>> at javax.security.auth.Subject.doAs(Subject.java:396) >>> at >>> >>> org.apache.hadoop.security.authentication.client.KerberosAuthenticator.do >>> SpnegoSequence(KerberosAuthenticator.java:261) >>> ... 6 more >>> Caused by: KrbException: Server not found in Kerberos database (7) - >>> UNKNOWN_SERVER >>> at sun.security.krb5.KrbTgsRep.<init>(KrbTgsRep.java:64) >>> at sun.security.krb5.KrbTgsReq.getReply(KrbTgsReq.java:185) >>> at >>> >>> sun.security.krb5.internal.CredentialsUtil.serviceCreds(CredentialsUtil.j >>> ava:294) >>> at >>> >>> sun.security.krb5.internal.CredentialsUtil.acquireServiceCreds(Credential >>> sUtil.java:106) >>> at >>> sun.security.krb5.Credentials.acquireServiceCreds(Credentials.java:557) >>> at >>> sun.security.jgss.krb5.Krb5Context.initSecContext(Krb5Context.java:594) >>> ... 13 more >>> Caused by: KrbException: Identifier doesn't match expected value (906) >>> at sun.security.krb5.internal.KDCRep.init(KDCRep.java:133) >>> at sun.security.krb5.internal.TGSRep.init(TGSRep.java:58) >>> at sun.security.krb5.internal.TGSRep.<init>(TGSRep.java:53) >>> at sun.security.krb5.KrbTgsRep.<init>(KrbTgsRep.java:46) >>> ... 18 more >>> Error: Unable to initialize Falcon Client object >>> >>> >>> On Wednesday, July 9, 2014 9:55 PM, Venkat R >>> <[email protected]> >>> wrote: >>> >>> >>> >>> Hi All, >>> >>> Running >>> bin/falcon admin -status >>> throws the following GSSException. >>> I have enabled kerberos for service and >>> SPNEGO (disabled SSL and bin/falcon-start -port 15000). >>> I'm able to access the falcon URL via Firefox, but not via CLI. >>> is there something i'm missing any parameter while calling CLI? >>> >>> appreciate any help. >>> Thanks >>> >>> ---- startup.properties ---- >>> >>> >>> *.falcon.authentication.type=kerberos >>> ##### Service Configuration >>> *.falcon.service.authentication.kerberos.principal=dm/_ >>> [email protected] >>> >>> >>> *.falcon.service.authentication.kerberos.keytab=/export/apps/hadoop/keyta >>> bs/dm.keytab >>> *.dfs.namenode.kerberos.principal=hdfs/[email protected] >>> >>> ##### SPNEGO Configuration >>> *.falcon.http.authentication.type=kerberos >>> *.falcon.http.authentication.kerberos.principal=HTTP/_ >>> [email protected] >>> >>> >>> *.falcon.http.authentication.kerberos.keytab=/export/apps/hadoop/keytabs/ >>> dm.keytab >>> *.falcon.http.authentication.token.validity=36000 >>> *.falcon.http.authentication.signature.secret=falcon >>> *.falcon.http.authentication.simple.anonymous.allowed=true >>> *.falcon.http.authentication.kerberos.name.rules=DEFAULT >>> *.falcon.http.authentication.blacklisted.users= >>> >>> ######### Authentication >>> Properties ######### >>> falcon.enableTLS=false >>> >>> >>> ---- Exception -------------- >>> >>> >>> FalconURL -> http://localhost:15000/ >>> Property: falcon.url = http://localhost:15000/ >>> org.apache.falcon.client.FalconCLIException: Could not authenticate, >>> GSSException: No valid credentials provided (Mechanism level: Failed to >>> find any >>> Kerberos tgt) >>> at >>> org.apache.falcon.client.FalconClient.getToken(FalconClient.java:166) >>> at >>> org.apache.falcon.client.FalconClient.<init>(FalconClient.java:136) >>> at >>> org.apache.falcon.cli.FalconCLI.run(FalconCLI.java:169) >>> at org.apache.falcon.cli.FalconCLI.main(FalconCLI.java:125) >>> Caused by: >>> >>> org.apache.hadoop.security.authentication.client.AuthenticationException: >>> GSSException: No valid credentials provided (Mechanism level: Failed to >>> find any Kerberos tgt) >>> at >>> >>> org.apache.hadoop.security.authentication.client.KerberosAuthenticator.do >>> SpnegoSequence(KerberosAuthenticator.java:306) >>> at >>> >>> org.apache.hadoop.security.authentication.client.KerberosAuthenticator.au >>> thenticate(KerberosAuthenticator.java:196) >>> at >>> >>> >>> org.apache.hadoop.security.authentication.client.AuthenticatedURL.openCon >>> nection(AuthenticatedURL.java:232) >>> at >>> org.apache.falcon.client.FalconClient.getToken(FalconClient.java:164) >>> ... 3 more >>> Caused by: GSSException: No valid credentials provided (Mechanism level: >>> Failed to find any Kerberos tgt) >>> at >>> >>> sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential. >>> java:130) >>> at >>> >>> sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFacto >>> ry.java:106) >>> at >>> >>> sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactor >>> y.java:172) >>> at >>> >>> sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java: >>> 209) >>> at >>> sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:195) >>> >>> at >>> sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:162) >>> at >>> >>> org.apache.hadoop.security.authentication.client.KerberosAuthenticator$1. >>> run(KerberosAuthenticator.java:285) >>> at >>> >>> org.apache.hadoop.security.authentication.client.KerberosAuthenticator$1. >>> run(KerberosAuthenticator.java:261) >>> at java.security.AccessController.doPrivileged(Native Method) >>> at javax.security.auth.Subject.doAs(Subject.java:396) >>> at >>> >>> org.apache.hadoop.security.authentication.client.KerberosAuthenticator.do >>> SpnegoSequence(KerberosAuthenticator.java:261) >>> ... 6 more >>> Error: Unable to initialize Falcon Client object >> >> -- >> _____________________________________________________________ >> The information contained in this communication is intended solely for >> the >> use of the individual or entity to whom it is addressed and others >> authorized to receive it. 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