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.doSpnegoSequence(KerberosAuthenticator.java:306)
>         at
> org.apache.hadoop.security.authentication.client.KerberosAuthenticator.authenticate(KerberosAuthenticator.java:196)
>         at
> org.apache.hadoop.security.authentication.client.AuthenticatedURL.openConnection(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.doSpnegoSequence(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.java:294)
>         at
> sun.security.krb5.internal.CredentialsUtil.acquireServiceCreds(CredentialsUtil.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/keytabs/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.doSpnegoSequence(KerberosAuthenticator.java:306)
>         at
> org.apache.hadoop.security.authentication.client.KerberosAuthenticator.authenticate(KerberosAuthenticator.java:196)
>         at
>
>  
> org.apache.hadoop.security.authentication.client.AuthenticatedURL.openConnection(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(Krb5MechFactory.java:106)
>         at
> sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.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.doSpnegoSequence(KerberosAuthenticator.java:261)
>         ... 6 more
> Error: Unable to initialize Falcon Client object
>

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