On a fresh new installation, DSE Graph throws an error to Gremlin Console, complaining about authentication configuration.
Gremlin Console starts normally:
plugin activated: tinkerpop.tinkergraph
plugin activated: tinkerpop.server
plugin activated: tinkerpop.utilities
gremlin> :remote connect tinkerpop.server conf/remote.yaml
==>Configured cassan-1-vm.c.myklovr-dev.internal/10.128.0.4:8182
but when you try any operation against Gremlin Server, you get an error:
gremlin> :> 1+1
ERROR 18:11:25,717 Could not process the response javax.security.sasl.SaslException: Failure to initialize security context
at com.sun.security.sasl.gsskerb.GssKrb5Client.<init>(GssKrb5Client.java:149) ~[na:1.8.0_101]
at com.sun.security.sasl.gsskerb.FactoryImpl.createSaslClient(FactoryImpl.java:63) ~[na:1.8.0_101]
at javax.security.sasl.Sasl.createSaslClient(Sasl.java:384) ~[na:1.8.0_101] ... Caused by: org.ietf.jgss.GSSException: Invalid name provided (Mechanism level: KrbException: Cannot locate default realm)
at sun.security.jgss.krb5.Krb5NameElement.getInstance(Krb5NameElement.java:129) ~[na:1.8.0_101]
at sun.security.jgss.krb5.Krb5MechFactory.getNameElement(Krb5MechFactory.java:95) ~[na:1.8.0_101]
at sun.security.jgss.GSSManagerImpl.getNameElement(GSSManagerImpl.java:203) ~[na:1.8.0_101]
at sun.security.jgss.GSSNameImpl.getElement(GSSNameImpl.java:477) ~[na:1.8.0_101]
at sun.security.jgss.GSSNameImpl.init(GSSNameImpl.java:201) ~[na:1.8.0_101]
at sun.security.jgss.GSSNameImpl.<init>(GSSNameImpl.java:170) ~[na:1.8.0_101]
at sun.security.jgss.GSSManagerImpl.createName(GSSManagerImpl.java:138) ~[na:1.8.0_101]
at com.sun.security.sasl.gsskerb.GssKrb5Client.<init>(GssKrb5Client.java:107) ~[na:1.8.0_101]
... 27 common frames omitted Security error - check username/password and related settings
Question is: how to overcome this error?
This has already been tried:
We could not find a casuistic explanation for this.
As a workaround, we installed again from the datastax installer (instead of yum) and this problem did not happen.