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Zeppelin disconnected error HDP3.0.1


Zeppelin disconnected error HDP3.0.1



We are currenly using HDP 3.0.1 with ambari 2.7.1. I was trying to solve a connection issue on the zeppelin ui that give to some of the users a disconnected status while they are using the chrome browser...(curiously it seems to be working just fine with firefox ).


I am able to see on the zeppelin notebook logs the following message: 

Exception in login:

org.apache.shiro.authc.AuthenticationException: Authentication token of type [class org.apache.zeppelin.realm.jwt.JWTAuthenticationToken] could not be authenticated by any configured realms. Please ensure that at least one realm can authenticate these tokens.


Also on the knox logs i have the following error message not sure if it is linked:

Shiro unable to login: javax.naming.AuthenticationException: [LDAP: error code 49 - 80090308: LdapErr: DSID-0C090400, comment: AcceptSecurityContext error, data 52e, v1db1


Could you please help us.


Thank you