Error:While connecting neo4j with Kerberos

Hello Everyone,

I am here with a Problem which i am facing when connecting kerberos impala with neo4j.
Previously i was getting some error like principle name can not obtain and i am able to solve that problem but now i am getting below error

 Error initialized or created transport for authentication: [Simba][ImpalaJDBCDriver](500169) Unable to connect to server: GSS initiate failed.
java.sql.SQLException: [Simba][ImpalaJDBCDriver](500164) Error initialized or created transport for authentication: [Simba][ImpalaJDBCDriver](500169) Unable to connect to server: GSS initiate failed.

i am using below connection string for connection

WITH 'jdbc:impala://myhost.com:21050;AuthMech=1;KrbRealm=abc.xyz.COM;KrbHostFQDN=icusdiocudis.com;KrbServiceName=impala;UseNativeQuery=1' AS url
CALL apoc.load.jdbc(url,'SELECT * FROM Mydb.Mytable') YIELD row
RETURN row.myColumn

please help me in this