Hi Avinash, Please see if you have given permissions to the user (logged in) on the table and all related Materialized Views.
Thanks Chandan From: pabbireddy avinash [mailto:pabbireddyavin...@gmail.com] Sent: Friday, November 03, 2017 3:06 PM To: firstname.lastname@example.org Subject: system_auth permissions issue C* 2.0.14 Hi, We are seeing system_auth related exceptions from application side on cassandra 2.0.14 . at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267) [jersey-common-2.14.jar:na] at org.glassfish.jersey.internal.Errors.process(Errors.java:315) [jersey-common-2.14.jar:na] at org.glassfish.jersey.internal.Errors.process(Errors.java:297) [jersey-common-2.14.jar:na] ... 33 lines omitted ... Caused by: com.datastax.driver.core.exceptions.UnauthorizedException: User has no MODIFY permission on <table Keyspace.columnfamily or any of its parents at com.datastax.driver.core.Responses$Error.asException(Responses.java:101) ~[cassandra-driver-core-2.1.7.jar:na] When we check permissions on all the hosts we did not find any issues all the nodes have modify , select permissions for the user . We repaired system_auth on all the nodes but still we are seeing this issue time to time .We have RF=<number of nodes in DC > so that all nodes will have system_auth data . Please help me understand this issue . Regards, Avinash.