Found the issue. if you specify just one contact_point(s) and it's not 127.0.0.1, than you must set consistency to 'one', instead of the default 'quorum'.
From: Kea-users [mailto:[email protected]] On Behalf Of Dajka Tamás Sent: Monday, January 6, 2020 9:15 AM To: [email protected] Subject: [Kea-users] Cassandra broken in latest? Hi all, I've built latest KEA from source (github), but connecting to Cassandra seems to be broken. Error message: 2020-01-06 08:57:17.544 ERROR [kea-dhcp6.dhcp6/28607] DHCP6_CONFIG_LOAD_FAIL configuration error using file: /etc/kea/kea-dhcp6.conf, reason: Unable to open database: Statement GET_VERSION failed, Kea error: CqlExchange::executeSelect(): cass_session_execute() != CASS_OK, Cassandra error code: Read timeout, Cassandra future error: Operation timed out - received only 1 responses. 2020-01-06 08:57:17.545 ERROR [kea-dhcp6.dhcp6/28607] DHCP6_INIT_FAIL failed to initialize Kea server: configuration error using file '/etc/kea/kea-dhcp6.conf': Unable to open database: Statement GET_VERSION failed, Kea error: CqlExchange::executeSelect(): cass_session_execute() != CASS_OK, Cassandra error code: Read timeout, Cassandra future error: Operation timed out - received only 1 responses. Keyspace is there, I've initialized/upgraded tables with kea-admin; cqlsh from KEA host to remote Cassandra host works: [cqlsh 5.0.1 | Cassandra 3.11.5 | CQL spec 3.4.4 | Native protocol v4] Use HELP for help. cqlsh> use keadhcpv6; cqlsh:keadhcpv6> SELECT version, minor FROM schema_version; version | minor ---------+------- 5 | 0 (1 rows) cqlsh:keadhcpv6> DataStax driver used 2.14.1. After doing some tcpdump, it seems that the statement "SELECT version, minor FROM schema_version;" is sent to Cassandra, but only PREPARED (and not executed afterwards). (Cassandra responses prepared (4) to query, but only noop is sent by KEA afterwards) Did I miss something or just misconfigured? Thanks, Tom
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