Hi Jimmy, I could see the below Error in Cassandra instance log.
INFO 07:20:46 Writing Memtable-schema_keyspaces@2116548397(0.285KiB serialized bytes, 6 ops, 0%/0% of on/off-heap limit) INFO 07:20:46 Completed flushing /var/lib/cassandra/data/system/schema_keyspaces-b0f2235744583cdb9631c43e59ce3676/system-schema_keyspaces-tmp-ka-8-Data.db (0.000KiB) for commitlog position ReplayPosition(segmentId=1549351239288, position=196047) ERROR 07:20:46 Exception in thread Thread[InternalResponseStage:1,5,main] java.lang.RuntimeException: org.apache.cassandra.exceptions.ConfigurationException: Column family ID mismatch (found 04b8abf0-0543-11e9-bc49-1bae3d70f403; expected 64c62860-f7a6-11e8-b31c-7968d5dd84cc) at org.apache.cassandra.config.CFMetaData.reload(CFMetaData.java:1154) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.db.DefsTables.updateColumnFamily(DefsTables.java:422) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.db.DefsTables.mergeColumnFamilies(DefsTables.java:295) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.db.DefsTables.mergeSchemaInternal(DefsTables.java:194) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.db.DefsTables.mergeSchema(DefsTables.java:166) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.service.MigrationTask$1.response(MigrationTask.java:75) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.net.ResponseVerbHandler.doVerb(ResponseVerbHandler.java:54) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:64) ~[apache-cassandra-2.1.20.jar:2.1.20] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_181] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_181] at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_181] Caused by: org.apache.cassandra.exceptions.ConfigurationException: Column family ID mismatch (found 04b8abf0-0543-11e9-bc49-1bae3d70f403; expected 64c62860-f7a6-11e8-b31c-7968d5dd84cc) at org.apache.cassandra.config.CFMetaData.validateCompatility(CFMetaData.java:1242) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.config.CFMetaData.apply(CFMetaData.java:1170) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.config.CFMetaData.reload(CFMetaData.java:1150) ~[apache-cassandra-2.1.20.jar:2.1.20] ... 10 common frames omitted INFO 07:20:52 Listening for thrift clients... WARN 07:21:11 UnknownColumnFamilyException reading from socket; closing org.apache.cassandra.db.UnknownColumnFamilyException: Couldn't find cfId=03451ec0-0543-11e9-8b05-d3b766f3e877 at org.apache.cassandra.db.ColumnFamilySerializer.deserializeCfId(ColumnFamilySerializer.java:164) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.db.ColumnFamilySerializer.deserialize(ColumnFamilySerializer.java:97) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.db.ColumnFamilySerializer.deserialize(ColumnFamilySerializer.java:89) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.db.Row$RowSerializer.deserialize(Row.java:74) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.db.ReadResponseSerializer.deserialize(ReadResponse.java:116) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.db.ReadResponseSerializer.deserialize(ReadResponse.java:88) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.net.MessageIn.read(MessageIn.java:99) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.net.IncomingTcpConnection.receiveMessage(IncomingTcpConnection.java:195) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.net.IncomingTcpConnection.receiveMessages(IncomingTcpConnection.java:172) ~[apache-cassandra-2.1.20.jar:2.1.20] at org.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:88) ~[apache-cassandra-2.1.20.jar:2.1.20] -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#15362): https://lists.onap.org/g/onap-discuss/message/15362 Mute This Topic: https://lists.onap.org/mt/29663742/21656 Mute #aai: https://lists.onap.org/mk?hashtag=aai&subid=2740164 Mute #oom: https://lists.onap.org/mk?hashtag=oom&subid=2740164 Mute #casablanca: https://lists.onap.org/mk?hashtag=casablanca&subid=2740164 Group Owner: [email protected] Unsubscribe: https://lists.onap.org/g/onap-discuss/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
