I am running Cassandra Docker image on my Windows 10 following the steps here -https://hub.docker.com/_/cassandra
Specifically about the section - Where to store data - I have started the Images as follows container 1 docker run -v C:\Users\manuc\Documents\manu\dockertest\dockerdata:/var/lib/cassandra --network cassandra-net -p 9042:9042 --name cassandra1 cassandra_image_id container 2 docker run -v C:\Users\manuc\Documents\manu\dockertest\dockerdata:/var/lib/cassandra --network cassandra-net --name cassandra2 -e CASSANDRA_SEEDS=cassandra1 cassandra_image_id Then I start Bash and cqlsh to container 1 to create keyspace and tables - docker exec -it container-id bash CREATE KEYSPACE myKS WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '3'} ; cqlsh> CREATE TABLE myKS.users ( ... bucket int, ... email text, ... authprovider text, ... firstname text, ... lastname text, ... confirmed boolean, ... hasher text, ... id uuid, ... password text, ... salt text, ... PRIMARY KEY ((bucket, email), authprovider, firstname, lastname) ... ); cqlsh> cqlsh> use myKS; cqlsh:codingjedi> insert into users (bucket, email,authprovider, firstname, lastname, confirmed, hasher,id,password, salt) values (1,'m...@m.com','ap','fn','ln',false,'h',uuid(),'p','s'); When I run the Insert query, I get error `java.lang.AssertionError` The error on `Cassandra` console is ERROR [Native-Transport-Requests-2] 2020-06-13 16:06:46,704 Message.java:693 - Unexpected exception during request; channel = [id: 0x60052791, L:/127.0.0.1:9042 - R:/127.0.0.1:34818] java.lang.AssertionError: null at org.apache.cassandra.locator.TokenMetadata.firstTokenIndex(TokenMetadata.java:1065) ~[apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.locator.TokenMetadata.firstToken(TokenMetadata.java:1079) ~[apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.locator.AbstractReplicationStrategy.getNaturalEndpoints(AbstractReplicationStrategy.java:107) ~[apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.service.StorageService.getNaturalEndpoints(StorageService.java:3825) ~[apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.service.StorageProxy.performWrite(StorageProxy.java:1074) ~[apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.service.StorageProxy.mutate(StorageProxy.java:621) ~[apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.service.StorageProxy.mutateWithTriggers(StorageProxy.java:851) ~[apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.cql3.statements.ModificationStatement.executeWithoutCondition(ModificationStatement.java:439) ~[apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.cql3.statements.ModificationStatement.execute(ModificationStatement.java:425) ~[apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:225) ~[apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:256) ~[apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:241) ~[apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.transport.messages.QueryMessage.execute(QueryMessage.java:116) ~[apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:566) [apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:410) [apache-cassandra-3.11.4.jar:3.11.4] at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [netty-all-4.0.44.Final.jar:4.0.44.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:357) [netty-all-4.0.44.Final.jar:4.0.44.Final] at io.netty.channel.AbstractChannelHandlerContext.access$600(AbstractChannelHandlerContext.java:35) [netty-all-4.0.44.Final.jar:4.0.44.Final] at io.netty.channel.AbstractChannelHandlerContext$7.run(AbstractChannelHandlerContext.java:348) [netty-all-4.0.44.Final.jar:4.0.44.Final] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_222] at org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:162) [apache-cassandra-3.11.4.jar:3.11.4] at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:114) [apache-cassandra-3.11.4.jar:3.11.4] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_222] What is causing this error and how can I solve this error? Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10