sainath vadyala created CASSANDRA-18030:
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Summary: Few nodes in cassandra 3.11 cluster is unable to connect
to v4 protocol version
Key: CASSANDRA-18030
URL: https://issues.apache.org/jira/browse/CASSANDRA-18030
Project: Cassandra
Issue Type: Bug
Reporter: sainath vadyala
We have a Apache Cassandra cluster with 36 nodes running on k8s, cqlsh client
was installed in a separate namespace. cqlsh is downgrading version from v4 to
v3 on some of the nodes but we have a case where all the nodes need to connect
to v4, this is a requirement to set UNSET for avoiding null values to be
converted to tombstones (only v4 is supported).
{code:java}
cqlsh 10.1.2.3 --ssl --protocol-version=3
Connected to production at 10.1.2.3:9042.
[cqlsh 5.0.1 | Cassandra 3.11.5 | CQL spec 3.4.4 | Native protocol v3]
Use HELP for help.
cqlsh>
cqlsh 10.1.2.3 --ssl --protocol-version=4
Connection error: ('Unable to connect to any servers', {'10.1.2.3':
DriverException('ProtocolError returned from server while using explicitly set
client protocol_version 4',)}) {code}
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