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https://issues.apache.org/jira/browse/CASSANDRA-16581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17344804#comment-17344804
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David Capwell commented on CASSANDRA-16581:
-------------------------------------------

testing java

{code}
try (Cluster cluster = 
Cluster.builder().addContactPoint("127.0.0.1").withoutJMXReporting().build();
             Session session = cluster.newSession())
        {
            for (Row row : session.execute("select * from system.local"))
            {
                System.out.println(row);
            }
        }
{code}

I see that the first byte is 5 and works as expected without any logs

> Failure to execute queries should emit a KPI other than read 
> timeout/unavailable so it can be alerted/tracked
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-16581
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16581
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Messaging/Client, Observability/Metrics
>            Reporter: David Capwell
>            Assignee: David Capwell
>            Priority: Normal
>             Fix For: 3.0.x, 3.11.x, 4.0-rc
>
>
> When we are unable to parse a message we do not have a way to detect this 
> from a monitoring point of view so can get into situations where we believe 
> the database is fine but the clients are on-fire.  This case popped up in the 
> 2.1 to 3.0 upgrade as paging state wasn’t mixed-mode safe.



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