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https://issues.apache.org/jira/browse/CASSANDRA-16103?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yifan Cai updated CASSANDRA-16103:
----------------------------------
    Test and Documentation Plan: CI, unit test, quick theories. 
                         Status: Patch Available  (was: Open)

PR: https://github.com/apache/cassandra/pull/786
CI: 
https://app.circleci.com/pipelines/github/yifan-c/cassandra?branch=C-16103-invalid-ser-size

The patch 
* removed the extra 1 at {{Message.Serializer#serializedHeaderSizePost40()}}. 
* added a constraint in message header to assure {{createdAt <= expiresAt}}.
* added generators in QT to cover the response messages. 

> Invalid serialized size for responses
> -------------------------------------
>
>                 Key: CASSANDRA-16103
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16103
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Messaging/Internode
>            Reporter: David Capwell
>            Assignee: Yifan Cai
>            Priority: Normal
>             Fix For: 4.0-beta
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Was running a benchmark at LOCAL_ONE and eventually saw the below exception; 
> this is related to CASSANDRA-16097 as it was found during the same test.
> {code}
> org.apache.cassandra.net.InvalidSerializedSizeException: Invalid serialized 
> size; expected 14, actual size at least 13, for verb HINT_RSP
>       at 
> org.apache.cassandra.net.OutboundConnection$EventLoopDelivery.doRun(OutboundConnection.java:816)
>       at 
> org.apache.cassandra.net.OutboundConnection$Delivery.run(OutboundConnection.java:687)
>       at 
> io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
>       at 
> io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)
>       at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384)
>       at 
> io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
>       at 
> io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
>       at 
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
>       at java.base/java.lang.Thread.run(Thread.java:834)
> {code}
> {code}
> org.apache.cassandra.net.InvalidSerializedSizeException: Invalid serialized 
> size; expected 14, actual size at least 13, for verb MUTATION_RSP
>       at 
> org.apache.cassandra.net.OutboundConnection$EventLoopDelivery.doRun(OutboundConnection.java:816)
>       at 
> org.apache.cassandra.net.OutboundConnection$Delivery.run(OutboundConnection.java:687)
>       at 
> io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
>       at 
> io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)
>       at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384)
>       at 
> io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
>       at 
> io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
>       at 
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
>       at java.base/java.lang.Thread.run(Thread.java:834)
> {code}



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