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https://issues.apache.org/jira/browse/CASSANDRA-4573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13440837#comment-13440837
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Vijay commented on CASSANDRA-4573:
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{quote}
With debug logs enabled, you'll see this:
DEBUG 13:13:31,805 Unexpected state 16
{quote}
Unexpected state 16 means the intrest operation is accept.
If you look at the code it is a while loop (the intrestOps can change between
the if conditions) and will be handled in the next iteration.
{quote}
HSHA doesn't seem to enforce any kind of max message length
{quote}
neither does sync :) i can reproduce this error both in Sync and hsha, still
trying to see where the timeout comes from though.
> HSHA doesn't handle large messages gracefully
> ---------------------------------------------
>
> Key: CASSANDRA-4573
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4573
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Tyler Hobbs
> Assignee: Vijay
> Attachments: repro.py
>
>
> HSHA doesn't seem to enforce any kind of max message length, and when
> messages are too large, it doesn't fail gracefully.
> With debug logs enabled, you'll see this:
> {{DEBUG 13:13:31,805 Unexpected state 16}}
> Which seems to mean that there's a SelectionKey that's valid, but isn't ready
> for reading, writing, or accepting.
> Client-side, you'll get this thrift error (while trying to read a frame as
> part of {{recv_batch_mutate}}):
> {{TTransportException: TSocket read 0 bytes}}
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