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https://issues.apache.org/jira/browse/ZOOKEEPER-4221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17289852#comment-17289852
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Mate Szalay-Beko commented on ZOOKEEPER-4221:
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the Len error not necessarily means jute.maxbuffer size problem. If ZooKeeper
gets a "malformed" message (not even a jute message), then the first few bytes
(encoding "len") can be anything. Maybe an error message like this one would
make more sense:
"Len error, the first few bytes of the message contains invalid value: 1048648.
This is either a message too large to process (see parameter
jute.maxbuffer.size) or this is a malformed message."
> Improve the error message when message goes above jute.maxbufer size
> --------------------------------------------------------------------
>
> Key: ZOOKEEPER-4221
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4221
> Project: ZooKeeper
> Issue Type: Improvement
> Components: server
> Affects Versions: 3.5.5
> Reporter: Mathieu Marie
> Priority: Minor
>
> When I hit the jute.maxbuffer size, I get a pretty bland error message that
> doesn't help me much.
> {quote}java.io.IOException: Len error 1048648
> {quote}
> It would be helpful to get more information about the command that produced
> the error, the client that executed the command, etc...
>
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