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https://issues.apache.org/jira/browse/SSHD-1330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Wolf updated SSHD-1330:
------------------------------
Fix Version/s: 2.11.0
(was: 2.10.1)
> keep-alive handler on client
> ----------------------------
>
> Key: SSHD-1330
> URL: https://issues.apache.org/jira/browse/SSHD-1330
> Project: MINA SSHD
> Issue Type: Improvement
> Affects Versions: 2.10.0
> Reporter: Florian Hof
> Assignee: Lyor Goldstein
> Priority: Minor
> Fix For: 2.11.0
>
>
> After a connection using the default SFTP client, I get lot's of WARN logs
> like the following:
> {{handleUnknownRequest(ClientConnectionService[ClientSessionImpl[x...@sftp-intern.xxx.com/xx.xx.xx.xx:993]])
> unknown global request: keepal...@proftpd.org}}
> It seems that the server send keep-alive messages to the client. The
> {{[KeepAliveHandler|https://github.com/apache/mina-sshd/blob/master/sshd-core/src/main/java/org/apache/sshd/server/global/KeepAliveHandler.java]}}
> handles this properly. It is per default in the server handlers. I propose
> to add it per default in the client handlers. This shouldn't have negative
> effect, should it? Adding it afterwards avoids the WARN logs.
> Implementation on
> {{[ClientBuilder.DEFAULT_GLOBAL_REQUEST_HANDLERS|https://github.com/apache/mina-sshd/blob/master/sshd-core/src/main/java/org/apache/sshd/client/ClientBuilder.java#L69-L70]}}
> would be trivial:
> {code:java}
> public static final List<RequestHandler<ConnectionService>>
> DEFAULT_GLOBAL_REQUEST_HANDLERS
> = List.of(OpenSshHostKeysHandler.INSTANCE,
> KeepAliveHandler.INSTANCE);
> {code}
> (and eventually move the {{KeepAliveHandler}} from
> {{org.apache.sshd.*server*.global}} to
> {{{}org.apache.sshd.*common*.global{}}}).
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