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https://issues.apache.org/jira/browse/CAMEL-12631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrea Cosentino updated CAMEL-12631:
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Fix Version/s: 2.22.3
2.21.4
> SFTP: Socket timeout overwrites Server Alive Interval
> -----------------------------------------------------
>
> Key: CAMEL-12631
> URL: https://issues.apache.org/jira/browse/CAMEL-12631
> Project: Camel
> Issue Type: Improvement
> Components: camel-sftp
> Affects Versions: 2.14.3, 2.22.0
> Reporter: MykhailoVlakh
> Assignee: Andrea Cosentino
> Priority: Minor
> Fix For: 2.21.4, 2.22.3, 2.23.0
>
>
> If SFTP connection settings include both soTimeout and serverAliveInterval
> the connection keep alive feature does not work as instead of sending keep
> alive message every serverAliveInterval milliseconds it waits soTimeout
> milliseconds which is usually much longer delay. As a result server may close
> the connection as idle and it is unclear why this happened.
> h4. Issue details
> When we set serverAliveInterval JSCH uses that setting as socket timeout
> (see com.jcraft.jsch.Session.setServerAliveInterval) in order to get IO
> exception and send a keep alive message on regular basis (see
> com.jcraft.jsch.Session.run()). The problem is that when an sftp session is
> created
> (org.apache.camel.component.file.remote.SftpOperations.createSession(RemoteFileConfiguration))
> camel first sets serverAliveInterval and then sets socket timeout that
> overwrites the value set by serverAliveInterval setter.
> In order to fix this issue it is required to make sure that if
> serverAliveInterval is set socket timeout is not changed even if provided or
> as an alternative at least a warning should be logged to clarify what is
> going on.
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