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https://issues.apache.org/jira/browse/NET-35?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12804435#action_12804435
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Paul Stanton commented on NET-35:
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this has just caused me a MAJOR headache. it's blocked a thread for over a week
and effectively halted my serialisation procedure. the documentation does not
make it obvious that NOT setting a timeout could eventuate in such a problem. I
actually do set this timeout directly after I call the 'connect' method (along
with setSoTimeout) however it's the connect method which is blocking.
please re-open and resolve, default it to 5 days if necessary!!
> [net] FTPClient.setDataTimeout() should contain a default timeout
> -----------------------------------------------------------------
>
> Key: NET-35
> URL: https://issues.apache.org/jira/browse/NET-35
> Project: Commons Net
> Issue Type: Bug
> Affects Versions: 1.2
> Environment: Operating System: Windows 2000
> Platform: PC
> Reporter: David Parks
>
> The method FTPClient.setDataTimeout() appears not to have a default value, or
> better said, it appears that the default value is 0, meaning that if a socket
> hangs (which will happen with an ftp connection eventually) you may block
> indefinately waiting on the connection.
> If we omit a call to setDataTimeout() it's almost certain that we will face a
> bug in our code later on, and unfortunately it's relatively unlikely that
> this
> bug will be caught in development. I think it would be far safer to have a
> default timeout value of say, pick a number, maybe 60 seconds? Those that
> need
> this changes should specically call it to make the change. If you do want it
> to
> block indefinately (I doubt almost anyone actually wants this) then they
> should
> explicitly set this to 0, but I think 99.9% of your users will actually want
> a
> resonable timeout, thus it would be best to set this 'resonable' timeout
> value
> as the default to safeguard those that miss adding it to their code.
> Thanks,
> David Parks
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