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https://issues.apache.org/jira/browse/SSHD-952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16964185#comment-16964185
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Lyor Goldstein commented on SSHD-952:
-------------------------------------

{quote}
I want to understand if current logic will close the client session if the 
threads gets timed out or will it keep open until it free some space on the 
channel?
{quote}
As far as I can tell it will close the session due to the thrown exception

> What is the expected behavior of waitForSpace(long millis) method on default 
> timeout of 30 seconds
> --------------------------------------------------------------------------------------------------
>
>                 Key: SSHD-952
>                 URL: https://issues.apache.org/jira/browse/SSHD-952
>             Project: MINA SSHD
>          Issue Type: Question
>    Affects Versions: 2.2.0
>            Reporter: Anudeep
>            Priority: Major
>
> Hi Team,
> Can you please let us know the expected behavior of waitForSpace(long millis) 
> method of Window.java class . As per our test we see on timeout thread get 
> released and it spawns a new thread on timeout. Is this an expected behavior ?
> 2019-10-24 12:33:26,123 DEBUG [org.apache.sshd.server.channel.ChannelSession] 
> (Thread-44 (HornetQ-client-global-threads-407809182)) 
> flush(ChannelOutputStream[ChannelSession[id=0, 
> recipient=43]-ServerSessionImpl[administrator@/141.137.237.205:58628]] 
> SSH_MSG_CHANNEL_DATA) failed (SocketTimeoutException) to wait for space of 
> len=1190: waitForCondition(Window[server/remote](ChannelSession[id=0, 
> recipient=43]-ServerSessionImpl[administrator@/141.137.237.205:58628])) 
> timeout exceeded: 20000
> 2019-10-24 12:33:46,126 DEBUG [org.apache.sshd.server.channel.ChannelSession] 
> (Thread-44 (HornetQ-client-global-threads-407809182)) 
> flush(ChannelOutputStream[ChannelSession[id=0, 
> recipient=43]-ServerSessionImpl[administrator@/141.137.237.205:58628]] 
> SSH_MSG_CHANNEL_DATA) failed (SocketTimeoutException) to wait for space of 
> len=1190: waitForCondition(Window[server/remote](ChannelSession[id=0, 
> recipient=43]-ServerSessionImpl[administrator@/141.137.237.205:58628])) 
> timeout exceeded: 20000
> 2019-10-24 12:34:06,129 DEBUG [org.apache.sshd.server.channel.ChannelSession] 
> (Thread-44 (HornetQ-client-global-threads-407809182)) 
> flush(ChannelOutputStream[ChannelSession[id=0, 
> recipient=43]-ServerSessionImpl[administrator@/141.137.237.205:58628]] 
> SSH_MSG_CHANNEL_DATA) failed (SocketTimeoutException) to wait for space of 
> len=1190: waitForCondition(Window[server/remote](ChannelSession[id=0, 
> recipient=43]-ServerSessionImpl[administrator@/141.137.237.205:58628])) 
> timeout exceeded: 20000



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