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https://issues.apache.org/jira/browse/SSHD-952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16969075#comment-16969075
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Anudeep commented on SSHD-952:
------------------------------
Hi [~lgoldstein],
We tried in a different manner this time ,instead of blocking the read
completely we added sleep while reading the data from channel on the client
side .
This time even after the timeout it was still continuing for some time and got
exited(channel got closed with an exception after some time). I suppose this
behavior might be due to sleep which we introduced at client side.
{code:java}
pStatus=0.%A
2019-11-07 05:42:33,149 DEBUG [org.apache.sshd.common.io.nio2.Nio2Session]
(sshd-SshServer[57e76ebb](port=8345)-nio2-thread-2)
exceptionCaught(Nio2Session[local=/10.247
.246.52:8345, remote=/192.168.0.42:49984]) caught
InterruptedByTimeoutException[null] - calling handler
2019-11-07 05:42:33,149 WARN
[org.apache.sshd.server.session.ServerSessionImpl]
(sshd-SshServer[57e76ebb](port=8345)-nio2-thread-2)
exceptionCaught(ServerSessionImpl[a
dministrator@/192.168.0.42:49984])[state=Opened] InterruptedByTimeoutException:
null
2019-11-07 05:42:33,150 DEBUG
[org.apache.sshd.server.session.ServerSessionImpl]
(sshd-SshServer[57e76ebb](port=8345)-nio2-thread-2)
exceptionCaught(ServerSessionImpl[a
dministrator@/192.168.0.42:49984])[state=Opened] details:
java.nio.channels.InterruptedByTimeoutException
at
sun.nio.ch.UnixAsynchronousSocketChannelImpl$1.run(UnixAsynchronousSocketChannelImpl.java:456)
[rt.jar:1.8.0_221]
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[rt.jar:1.8.0_221]
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[rt.jar:1.8.0_221]
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
[rt.jar:1.8.0_221]
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
[rt.jar:1.8.0_221]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
[rt.jar:1.8.0_221]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
[rt.jar:1.8.0_221]
:
{code}
Thanks,
Anudeep
> 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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