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Posted to dev@mina.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/05/13 07:49:00 UTC
[jira] [Work logged] (SSHD-1261) Sometimes async write listener is not called
[ https://issues.apache.org/jira/browse/SSHD-1261?focusedWorklogId=770059&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-770059 ]
ASF GitHub Bot logged work on SSHD-1261:
----------------------------------------
Author: ASF GitHub Bot
Created on: 13/May/22 07:48
Start Date: 13/May/22 07:48
Worklog Time Spent: 10m
Work Description: tomaswolf commented on PR #218:
URL: https://github.com/apache/mina-sshd/pull/218#issuecomment-1125757166
This is obsolete; should be fixed with the changes made in commit 1ab50fe2.
Issue Time Tracking
-------------------
Worklog Id: (was: 770059)
Time Spent: 0.5h (was: 20m)
> Sometimes async write listener is not called
> --------------------------------------------
>
> Key: SSHD-1261
> URL: https://issues.apache.org/jira/browse/SSHD-1261
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 2.8.0
> Reporter: Evgeny Pasynkov
> Assignee: Lyor Goldstein
> Priority: Major
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Hello,
> I have discovered the case when the async write listener is not called.
> Imagine the case: The `ChannelAsyncOutputStream::doWriteIfPossible` method discover that window size is too small (lines 160-167). It setup new future and exit the doWriteIfPossible method, relying on `onWindowExpanded` will be called shortly. But if the channel is disconnected, the method will never be invoked, thus future won't be completed.
> I suggest adding the following override to ChannelAsyncOutputStream class:
> {code:java}
> @Override
> protected void doCloseImmediately() {
> abortCurrentWrite();
> super.doCloseImmediately();
> }
> protected synchronized void abortCurrentWrite() {
> IoWriteFutureImpl future = pendingWrite.get();
> if (future != null) {
> future.setValue(new ClosedChannelException());
> }
> }
> {code}
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