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https://issues.apache.org/jira/browse/HTTPCORE-758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17768638#comment-17768638
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Karthik Bandi commented on HTTPCORE-758:
----------------------------------------
Thanks [~olegk] for merging the fix. I can understand that making releases for
older versions that's going out of support is not an easy task but please let
me know via this Jira comment when a release is made for 4.4.x branch.
Yes, I'll try to update HttpCore and Httpclient to 5.x versions and the fix is
just made to support our Product's older versions which cannot upgrade to
latest versions.
> Requests stuck in IOReactor queue due to fatal exceptions while creating IO
> dispatchers
> ---------------------------------------------------------------------------------------
>
> Key: HTTPCORE-758
> URL: https://issues.apache.org/jira/browse/HTTPCORE-758
> Project: HttpComponents HttpCore
> Issue Type: Bug
> Components: HttpCore NIO
> Affects Versions: 4.4.13
> Environment: Library & version: Apache httpasyncclient - 4.1.4,
> httpcore: 4.4.13,httpcore-nio: 4.4.10
> Operating System: Windows
> Runtime Environment: Java 1.8
> Reporter: Karthik Bandi
> Priority: Blocker
>
> Hi team,
> Requests are stuck in the requestQueue of IO Reactor
> (DefaultConnectingIOReactor) but not processed due to abnormal termination of
> I/O Reactor thread that processes the requests (started as part of calling
> the start() in CloseableHttpAsyncClientBase).
> I've enabled http logging and collected the following error logs:
> {code:java}
> DEBUG 2023-09-18 10:16:38,706Z [parallel_; tid=11876601] [
> o.a.http.impl.nio.client.MainClientExec] : [exchange: 47975] start execution
> DEBUG 2023-09-18 10:16:38,706Z [parallel_; tid=11876601] [
> o.a.h.client.protocol.RequestAddCookies] : CookieSpec selected: standard
> DEBUG 2023-09-18 10:16:38,706Z [parallel_; tid=11876601] [
> o.a.h.client.protocol.RequestAuthCache] : Auth cache not set in the context
> DEBUG 2023-09-18 10:16:38,706Z [parallel_; tid=11876601]
> [o.a.h.i.n.client.InternalHttpAsyncClient] : [exchange: 47975] Request
> connection for {s}-> xxxxxxxxxxxxxxxxxxxxx
> DEBUG 2023-09-18 10:16:38,706Z [parallel_; tid=11876601]
> [.n.c.PoolingNHttpClientConnectionManager] : Connection request: [route:
> {s}->xxxxxxxxxxxxxxxxxxxxxxxxx][total kept alive: 0; route allocated: 0 of 2;
> total allocated: 0 of 20]
> ERROR 2023-09-18 10:16:38,757Z [ pool-48041-thread-1]
> [o.a.h.i.n.client.InternalHttpAsyncClient] : I/O reactor terminated abnormally
> org.apache.http.nio.reactor.IOReactorException: Failure opening selector
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.<init>(AbstractIOReactor.java:103)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.<init>(BaseIOReactor.java:85)
> at
> org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:318)
> at
> org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager.execute(PoolingNHttpClientConnectionManager.java:221)
> at
> org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase$1.run(CloseableHttpAsyncClientBase.java:64)
> at java.lang.Thread.run(Thread.java:750)
> Caused by: java.io.IOException: Unable to establish loopback connection
> at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:94)
> at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:61)
> at java.security.AccessController.doPrivileged(Native Method)
> at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:171)
> at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50)
> at java.nio.channels.Pipe.open(Pipe.java:155)
> at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:142)
> at
> sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44)
> at java.nio.channels.Selector.open(Selector.java:227)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.<init>(AbstractIOReactor.java:101)
> ... 5 common frames omitted
> Caused by: java.net.SocketException: Socket operation on nonsocket: bind
> at sun.nio.ch.Net.bind0(Native Method)
> at sun.nio.ch.Net.bind(Net.java:461)
> at sun.nio.ch.Net.bind(Net.java:453)
> at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:222)
> at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:85)
> at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:78)
> at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:121)
> at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:76)
> ... 14 common frames omitted{code}
> I would like to know what is the cause for underlying exception:
> {code:java}
> Caused by: java.net.SocketException: Socket operation on nonsocket: bind{code}
> Is it environment issue that can be fixed with any configuration changes on
> Windows system?
> If it is non-recoverable exception, why would the HttpAsyncClient doesn't
> shutdown the connection manager and all relevant components and respond back
> to the caller by calling the callback methods?
> Finally, Can I expect a fix for apache team on this issue? thanks.
> Same issue is reported in [Apache :: Requests stuck in queue due to
> termination of I/O Reactor
> (apachelounge.com)|https://www.apachelounge.com/viewtopic.php?t=9113]
> If there is something wrong in affect versions, please update them.
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