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https://issues.apache.org/jira/browse/HTTPCORE-421?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Kalnichevski resolved HTTPCORE-421.
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Resolution: Invalid
The exception signals connect timeout, not a timeout requesting a connection
from the pool.
Oleg
> RouteSpecificPool timeout Occuring processing HTTP request while using NIO
> --------------------------------------------------------------------------
>
> Key: HTTPCORE-421
> URL: https://issues.apache.org/jira/browse/HTTPCORE-421
> Project: HttpComponents HttpCore
> Issue Type: Bug
> Components: HttpCore NIO
> Environment: Centos machine 1 core,Some times simulatable on linux
> machine 4 core
> Reporter: Venkata Satya Teja Siram
> Priority: Critical
> Labels: features
>
> Hi Team,
> We have an application in which we are making an asynchronous request to get
> the response.For making asynchronous Request we are using apache nio
> Reference link followed:
> https://hc.apache.org/httpcomponents-core-ga/tutorial/html/nio.html
> While using this we are facing an issue.The issue is also not always
> simulatable.I was not able to figure out the root* cause.
> The issue details are as follows:
> java.net.ConnectException: null
> at
> org.apache.http.nio.pool.RouteSpecificPool.timeout(RouteSpecificPool.java:170)
> [httpcore-nio-4.4.4.jar:4.4.4]
> at
> org.apache.http.nio.pool.AbstractNIOConnPool.requestTimeout(AbstractNIOConnPool.java:560)
> [httpcore-nio-4.4.4.jar:4.4.4]
> at
> org.apache.http.nio.pool.AbstractNIOConnPool$InternalSessionRequestCallback.timeout(AbstractNIOConnPool.java:821)
> [httpcore-nio-4.4.4.jar:4.4.4]
> at
> org.apache.http.impl.nio.reactor.SessionRequestImpl.timeout(SessionRequestImpl.java:182)
> [httpcore-nio-4.4.4.jar:4.4.4]
> at org.apache.http.
> Version being used:
> <dependency>
> <groupId>org.apache.httpcomponents</groupId>
> <artifactId>httpclient</artifactId>
> <version>4.5.1</version>
> </dependency>
> <dependency>
> <groupId>org.apache.httpcomponents</groupId>
> <artifactId>httpcore-nio</artifactId>
> <version>4.4.4</version>
> </dependency>
> Initially i thought issue was with pool and increased pool size(NIO Pool)
> while load testing. But some times it occurs if a send single request only
> ,although pool size is 1000 ,the issue is occurring.
> Is this issue has something related to cpu core size, on 4 core processor its
> happening very less and on single core processor it occurs very frequency
> is more..For NIO reactor , we have given the default config.As the
> documentation specifies the number of dispatcher threads would be dependent
> on number of cores on the system.
> Any help regarding this issue?
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