Venkata Satya Teja Siram created HTTPCORE-421:
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Summary: 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
Hi Team,
We have a 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 route 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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