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https://issues.apache.org/jira/browse/HTTPCLIENT-2024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16968965#comment-16968965
]
shatk commented on HTTPCLIENT-2024:
-----------------------------------
We are using apache camel [camel-http4] in our project which is using
httpclient-4.5.7 to connect to downstream API's. In Prod env on high load we
are seeing request drop. say 4 request drop out of 4 lakhs request.
Exception we are receving is _NoHttpResponseException : host:port failed to
respond_ . Provided below the stacktrace of the error. Issue persists with
4.5.10 as well. But when we tested with httpclient-3.1, there is no request
drop. Please advise.
org.apache.http.NoHttpResponseException: domainurl:80 failed to
respondorg.apache.http.NoHttpResponseException: domainurl:80 failed to respond
at
org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:141)
at
org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:56)
at
org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:259)
at
org.apache.http.impl.DefaultBHttpClientConnection.receiveResponseHeader(DefaultBHttpClientConnection.java:163)
at
org.apache.http.impl.conn.CPoolProxy.receiveResponseHeader(CPoolProxy.java:157)
at
org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:273)
at
org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
at
org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:272)
at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89) at
org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) at
org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
at
org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
at
org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
at
org.apache.camel.component.http4.HttpProducer.executeMethod(HttpProducer.java:334)
at
org.apache.camel.component.http4.HttpProducer.process(HttpProducer.java:193) at
org.apache.camel.util.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.process(AsyncProcessorConverterHelper.java:61)
at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:148) at
org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:548)
at
org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:138)
> NoHttpResponseException on high Load
> ------------------------------------
>
> Key: HTTPCLIENT-2024
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2024
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient (classic)
> Affects Versions: 4.5.7
> Reporter: shatk
> Priority: Major
> Labels: camel-http4,, http-client
>
>
> Getting _NoHttpResponseException : host:port failed to respond_ on high
> Load.
> This is happening for httpclient-4.5.7 as well as httpclient-4.5.10 version
> of apache http client on high load [100 TPS]
> Apache http client is used internally by camel http4.
> [https://github.com/HydAu/Camel/blob/master/components/camel-http4/src/main/java/org/apache/camel/component/http4/HttpComponent.java]
> > camel http4 connection config :
> connectionsPerRoute : 100
> maxTotalConnections : 1000
>
>
>
>
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