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https://issues.apache.org/jira/browse/HTTPCLIENT-2314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17803623#comment-17803623
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Philip Helger edited comment on HTTPCLIENT-2314 at 1/5/24 4:56 PM:
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[~olegk]  please find attached the debug log - it contains a bit more then just 
httpclient logs, but I think it might be helpful. Please let me know, if you 
need more.

 

Server details in case you care:

{{Server Version:        Apache Tomcat/10.1.8}}
{{Server built:          Apr 14 2023 19:40:29 UTC}}
{{Server version number: 10.1.8.0}}
{{OS Name:               Linux}}
{{OS Version:            3.10.0-1160.105.1.el7.x86_64}}
{{Architektur:           amd64}}
{{Java Home:             /usr/lib/jvm/jdk-17-oracle-x64}}
{{JVM Version:           17.0.8+9-LTS-211}}
{{JVM Hersteller:        Oracle Corporation}}
{{CATALINA_BASE:         /usr/share/apache-tomcat-10.1.8}}
{{CATALINA_HOME:         /usr/share/apache-tomcat-10.1.8}}
{{Command line argument: 
-Djava.util.logging.config.file=/usr/share/tomcat10/conf/logging.properties}}
{{Command line argument: 
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager}}
{{Command line argument: -Djdk.tls.ephemeralDHKeySize=2048}}
{{Command line argument: 
-Djava.protocol.handler.pkgs=org.apache.catalina.webresources}}
{{Command line argument: 
-Dorg.apache.catalina.security.SecurityListener.UMASK=0027}}
{{Command line argument: --add-opens=java.base/java.lang=ALL-UNNAMED}}
{{Command line argument: --add-opens=java.base/java.io=ALL-UNNAMED}}
{{Command line argument: --add-opens=java.base/java.util=ALL-UNNAMED}}
{{Command line argument: 
--add-opens=java.base/java.util.concurrent=ALL-UNNAMED}}
{{Command line argument: --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED}}
{{Command line argument: -Xmx3g}}
{{Command line argument: -Dcatalina.base=/usr/share/tomcat10}}
{{Command line argument: -Dcatalina.home=/usr/share/tomcat10}}
{{Command line argument: -Djava.io.tmpdir=/usr/share/tomcat10/temp}}


was (Author: phax):
[~olegk]  please find attached the debug log - it contains a bit more then just 
httpclient logs, but I think it might be helpful. Please let me know, if you 
need more.

> IllegalStateException: Endpoint is not connected
> ------------------------------------------------
>
>                 Key: HTTPCLIENT-2314
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2314
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpClient (classic)
>    Affects Versions: 5.2, 5.3
>            Reporter: Philip Helger
>            Priority: Major
>         Attachments: debuglog-httpclient-2314.txt
>
>
> Using `PoolingHttpClientConnectionManager`, under high traffic situations it 
> occurs consistently that the exception "Endpoint is not connected" is invoked.
>  
> The full stacktrace looks like this:
> {{Caused by: java.lang.IllegalStateException: Endpoint is not connected}}
> {{    at org.apache.hc.core5.util.Asserts.check(Asserts.java:38) 
> ~[httpcore5-5.2.4.jar:5.2.4]}}
> {{    at 
> org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager$InternalConnectionEndpoint.getValidatedPoolEntry(PoolingHttpClientConnectionManager.java:664)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager$InternalConnectionEndpoint.setSocketTimeout(PoolingHttpClientConnectionManager.java:697)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.InternalExecRuntime.execute(InternalExecRuntime.java:211)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.MainClientExec.execute(MainClientExec.java:116)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.ConnectExec.execute(ConnectExec.java:188)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.ProtocolExec.execute(ProtocolExec.java:192)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.HttpRequestRetryExec.execute(HttpRequestRetryExec.java:113)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.ContentCompressionExec.execute(ContentCompressionExec.java:152)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.RedirectExec.execute(RedirectExec.java:116)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.InternalHttpClient.doExecute(InternalHttpClient.java:170)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.CloseableHttpClient.execute(CloseableHttpClient.java:245)
>  ~[httpclient5-5.3.jar:5.3]}}
> {{    at 
> org.apache.hc.client5.http.impl.classic.CloseableHttpClient.execute(CloseableHttpClient.java:188)
>  ~[httpclient5-5.3.jar:5.3]}}
>  
> Unfortunately I don't have a standalone example to reproduce it.
> Any suggestions for a workaround????



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