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https://issues.apache.org/jira/browse/HTTPCORE-764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Kalnichevski resolved HTTPCORE-764.
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Resolution: Won't Fix
[~bjhham] HttpAsyncClient 4.1.x and HttpCore NIO 4.4.x are end-of-life now. We
no longer support or provide any fixes for those versions. Please consider
upgrading to HttpCore 5.2 / HttpClient 5.3. As far as I know OpenSearch
supports HC 5.
Having said that, if you provide a fix for this defect I will review and commit
it to the 4.4.x branch.
Oleg
> Apparent infinite loop in SSLIOSession
> --------------------------------------
>
> Key: HTTPCORE-764
> URL: https://issues.apache.org/jira/browse/HTTPCORE-764
> Project: HttpComponents HttpCore
> Issue Type: Bug
> Components: HttpCore NIO
> Affects Versions: 4.4.15
> Reporter: Bruce Hamilton
> Priority: Major
>
> Using the apache http async client 4.1.5, we are making calls to the Open AI
> server-side streaming endpoint. After some period of making requests (an
> hour or so), the service will hit 100% CPU and invariably the client will
> invariably be stuck in the same spot in the SSLIOSession class, trying to
> complete the handshake.
> We believe the server is dropping connections during the TLS handshake, which
> manifests as connection timeouts in other clients. This seems to happen for
> both TLS 1.2 and 1.3, and I can see there's been some closely related issues
> in the past regarding this loop.
>
> Here is the stack trace from the thread dump:
> "Ktor-client-apache (server): llm-" #53 daemon prio=5 os_prio=0
> cpu=20726438.17ms elapsed=62011.90s tid=0x00007f7f28074010 nid=0x41 runnable
> [0x00007f7e934fd000]
> java.lang.Thread.State: RUNNABLE
> at
> sun.security.ssl.SSLEngineImpl.wrap(java.base@17.0.8/SSLEngineImpl.java:123)
> at javax.net.ssl.SSLEngine.wrap(java.base@17.0.8/SSLEngine.java:524)
> at
> org.apache.http.nio.reactor.ssl.SSLIOSession.doWrap(SSLIOSession.java:270)
> at
> org.apache.http.nio.reactor.ssl.SSLIOSession.doHandshake(SSLIOSession.java:316)
> at
> org.apache.http.nio.reactor.ssl.SSLIOSession.isAppInputReady(SSLIOSession.java:547)
> - locked <0x00000000f7e699b0> (a
> org.apache.http.nio.reactor.ssl.SSLIOSession)
> at
> org.apache.http.impl.nio.reactor.AbstractIODispatch.inputReady(AbstractIODispatch.java:120)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:162)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:337)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:315)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:276)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:104)
> at
> org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:591)
> at java.lang.Thread.run(java.base@17.0.8/Thread.java:833)
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