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https://issues.apache.org/jira/browse/HTTPCORE-587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16908023#comment-16908023
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Luca Cavanna commented on HTTPCORE-587:
---------------------------------------
Thanks for getting back to me [~olegk]! here is the new issue I opened:
https://issues.apache.org/jira/browse/HTTPCORE-591 . Let me know if I can help
with testing potential fixes.
> Connection must be created by connection manager issue
> ------------------------------------------------------
>
> Key: HTTPCORE-587
> URL: https://issues.apache.org/jira/browse/HTTPCORE-587
> Project: HttpComponents HttpCore
> Issue Type: Bug
> Components: HttpCore, HttpCore NIO
> Affects Versions: 4.4.11
> Reporter: Pranav Arora
> Priority: Major
>
> This is the same issue that is discussed in HTTPCORE-370 and HTTPCORE-574. I
> am facing the following exception:
>
>
> {code:java}
> [ERROR] [] 2019-07-29 09:33:10.639 [pool-2-thread-1] InternalHttpAsyncClient
> - I/O reactor terminated abnormally
> org.apache.http.nio.reactor.IOReactorException: I/O dispatch worker
> terminated abnormally
> at
> org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:356)
> at
> org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager.execute(PoolingNHttpClientConnectionManager.java:221)
> at
> org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase$1.run(CloseableHttpAsyncClientBase.java:64)
> at java.lang.Thread.run(Thread.java:748) [?:1.8.0_141]
> Caused by: java.lang.IllegalStateException: Connection must be created by
> connection manager
> at
> org.apache.http.impl.nio.client.InternalIODispatch.createConnection(InternalIODispatch.java:56)
> at
> org.apache.http.impl.nio.client.InternalIODispatch.createConnection(InternalIODispatch.java:39)
> at
> org.apache.http.impl.nio.reactor.AbstractIODispatch.connected(AbstractIODispatch.java:70)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.sessionCreated(BaseIOReactor.java:248)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processNewChannels(AbstractIOReactor.java:427)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:287)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:104)
> at
> org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:588)
> ... 1 more{code}
>
> This occurs randomly during production and I have not been able to reproduce
> it locally. What I instead tried was pass a custom exception handler.
>
>
> {code:java}
> public class CustomExceptionHandler implements IOReactorExceptionHandler {
> @Override
> public boolean handle(IOException ex) {
> log.error("I/O Reactor IO exception", ex);
> return false;
> }
> @Override
> public boolean handle(RuntimeException ex) {
> log.error("I/O Reactor Runtime Exception", ex);
> if (ex instanceof IllegalStateException) {
> throw new CancelledKeyException();
> }
> return false;
> }
> }
> {code}
>
>
> It helped for the above exception as it did not lead to immediate shutdown of
> I/O Reactor but now I am facing a different issue.
>
>
> {code:java}
> [ERROR] [] 2019-07-30 18:22:37.684 [pool-2-thread-1] InternalHttpAsyncClient
> - I/O reactor terminated abnormally
> java.lang.NullPointerException: null
> at
> <packageNameTruncated>.DefaultConnectingIOReactorTemp.processEvent(DefaultConnectingIOReactorTemp.java:158)
> at
> <packageNameTruncated>.DefaultConnectingIOReactorTemp.processEvents(DefaultConnectingIOReactorTemp.java:136)
> at
> org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:351)
> at
> org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager.execute(PoolingNHttpClientConnectionManager.java:221)
> at
> org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase$1.run(CloseableHttpAsyncClientBase.java:64)
> at java.lang.Thread.run(Thread.java:748)
> {code}
>
>
> DefaultConnectingIOReactorTemp is exactly the same as
> DefaultConnectingIOReactor with the added code that was intended to fix
> HTTPCORE-370. The corresponding line in DefaultConnectingIOReactor is 167
> (final SessionRequestImpl sessionRequest =
> requestHandle.getSessionRequest()). The added code is this:
> https://github.com/ok2c/httpcore/commit/aa812282f26fdd1975233a892c5405fa0da781b4#diff-d577e717cb1e97f3a3c0adbc8d563062
>
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