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                                                    <td style="vertical-align: top;; padding: 0; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HSEARCH-2682" style="color: #3b73af; text-decoration: none">Re: Malformed HTTP responses from Elasticsearch are not handled consistently</a> </span> </td> 
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                                                    <td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <p style="margin: 10px 0 0; margin-top: 0">I managed to reproduce the issue with extended logs, and it turns out this happens when both hosts fail: the first one because of a timeout, the second one because of a fault.<br> Now <b>why</b> it times out is the one million dollar question...</p> <p style="margin: 10px 0 0">See <a href="http://ci.hibernate.org/job/hibernate-search-yoann/org.hibernate$hibernate-search-elasticsearch/36/testReport/junit/org.hibernate.search.elasticsearch.test/DefaultElasticsearchClientFactoryTest/multipleHosts_failover_fault/" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">http://ci.hibernate.org/job/hibernate-search-yoann/org.hibernate$hibernate-search-elasticsearch/36/testReport/junit/org.hibernate.search.elasticsearch.test/DefaultElasticsearchClientFactoryTest/multipleHosts_failover_fault/</a> and the logs below.</p> 
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                                                                <pre style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-all; white-space: pre-wrap">byteman jar is /home/jenkins/.m2/repository/org/jboss/byteman/byteman/4.0.0-BETA4/byteman-4.0.0-BETA4.jar
Setting org.jboss.byteman.allow.config.update=true
11:18:42,660 (Hibernate Search: Elasticsearch transport thread-2) DEBUG RestClient:92 - request [POST http://localhost:37007/myIndex/myType/] failed
java.net.SocketTimeoutException
        at org.apache.http.nio.protocol.HttpAsyncRequestExecutor.timeout(HttpAsyncRequestExecutor.java:375)
        at org.apache.http.impl.nio.client.InternalIODispatch.onTimeout(InternalIODispatch.java:92)
        at org.apache.http.impl.nio.client.InternalIODispatch.onTimeout(InternalIODispatch.java:39)
        at org.apache.http.impl.nio.reactor.AbstractIODispatch.timeout(AbstractIODispatch.java:175)
        at org.apache.http.impl.nio.reactor.BaseIOReactor.sessionTimedOut(BaseIOReactor.java:263)
        at org.apache.http.impl.nio.reactor.AbstractIOReactor.timeoutCheck(AbstractIOReactor.java:492)
        at org.apache.http.impl.nio.reactor.BaseIOReactor.validate(BaseIOReactor.java:213)
        at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:280)
        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)
        at java.lang.Thread.run(Thread.java:745)
11:18:42,699 (Hibernate Search: Elasticsearch transport thread-2) DEBUG RestClient:483 - added host [http://localhost:37007] to blacklist
11:18:43,658 (Hibernate Search: Elasticsearch transport thread-3) DEBUG RestClient:92 - request [POST http://localhost:35407/myIndex/myType/] failed
org.apache.http.MalformedChunkCodingException: Bad chunk header: lskdu018973t09sylgasjkfg1][]'./.sdlv
        at org.apache.http.impl.nio.codecs.ChunkDecoder.readChunkHead(ChunkDecoder.java:134)
        at org.apache.http.impl.nio.codecs.ChunkDecoder.read(ChunkDecoder.java:205)
        at org.apache.http.nio.util.SimpleInputBuffer.consumeContent(SimpleInputBuffer.java:66)
        at org.elasticsearch.client.HeapBufferedAsyncResponseConsumer.onContentReceived(HeapBufferedAsyncResponseConsumer.java:96)
        at org.apache.http.nio.protocol.AbstractAsyncResponseConsumer.consumeContent(AbstractAsyncResponseConsumer.java:141)
        at org.apache.http.impl.nio.client.MainClientExec.consumeContent(MainClientExec.java:329)
        at org.apache.http.impl.nio.client.DefaultClientExchangeHandlerImpl.consumeContent(DefaultClientExchangeHandlerImpl.java:153)
        at org.apache.http.nio.protocol.HttpAsyncRequestExecutor.inputReady(HttpAsyncRequestExecutor.java:324)
        at org.apache.http.impl.nio.DefaultNHttpClientConnection.consumeInput(DefaultNHttpClientConnection.java:265)
        at org.apache.http.impl.nio.client.InternalIODispatch.onInputReady(InternalIODispatch.java:81)
        at org.apache.http.impl.nio.client.InternalIODispatch.onInputReady(InternalIODispatch.java:39)
        at org.apache.http.impl.nio.reactor.AbstractIODispatch.inputReady(AbstractIODispatch.java:114)
        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:588)
        at java.lang.Thread.run(Thread.java:745)
11:18:43,694 (Hibernate Search: Elasticsearch transport thread-3) DEBUG RestClient:483 - added host [http://localhost:35407] to blacklist
</pre> 
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  }
}
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