The following test failed in the JDK24 CI:

java/net/httpclient/DigestEchoClient.java

Here's a snippet from the log file:

#section:main
----------messages:(7/688)----------
command: main DigestEchoClient
reason: User specified action: run main/othervm DigestEchoClient
started: Wed Jul 17 11:31:56 UTC 2024
Mode: othervm [/othervm specified]
Additional options from @modules: --add-modules java.base,java.net.http,java.logging,jdk.httpserver --add-exports java.base/sun.net.www.http=ALL-UNNAMED --add-exports java.base/sun.net.www=ALL-UNNAMED --add-exports java.base/sun.net=ALL-UNNAMED --add-exports java.net.http/jdk.internal.net.http.common=ALL-UNNAMED --add-exports java.net.http/jdk.internal.net.http.frame=ALL-UNNAMED --add-exports java.net.http/jdk.internal.net.http.hpack=ALL-UNNAMED
finished: Wed Jul 17 11:31:58 UTC 2024
elapsed time (seconds): 1.76
----------configuration:(9/500)----------
Boot Layer
  add modules: java.base java.net.http java.logging jdk.httpserver
  add exports: java.base/sun.net ALL-UNNAMED
               java.base/sun.net.www ALL-UNNAMED
               java.base/sun.net.www.http ALL-UNNAMED
               java.net.http/jdk.internal.net.http.common ALL-UNNAMED
               java.net.http/jdk.internal.net.http.frame ALL-UNNAMED
               java.net.http/jdk.internal.net.http.hpack ALL-UNNAMED

----------System.out:(625/36120)----------

<snip>

FINE [Jul 17, 11:31:58.376265300] sun.net.httpserver.ServerImpl$Exchange run: Exchange request line: POST /foo/ HTTP/1.1
FINE [Jul 17, 11:31:58.377264468] sun.net.httpserver.ServerImpl logReply: POST /foo/ HTTP/1.1 [200 OK] ()
FINE [Jul 17, 11:31:58.379281891] sun.net.httpserver.ServerImpl$Exchange run: Exchange request line: POST /foo/ HTTP/1.1
FINE [Jul 17, 11:31:58.379965132] sun.net.httpserver.ServerImpl logReply: POST /foo/ HTTP/1.1 [200 OK] ()
FINE [Jul 17, 11:31:58.380869713] sun.net.httpserver.ServerImpl$Exchange run: no request line: closing
java.lang.RuntimeException: Unexpected exception: java.io.IOException: HTTP/1.1 header parser received no bytes
at DigestEchoClient.testBasic(DigestEchoClient.java:453)
at DigestEchoClient.main(DigestEchoClient.java:277)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:588)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.run(Thread.java:1575)
Caused by: java.io.IOException: HTTP/1.1 header parser received no bytes
at java.net.http/jdk.internal.net.http.HttpClientImpl.send(HttpClientImpl.java:969)
at java.net.http/jdk.internal.net.http.HttpClientFacade.send(HttpClientFacade.java:133)
at DigestEchoClient.testBasic(DigestEchoClient.java:438)
... 5 more
Caused by: java.io.IOException: HTTP/1.1 header parser received no bytes
at java.net.http/jdk.internal.net.http.common.Utils.wrapWithExtraDetail(Utils.java:440)
at java.net.http/jdk.internal.net.http.Http1Response$HeadersReader.onReadError(Http1Response.java:590)
at java.net.http/jdk.internal.net.http.Http1AsyncReceiver.checkForErrors(Http1AsyncReceiver.java:302)
at java.net.http/jdk.internal.net.http.Http1AsyncReceiver.flush(Http1AsyncReceiver.java:268)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler$LockingRestartableTask.run(SequentialScheduler.java:182)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler$CompleteRestartableTask.run(SequentialScheduler.java:149)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler$SchedulableTask.run(SequentialScheduler.java:207)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
... 1 more
Caused by: java.io.IOException: connection closed locally
at java.net.http/jdk.internal.net.http.SocketTube.signalClosed(SocketTube.java:159)
at java.net.http/jdk.internal.net.http.PlainHttpConnection.close(PlainHttpConnection.java:428)
at java.net.http/jdk.internal.net.http.PlainHttpConnection.close(PlainHttpConnection.java:406)
at java.net.http/jdk.internal.net.http.ConnectionPool.cleanup(ConnectionPool.java:538)
at java.net.http/jdk.internal.net.http.ConnectionPool$CleanupTrigger.triggerCleanup(ConnectionPool.java:561)
at java.net.http/jdk.internal.net.http.ConnectionPool$CleanupTrigger.onNext(ConnectionPool.java:577)
at java.net.http/jdk.internal.net.http.ConnectionPool$CleanupTrigger.onNext(ConnectionPool.java:546)
at java.net.http/jdk.internal.net.http.SocketTube$InternalReadPublisher$InternalReadSubscription.read(SocketTube.java:865)
at java.net.http/jdk.internal.net.http.SocketTube$SocketFlowTask.run(SocketTube.java:181)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler$SchedulableTask.run(SequentialScheduler.java:207)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler.runOrSchedule(SequentialScheduler.java:280)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler.runOrSchedule(SequentialScheduler.java:233)
at java.net.http/jdk.internal.net.http.SocketTube$InternalReadPublisher$InternalReadSubscription.handleSubscribeEvent(SocketTube.java:706)
at java.net.http/jdk.internal.net.http.AsyncTriggerEvent.handle(AsyncTriggerEvent.java:54)
at java.net.http/jdk.internal.net.http.HttpClientImpl$SelectorManager.run(HttpClientImpl.java:1323)
java.lang.RuntimeException: Unexpected exception: java.io.IOException: HTTP/1.1 header parser received no bytes
at DigestEchoClient.testBasic(DigestEchoClient.java:453)
at DigestEchoClient.main(DigestEchoClient.java:277)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:588)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.run(Thread.java:1575)
Caused by: java.io.IOException: HTTP/1.1 header parser received no bytes
at java.net.http/jdk.internal.net.http.HttpClientImpl.send(HttpClientImpl.java:969)
at java.net.http/jdk.internal.net.http.HttpClientFacade.send(HttpClientFacade.java:133)
at DigestEchoClient.testBasic(DigestEchoClient.java:438)
... 5 more
Caused by: java.io.IOException: HTTP/1.1 header parser received no bytes
at java.net.http/jdk.internal.net.http.common.Utils.wrapWithExtraDetail(Utils.java:440)
at java.net.http/jdk.internal.net.http.Http1Response$HeadersReader.onReadError(Http1Response.java:590)
at java.net.http/jdk.internal.net.http.Http1AsyncReceiver.checkForErrors(Http1AsyncReceiver.java:302)
at java.net.http/jdk.internal.net.http.Http1AsyncReceiver.flush(Http1AsyncReceiver.java:268)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler$LockingRestartableTask.run(SequentialScheduler.java:182)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler$CompleteRestartableTask.run(SequentialScheduler.java:149)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler$SchedulableTask.run(SequentialScheduler.java:207)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
... 1 more
Caused by: java.io.IOException: connection closed locally
at java.net.http/jdk.internal.net.http.SocketTube.signalClosed(SocketTube.java:159)
at java.net.http/jdk.internal.net.http.PlainHttpConnection.close(PlainHttpConnection.java:428)
at java.net.http/jdk.internal.net.http.PlainHttpConnection.close(PlainHttpConnection.java:406)
at java.net.http/jdk.internal.net.http.ConnectionPool.cleanup(ConnectionPool.java:538)
at java.net.http/jdk.internal.net.http.ConnectionPool$CleanupTrigger.triggerCleanup(ConnectionPool.java:561)
at java.net.http/jdk.internal.net.http.ConnectionPool$CleanupTrigger.onNext(ConnectionPool.java:577)
at java.net.http/jdk.internal.net.http.ConnectionPool$CleanupTrigger.onNext(ConnectionPool.java:546)
at java.net.http/jdk.internal.net.http.SocketTube$InternalReadPublisher$InternalReadSubscription.read(SocketTube.java:865)
at java.net.http/jdk.internal.net.http.SocketTube$SocketFlowTask.run(SocketTube.java:181)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler$SchedulableTask.run(SequentialScheduler.java:207)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler.runOrSchedule(SequentialScheduler.java:280)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler.runOrSchedule(SequentialScheduler.java:233)
at java.net.http/jdk.internal.net.http.SocketTube$InternalReadPublisher$InternalReadSubscription.handleSubscribeEvent(SocketTube.java:706)
at java.net.http/jdk.internal.net.http.AsyncTriggerEvent.handle(AsyncTriggerEvent.java:54)
at java.net.http/jdk.internal.net.http.HttpClientImpl$SelectorManager.run(HttpClientImpl.java:1323)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Unexpected exception: java.io.IOException: HTTP/1.1 header parser received no bytes
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Unexpected exception: java.io.IOException: HTTP/1.1 header parser received no bytes
----------rerun:(44/8704)*----------