The server endpoint is deployed on Glassfish 4.1, which is simply close the session in OnOpen method. A simple connect/disconnect works well in ws connect, but if it is wss. It will fail with IOException below.

Please see the following snippet of debugging log:
DEBUG: [HttpClient-8-Worker-2] [2s 575ms] SSLTube(SocketTube(8)) Http1AsyncReceiver downstream subscription demand is 9223372036854775807
DEBUG: [HttpClient-8-Worker-2] [2s 575ms] SSLTube(SocketTube(8)) Http1AsyncReceiver checkRequestMore: canRequestMore=false, hasDemand=true
DEBUG: [HttpClient-8-Worker-2] [2s 575ms] SSLTube(SocketTube(8)) Http1AsyncReceiver Http1TubeSubscriber: no need to request more
DEBUG: [HttpClient-8-SelectorManager] [2s 575ms] PlainHttpConnection(SocketTube(8)) Shutting down input
DEBUG: [HttpClient-8-SelectorManager] [2s 576ms] PlainHttpConnection(SocketTube(8)) Shutting down output
java.io.IOException: connection closed for reading
at jdk.incubator.httpclient/jdk.incubator.http.SSLDelegate$EngineWrapper.recvAndUnwrap(SSLDelegate.java:282)
at jdk.incubator.httpclient/jdk.incubator.http.SSLDelegate.recvData(SSLDelegate.java:361)
at jdk.incubator.httpclient/jdk.incubator.http.AbstractAsyncSSLConnection$SSLConnectionChannel.read(AbstractAsyncSSLConnection.java:140)
at jdk.incubator.httpclient/jdk.incubator.http.RawChannelImpl.read(RawChannelImpl.java:114)
at jdk.incubator.httpclient/jdk.incubator.http.internal.websocket.Receiver$PushContinuouslyTask.run(Receiver.java:157)
at jdk.incubator.httpclient/jdk.incubator.http.internal.common.SequentialScheduler$CompleteRestartableTask.run(SequentialScheduler.java:147)
at jdk.incubator.httpclient/jdk.incubator.http.internal.common.SequentialScheduler$SchedulableTask.run(SequentialScheduler.java:198)
at jdk.incubator.httpclient/jdk.incubator.http.internal.common.SequentialScheduler.runOrSchedule(SequentialScheduler.java:271)
at jdk.incubator.httpclient/jdk.incubator.http.internal.common.SequentialScheduler.runOrSchedule(SequentialScheduler.java:224)
at jdk.incubator.httpclient/jdk.incubator.http.internal.websocket.Receiver$1.handle(Receiver.java:93)
at jdk.incubator.httpclient/jdk.incubator.http.RawChannelImpl$NonBlockingRawAsyncEvent.handle(RawChannelImpl.java:98)
at jdk.incubator.httpclient/jdk.incubator.http.HttpClientImpl$SelectorManager.handleEvent(HttpClientImpl.java:769)
at jdk.incubator.httpclient/jdk.incubator.http.HttpClientImpl$SelectorManager.run(HttpClientImpl.java:731)
java.lang.Exception: failures: 4
at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:96)
at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:54)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:844)