java/net/httpclient/SplitResponseSSL.java fails intermitently

There are failures observed with different exceptions. I will attach the whole logs.
Reproduced with JDK 10 b36 on Windows 2012 R2.

Following one observed more frequently (3 times) :
INFO: TRACE: Attempting to return connection to the pool: HttpConnection: java.nio.channels.SocketChannel[connected local=/127.0.0.1:55696 remote=/127.0.0.1:55683]
DEBUG: [HttpClient-8-Worker-1] [75s 43ms] Http1Response SSLTube(SocketTube(63)): return to HTTP/1.1 pool
Dec 20, 2017 9:15:00 PM jdk.incubator.http.PlainHttpConnection close
INFO: TRACE: Closing: PlainHttpConnection: HttpConnection: java.nio.channels.SocketChannel[connected local=/127.0.0.1:55696 remote=/127.0.0.1:55683]
DEBUG: [HttpClient-8-Worker-1] [75s 45ms] HttpClientImpl(8) ClientImpl (async) elapsed 2575 millis for GET to https://127.0.0.1:55683/foo/
DEBUG: [HttpClient-8-Worker-1] [75s 45ms] SSLTube(SocketTube(63)) Http1AsyncReceiver Delegate done: 0
java.lang.RuntimeException: java.net.SocketException: Socket is closed
at SplitResponse.lambda$sendSplitResponse$0(SplitResponse.java:222)
at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.net.SocketException: Socket is closed
at java.base/sun.security.ssl.SSLSocketImpl.checkEOF(SSLSocketImpl.java:1555)
at java.base/sun.security.ssl.SSLSocketImpl.checkWrite(SSLSocketImpl.java:1576)
at java.base/sun.security.ssl.AppOutputStream.write(AppOutputStream.java:68)
at java.base/java.io.OutputStream.write(OutputStream.java:77)
at MockServer$Connection.send(MockServer.java:228)
at SplitResponse.lambda$sendSplitResponse$0(SplitResponse.java:217)
... 1 more
STATUS:Failed.`main' threw exception: java.lang.RuntimeException: java.net.SocketException: Socket is closed


And this failure once:
Dec 23, 2017 10:11:32 PM jdk.incubator.http.Http1Response onFinished
INFO: TRACE: Attempting to return connection to the pool: HttpConnection: java.nio.channels.SocketChannel[connected local=/127.0.0.1:60632 remote=/127.0.0.1:60618]
DEBUG: [HttpClient-8-Worker-1] [74s 683ms] Http1Response SSLTube(SocketTube(63)): return to HTTP/1.1 pool
Dec 23, 2017 10:11:32 PM jdk.incubator.http.PlainHttpConnection close
INFO: TRACE: Closing: PlainHttpConnection: HttpConnection: java.nio.channels.SocketChannel[connected local=/127.0.0.1:60632 remote=/127.0.0.1:60618]
DEBUG: [HttpClient-8-Worker-1] [74s 684ms] HttpClientImpl(8) ClientImpl (async) elapsed 2364 millis for GET to https://127.0.0.1:60618/foo/
DEBUG: [HttpClient-8-Worker-1] [74s 684ms] SSLTube(SocketTube(63)) Http1AsyncReceiver Delegate done: 0
java.lang.RuntimeException: java.net.SocketException: Connection closed by remote host
at SplitResponse.lambda$sendSplitResponse$0(SplitResponse.java:222)
at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.net.SocketException: Connection closed by remote host
at java.base/sun.security.ssl.SSLSocketImpl.checkWrite(SSLSocketImpl.java:1578)
at java.base/sun.security.ssl.AppOutputStream.write(AppOutputStream.java:68)
at java.base/java.io.OutputStream.write(OutputStream.java:77)
at MockServer$Connection.send(MockServer.java:228)
at SplitResponse.lambda$sendSplitResponse$0(SplitResponse.java:217)