SplitResponseSSL test fails on Solaris because MockServer::write gets SocketException

WARNING: java.io.IOException: MockServer[64156] Failed while writing bytes: Connection closed by remote host
java.lang.RuntimeException: java.net.SocketException: Connection closed by remote host
at SplitResponse.lambda$sendSplitResponse$0(SplitResponse.java:227)
at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.net.SocketException: Connection closed by remote host
at java.base/sun.security.ssl.SSLSocketImpl.checkWrite(SSLSocketImpl.java:1578)
at java.base/sun.security.ssl.AppOutputStream.write(AppOutputStream.java:68)
at java.base/java.io.OutputStream.write(OutputStream.java:122)
at MockServer$Connection.send(MockServer.java:230)
at SplitResponse.lambda$sendSplitResponse$0(SplitResponse.java:222)
... 1 more
Suppressed: java.io.IOException: MockServer[64156] Failed while writing bytes: Connection closed by remote host
at MockServer$Connection.send(MockServer.java:236)
... 2 more
STATUS:Failed.`main' threw exception: java.lang.RuntimeException: java.net.SocketException: Connection closed by remote host