sun/security/ec/TestEC.java failed intermittently

** Failed TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 in TLSv1.2 mode with ECDSA client authentication**
----------System.err:(97/7132)----------
java.net.SocketTimeoutException: Read timed out
at java.base/java.net.SocketInputStream.socketRead0(Native Method)
at java.base/java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
at java.base/java.net.SocketInputStream.read(SocketInputStream.java:171)
at java.base/java.net.SocketInputStream.read(SocketInputStream.java:141)
at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:425)
at java.base/sun.security.ssl.SSLSocketInputRecord.decode(SSLSocketInputRecord.java:154)
at java.base/sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1031)
at java.base/sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:973)
at java.base/sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1402)
at java.base/sun.security.ssl.SSLSocketImpl.bytesInCompletePacket(SSLSocketImpl.java:907)
at java.base/sun.security.ssl.AppInputStream.read(AppInputStream.java:144)
at java.base/sun.security.ssl.AppInputStream.read(AppInputStream.java:84)
at CipherTest$Server.handleRequest(CipherTest.java:80)
at JSSEServer$1.run(JSSEServer.java:83)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:844)
java.net.SocketException: Broken pipe (Write failed)
at java.base/java.net.SocketOutputStream.socketWrite0(Native Method)
at java.base/java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:111)
at java.base/java.net.SocketOutputStream.write(SocketOutputStream.java:155)
at java.base/sun.security.ssl.SSLSocketOutputRecord.flush(SSLSocketOutputRecord.java:236)
at java.base/sun.security.ssl.HandshakeOutStream.flush(HandshakeOutStream.java:79)
at java.base/sun.security.ssl.Handshaker.sendChangeCipherSpec(Handshaker.java:1182)
at java.base/sun.security.ssl.ServerHandshaker.sendChangeCipherAndFinish(ServerHandshaker.java:1990)
at java.base/sun.security.ssl.ServerHandshaker.clientFinished(ServerHandshaker.java:1947)
at java.base/sun.security.ssl.ServerHandshaker.processMessage(ServerHandshaker.java:334)
at java.base/sun.security.ssl.Handshaker.processLoop(Handshaker.java:1072)
at java.base/sun.security.ssl.Handshaker.processRecord(Handshaker.java:1000)
at java.base/sun.security.ssl.SSLSocketImpl.processInputRecord(SSLSocketImpl.java:1137)
at java.base/sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1074)
at java.base/sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:973)
at java.base/sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1402)
at java.base/sun.security.ssl.SSLSocketImpl.bytesInCompletePacket(SSLSocketImpl.java:907)
at java.base/sun.security.ssl.AppInputStream.read(AppInputStream.java:144)
at java.base/sun.security.ssl.AppInputStream.read(AppInputStream.java:84)
at CipherTest$Server.handleRequest(CipherTest.java:80)
at JSSEServer$1.run(JSSEServer.java:83)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:844)
javax.net.ssl.SSLException: Received close_notify during handshake
at java.base/sun.security.ssl.Alerts.getSSLException(Alerts.java:214)
at java.base/sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1974)
at java.base/sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1921)
at java.base/sun.security.ssl.SSLSocketImpl.recvAlert(SSLSocketImpl.java:2025)
at java.base/sun.security.ssl.SSLSocketImpl.processInputRecord(SSLSocketImpl.java:1207)
at java.base/sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1074)
at java.base/sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:973)
at java.base/sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1402)
at java.base/sun.security.ssl.SSLSocketImpl.bytesInCompletePacket(SSLSocketImpl.java:907)
at java.base/sun.security.ssl.AppInputStream.read(AppInputStream.java:144)
at java.base/sun.security.ssl.AppInputStream.read(AppInputStream.java:84)
at CipherTest$Server.handleRequest(CipherTest.java:80)
at JSSEServer$1.run(JSSEServer.java:83)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:844)
java.net.SocketException: Broken pipe (Write failed)
at java.base/java.net.SocketOutputStream.socketWrite0(Native Method)
at java.base/java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:111)
at java.base/java.net.SocketOutputStream.write(SocketOutputStream.java:155)
at java.base/sun.security.ssl.SSLSocketOutputRecord.flush(SSLSocketOutputRecord.java:236)
at java.base/sun.security.ssl.HandshakeOutStream.flush(HandshakeOutStream.java:79)
at java.base/sun.security.ssl.ClientHandshaker.serverHelloDone(ClientHandshaker.java:1254)
at java.base/sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:418)
at java.base/sun.security.ssl.Handshaker.processLoop(Handshaker.java:1072)
at java.base/sun.security.ssl.Handshaker.processRecord(Handshaker.java:1000)
at java.base/sun.security.ssl.SSLSocketImpl.processInputRecord(SSLSocketImpl.java:1137)
at java.base/sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1074)
at java.base/sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:973)
at java.base/sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1402)
at java.base/sun.security.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:733)
at java.base/sun.security.ssl.AppOutputStream.write(AppOutputStream.java:67)
at java.base/java.io.OutputStream.write(OutputStream.java:75)
at CipherTest$Client.sendRequest(CipherTest.java:390)
at JSSEClient.runTest(JSSEClient.java:74)
at CipherTest$Client.run(CipherTest.java:373)
at java.base/java.lang.Thread.run(Thread.java:844)
java.lang.Exception: *** Test 'Client JSSE - Server JSSE' failed ***
at CipherTest.run(CipherTest.java:330)
at CipherTest.main(CipherTest.java:458)
at ClientJSSEServerJSSE.main(ClientJSSEServerJSSE.java:67)
at TestEC.main0(TestEC.java:112)
at TestEC.main(TestEC.java:79)
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)