--- a/src/java.base/share/classes/sun/security/ssl/TransportContext.java	Mon Jun 11 20:45:47 2018 -0700
+++ b/src/java.base/share/classes/sun/security/ssl/TransportContext.java	Tue Jun 12 22:15:10 2018 -0700
@@ -425,16 +425,23 @@
         isUnsureMode = false;
     }
 
+    // The OutputRecord is closed and not buffered output record.
     boolean isOutboundDone() {
         return outputRecord.isClosed() && outputRecord.isEmpty();
     }
 
+    // The OutputRecord is closed, but buffered output record may be still
+    // waiting for delivery to the underlying connection.
+    boolean isOutboundClosed() {
+        return outputRecord.isClosed();
+    }
+
     boolean isInboundDone() {
         return inputRecord.isClosed();
     }
 
     boolean isClosed() {
-        return isOutboundDone() && isInboundDone();
+        return isOutboundClosed() && isInboundDone();
     }
 
     @Override