8029073: (corba) New connection reclaimed when number of connection is greater than highwatermark

Reviewed-by: coffeys

src/share/classes/com/sun/corba/se/impl/transport/SocketOrChannelAcceptorImpl.java

@@ -253,6 +253,13 @@ public class SocketOrChannelAcceptorImpl
             // registered with the selector.  Otherwise if the bytes
             // are read on the connection it will attempt a time stamp
             // but the cache will be null, resulting in NPE.
+
+            // A connection needs to be timestamped before putting to the cache.
+            // Otherwise the newly created connection (with 0 timestamp) could be
+            // incorrectly reclaimed by concurrent reclaim() call OR if there
+            // will be no events on this connection then it could be reclaimed
+            // by upcoming reclaim() call.
+            getConnectionCache().stampTime(connection);
             getConnectionCache().put(this, connection);
 
             if (connection.shouldRegisterServerReadEvent()) {