--- old/src/jdk.net/linux/classes/jdk/internal/net/rdma/RdmaServerSocketChannelImpl.java	2018-11-28 16:36:32.272693091 +0000
+++ new/src/jdk.net/linux/classes/jdk/internal/net/rdma/RdmaServerSocketChannelImpl.java	2018-11-28 16:36:31.896693104 +0000
@@ -80,8 +80,17 @@
 
     private ServerSocket socket;
 
+    private static final UnsupportedOperationException unsupported;
+
+    private static final SelectorProvider checkSupported(SelectorProvider sp) {
+        if (unsupported != null)
+            throw new UnsupportedOperationException(unsupported.getMessage(), unsupported);
+        else
+            return sp;
+    }
+
     RdmaServerSocketChannelImpl(SelectorProvider sp) throws IOException {
-        super(sp);
+        super(checkSupported(sp));
         this.fd =  RdmaNet.serverSocket();
         this.fdVal = IOUtil.fdVal(fd);
     }
@@ -89,7 +98,7 @@
     RdmaServerSocketChannelImpl(SelectorProvider sp, FileDescriptor fd, boolean bound)
         throws IOException
     {
-        super(sp);
+        super(checkSupported(sp));
         this.fd =  fd;
         this.fdVal = IOUtil.fdVal(fd);
         if (bound) {
@@ -469,12 +478,18 @@
                                InetSocketAddress[] isaa)
         throws IOException;
 
-    private static native void initIDs();
+    private static native void initIDs()throws UnsupportedOperationException;
 
     static {
         IOUtil.load();
         System.loadLibrary("extnet");
-        initIDs();
+        UnsupportedOperationException uoe = null;
+        try {
+            initIDs();
+        } catch (UnsupportedOperationException e) {
+            uoe = e;
+        }
+        unsupported = uoe;
         nd = new RdmaSocketDispatcher();
     }
 }