Minor fix: trap run time exceptions and log them

Matthew Swift

15.26.2016 032c2b39a22ab99ac89b768d3ae8d275ac4cd931

 opendj-server-legacy/src/main/java/org/opends/server/protocols/http/HTTPConnectionHandler.java

@@ -953,7 +953,8 @@
              @Override
              public void run()
              {
                next.handle(context, request).thenOnResultOrException(promise, promise);
                // Trap and forward runtime exceptions.
                next.handle(context, request).thenOnResult(promise).thenOnRuntimeException(promise);
              }
            }));
      }