diff --git a/src/javaforce/controls/Controller.java b/src/javaforce/controls/Controller.java
index 5d67ac6f..f30fb0ee 100755
--- a/src/javaforce/controls/Controller.java
+++ b/src/javaforce/controls/Controller.java
@@ -86,6 +86,8 @@ public boolean connect(String url) {
       if (!netty) {
         netty = true;
         JFLog.log("Disabling netty unsafe usage!");
+        System.setProperty("io.netty.allocator.numDirectArenas", "0");
+        System.setProperty("io.netty.noPreferDirect", "true");
         System.setProperty("io.netty.noUnsafe", "true");
       }
       plcType = ControllerType.PLC4J;
@@ -97,7 +99,9 @@ public boolean connect(String url) {
       }
       try {
         plcConn = PlcDriverManager.getDefault().getConnectionManager().getConnection(url);
+        JFLog.log("Controller:conn=" + plcConn);
         plcDrv = PlcDriverManager.getDefault().getDriver(driver);
+        JFLog.log("Controller:driver=" + plcDrv);
         return true;
       } catch (Exception e) {
         JFLog.log(e);