Arduino: 1.5.8 (Windows 8), Board: "Arduino Due (Native USB Port)"
Sketch uses 158,156 bytes (30%) of program storage space. Maximum is 524,288 bytes.
processing.app.debug.RunnerException: Couldn't find a Board on the selected port. Check that you have the correct port selected. If it is correct, try pressing the board's reset button after initiating the upload.
at cc.arduino.packages.uploaders.SerialUploader.waitForUploadPort(SerialUploader.java:199)
at cc.arduino.packages.uploaders.SerialUploader.uploadUsingPreferences(SerialUploader.java:95)
at processing.app.Sketch.upload(Sketch.java:1713)
at processing.app.Sketch.exportApplet(Sketch.java:1624)
at processing.app.Sketch.exportApplet(Sketch.java:1596)
at processing.app.Editor$DefaultExportHandler.run(Editor.java:2392)
at java.lang.Thread.run(Unknown Source)
Couldn't find a Board on the selected port. Check that you have the correct port selected. If it is correct, try pressing the board's reset button after initiating the upload.
This report would have more information with
"Show verbose output during compilation"
enabled in File > Preferences.