processing.app.SerialException: Error opening serial port '/dev/ttyACM0'.

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    Root Cause Analysis

    1. gnu.io.UnsupportedCommOperationException

      Invalid Parameter

      at gnu.io.RXTXPort.setSerialPortParams()
    2. RXTX
      RXTXPort.setSerialPortParams
      1. gnu.io.RXTXPort.setSerialPortParams(RXTXPort.java:171)
      1 frame
    3. processing.app
      EditorToolbar.mousePressed
      1. processing.app.Serial.<init>(Serial.java:163)
      2. processing.app.Serial.<init>(Serial.java:92)
      3. processing.app.SerialMonitor.openSerialPort(SerialMonitor.java:207)
      4. processing.app.Editor.handleSerial(Editor.java:2447)
      5. processing.app.EditorToolbar.mousePressed(EditorToolbar.java:353)
      5 frames
    4. Java RT
      EventDispatchThread.run
      1. java.awt.Component.processMouseEvent(Component.java:6386)
      2. javax.swing.JComponent.processMouseEvent(JComponent.java:3268)
      3. java.awt.Component.processEvent(Component.java:6154)
      4. java.awt.Container.processEvent(Container.java:2045)
      5. java.awt.Component.dispatchEventImpl(Component.java:4750)
      6. java.awt.Container.dispatchEventImpl(Container.java:2103)
      7. java.awt.Component.dispatchEvent(Component.java:4576)
      8. java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4633)
      9. java.awt.LightweightDispatcher.processMouseEvent(Container.java:4294)
      10. java.awt.LightweightDispatcher.dispatchEvent(Container.java:4227)
      11. java.awt.Container.dispatchEventImpl(Container.java:2089)
      12. java.awt.Window.dispatchEventImpl(Window.java:2518)
      13. java.awt.Component.dispatchEvent(Component.java:4576)
      14. java.awt.EventQueue.dispatchEventImpl(EventQueue.java:672)
      15. java.awt.EventQueue.access$400(EventQueue.java:96)
      16. java.awt.EventQueue$2.run(EventQueue.java:631)
      17. java.awt.EventQueue$2.run(EventQueue.java:629)
      18. java.security.AccessController.doPrivileged(Native Method)
      19. java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105)
      20. java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:116)
      21. java.awt.EventQueue$3.run(EventQueue.java:645)
      22. java.awt.EventQueue$3.run(EventQueue.java:643)
      23. java.security.AccessController.doPrivileged(Native Method)
      24. java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105)
      25. java.awt.EventQueue.dispatchEvent(EventQueue.java:642)
      26. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)
      27. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)
      28. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
      29. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185)
      30. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)
      31. java.awt.EventDispatchThread.run(EventDispatchThread.java:138)
      31 frames