Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Ask Ubuntu by JDD
, 1 year ago
Error opening serial port '/dev/ttyACM0'.
via robotsource.org by Unknown author, 2 years ago
Serial port 'COM12' already in use. Try quiting any programs that may be using it.
via GitHub by tr2000
, 2 years ago
Error opening serial port '/dev/ttyACM0'.
via Ask Ubuntu by Chinmay Harmalkar
, 1 year ago
Error opening serial port '/dev/ttyACM0'.
via askubuntu.com by Unknown author, 2 years ago
Error when opening serial port '/dev/ttyUSB0'.
gnu.io.UnsupportedCommOperationException: Invalid Parameter	at gnu.io.RXTXPort.setSerialPortParams(RXTXPort.java:171)	at processing.app.Serial.(Serial.java:163)	at processing.app.Serial.(Serial.java:92)	at processing.app.SerialMonitor.openSerialPort(SerialMonitor.java:207)	at processing.app.Editor.handleSerial(Editor.java:2447)	at processing.app.EditorToolbar.mousePressed(EditorToolbar.java:353)	at java.awt.Component.processMouseEvent(Component.java:6386)	at javax.swing.JComponent.processMouseEvent(JComponent.java:3268)	at java.awt.Component.processEvent(Component.java:6154)	at java.awt.Container.processEvent(Container.java:2045)	at java.awt.Component.dispatchEventImpl(Component.java:4750)	at java.awt.Container.dispatchEventImpl(Container.java:2103)	at java.awt.Component.dispatchEvent(Component.java:4576)	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4633)	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4294)	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4227)	at java.awt.Container.dispatchEventImpl(Container.java:2089)	at java.awt.Window.dispatchEventImpl(Window.java:2518)	at java.awt.Component.dispatchEvent(Component.java:4576)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:672)	at java.awt.EventQueue.access$400(EventQueue.java:96)	at java.awt.EventQueue$2.run(EventQueue.java:631)	at java.awt.EventQueue$2.run(EventQueue.java:629)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105)	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:116)	at java.awt.EventQueue$3.run(EventQueue.java:645)	at java.awt.EventQueue$3.run(EventQueue.java:643)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:642)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:138)