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CAN Talon / Test Mode Crash
Using robot builder, and the latest software from CTRE. If I create a project with a single subsystem, and in that subsystem a single CAN Talon. When the code is deployed, and the robot enabled in test mode we get the following error.
Any ideas on how to resolve this? We do not use test mode a lot, but it does come in very handy when, well testing robots... Thanks :-) Code:
<TagVersion>1 <time> 06.899 <count> 1 <flags> 1 <Code> 1 <details> ERROR Unhandled exception: java.lang.NullPointerException: value cannot be null at [edu.wpi.first.wpilibj.networktables.NetworkTablesJNI.putString(Native Method), edu.wpi.first.wpilibj.networktables.NetworkTable.putString(NetworkTable.java:588), edu.wpi.first.wpilibj.livewindow.LiveWindow.initializeLiveWindowComponents(LiveWindow.java:51), edu.wpi.first.wpilibj.livewindow.LiveWindow.setEnabled(LiveWindow.java:74), edu.wpi.first.wpilibj.IterativeRobot.startCompetition(IterativeRobot.java:93), edu.wpi.first.wpilibj.RobotBase.main(RobotBase.java:247)] <location> edu.wpi.first.wpilibj.RobotBase.main(RobotBase.java:249) <stack> |
Re: CAN Talon / Test Mode Crash
Can you share the main Robot class?
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Re: CAN Talon / Test Mode Crash
Found the problem, we were using CTRE libraries downloaded around kickoff. There was newer libraries on their website. Downloading them, rebuilding, and deploying fixed the problem.
Thanks FYI we are now using 4.4.1.9 http://www.ctr-electronics.com/hro.h...ical_resources |
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