FIRST-Tech-Challenge
Event Loop Manager throwing IndexOutOfBoundsException
Every so often the robot will Emergency Stop with an IndexOutOfBoundsException
Here is an excerpt from the log file with the error:
10-30 17:47:29.355 972 1168 V Robocol : sending CMD_GAMEPAD_LED_EFFECT(10755), attempt: 0
10-30 17:47:29.359 972 1190 E EventLoopManager: java.lang.IndexOutOfBoundsException: Index: 9, Size: 9
10-30 17:47:29.362 972 1190 E EventLoopManager: at java.util.ArrayList.get(ArrayList.java:411)
10-30 17:47:29.368 972 1190 E EventLoopManager: at org.firstinspires.ftc.robotcore.internal.opmode.TelemetryImpl$LogImpl.get(TelemetryImpl.java:521)
10-30 17:47:29.373 972 1190 E EventLoopManager: at org.firstinspires.ftc.robotcore.internal.opmode.TelemetryImpl.saveToTransmitter(TelemetryImpl.java:787)
10-30 17:47:29.378 972 1190 E EventLoopManager: at org.firstinspires.ftc.robotcore.internal.opmode.TelemetryImpl.tryUpdate(TelemetryImpl.java:722)
10-30 17:47:29.383 972 1190 E EventLoopManager: at org.firstinspires.ftc.robotcore.internal.opmode.TelemetryImpl.tryUpdateIfDirty(TelemetryImpl.java:692)
10-30 17:47:29.388 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.opmode.LinearOpMode.internalOnEventLoopIteration(LinearOpMode.java:223)
10-30 17:47:29.394 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.opmode.OpModeManagerImpl.checkOnActiveOpMode(OpModeManagerImpl.java:801)
10-30 17:47:29.398 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.opmode.OpModeManagerImpl.runActiveOpMode(OpModeManagerImpl.java:444)
10-30 17:47:29.400 972 1190 E EventLoopManager: at com.qualcomm.ftccommon.FtcEventLoop.loop(FtcEventLoop.java:288)
10-30 17:47:29.402 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.EventLoopManager$EventLoopRunnable$1.run(EventLoopManager.java:324)
10-30 17:47:29.404 972 1190 E EventLoopManager: at com.qualcomm.robotcore.util.ThreadPool.logThreadLifeCycle(ThreadPool.java:737)
10-30 17:47:29.405 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.EventLoopManager$EventLoopRunnable.run(EventLoopManager.java:267)
10-30 17:47:29.406 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.EventLoopManager$1.run(EventLoopManager.java:606)
10-30 17:47:29.412 972 1190 E EventLoopManager: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
10-30 17:47:29.414 972 1190 E EventLoopManager: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
10-30 17:47:29.415 972 1190 E EventLoopManager: at com.qualcomm.robotcore.util.ThreadPool$ThreadFactoryImpl$1.run(ThreadPool.java:793)
10-30 17:47:29.415 972 1190 E EventLoopManager: at java.lang.Thread.run(Thread.java:761)
10-30 17:47:29.416 972 1190 V EventLoopManager: RobotCoreException in EventLoopManager
10-30 17:47:29.420 972 1190 E EventLoopManager: com.qualcomm.robotcore.exception.RobotCoreException: EventLoop Exception in loop(): IndexOutOfBoundsException - Index: 9, Size: 9
10-30 17:47:29.421 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.EventLoopManager$EventLoopRunnable$1.run(EventLoopManager.java:333)
10-30 17:47:29.422 972 1190 E EventLoopManager: at com.qualcomm.robotcore.util.ThreadPool.logThreadLifeCycle(ThreadPool.java:737)
10-30 17:47:29.423 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.EventLoopManager$EventLoopRunnable.run(EventLoopManager.java:267)
10-30 17:47:29.424 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.EventLoopManager$1.run(EventLoopManager.java:606)
10-30 17:47:29.424 972 1190 E EventLoopManager: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
10-30 17:47:29.425 972 1190 E EventLoopManager: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
10-30 17:47:29.426 972 1190 E EventLoopManager: at com.qualcomm.robotcore.util.ThreadPool$ThreadFactoryImpl$1.run(ThreadPool.java:793)
10-30 17:47:29.427 972 1190 E EventLoopManager: at java.lang.Thread.run(Thread.java:761)
10-30 17:47:29.427 972 1190 V RobotCore: EventLoopManager state is EMERGENCY_STOP
10-30 17:47:29.427 972 1190 V RobotCore: Robot Status: EMERGENCY STOP
10-30 17:47:29.430 972 1164 D RobotCore: system telemetry: key=$System$Error$ msg="System exception: IndexOutOfBoundsException - Index: 9, Size: 9"
10-30 17:47:29.432 972 1190 I FtcEventLoop: ======= TEARDOWN =======```
What version of the robot controller are you using?
Also, can you please send the code of the OpMode you are running?
Thanks,
Alan
On Thu, Oct 31, 2024 at 3:18 PM js802025 @.***> wrote:
Every so often the robot will Emergency Stop with an IndexOutOfBoundsException
Here is an excerpt from the log file with the error:
10-30 17:47:29.355 972 1168 V Robocol : sending CMD_GAMEPAD_LED_EFFECT(10755), attempt: 0 10-30 17:47:29.359 972 1190 E EventLoopManager: java.lang.IndexOutOfBoundsException: Index: 9, Size: 9 10-30 17:47:29.362 972 1190 E EventLoopManager: at java.util.ArrayList.get(ArrayList.java:411) 10-30 17:47:29.368 972 1190 E EventLoopManager: at org.firstinspires.ftc.robotcore.internal.opmode.TelemetryImpl$LogImpl.get(TelemetryImpl.java:521) 10-30 17:47:29.373 972 1190 E EventLoopManager: at org.firstinspires.ftc.robotcore.internal.opmode.TelemetryImpl.saveToTransmitter(TelemetryImpl.java:787) 10-30 17:47:29.378 972 1190 E EventLoopManager: at org.firstinspires.ftc.robotcore.internal.opmode.TelemetryImpl.tryUpdate(TelemetryImpl.java:722) 10-30 17:47:29.383 972 1190 E EventLoopManager: at org.firstinspires.ftc.robotcore.internal.opmode.TelemetryImpl.tryUpdateIfDirty(TelemetryImpl.java:692) 10-30 17:47:29.388 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.opmode.LinearOpMode.internalOnEventLoopIteration(LinearOpMode.java:223) 10-30 17:47:29.394 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.opmode.OpModeManagerImpl.checkOnActiveOpMode(OpModeManagerImpl.java:801) 10-30 17:47:29.398 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.opmode.OpModeManagerImpl.runActiveOpMode(OpModeManagerImpl.java:444) 10-30 17:47:29.400 972 1190 E EventLoopManager: at com.qualcomm.ftccommon.FtcEventLoop.loop(FtcEventLoop.java:288) 10-30 17:47:29.402 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.EventLoopManager$EventLoopRunnable$1.run(EventLoopManager.java:324) 10-30 17:47:29.404 972 1190 E EventLoopManager: at com.qualcomm.robotcore.util.ThreadPool.logThreadLifeCycle(ThreadPool.java:737) 10-30 17:47:29.405 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.EventLoopManager$EventLoopRunnable.run(EventLoopManager.java:267) 10-30 17:47:29.406 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.EventLoopManager$1.run(EventLoopManager.java:606) 10-30 17:47:29.412 972 1190 E EventLoopManager: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133) 10-30 17:47:29.414 972 1190 E EventLoopManager: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607) 10-30 17:47:29.415 972 1190 E EventLoopManager: at com.qualcomm.robotcore.util.ThreadPool$ThreadFactoryImpl$1.run(ThreadPool.java:793) 10-30 17:47:29.415 972 1190 E EventLoopManager: at java.lang.Thread.run(Thread.java:761) 10-30 17:47:29.416 972 1190 V EventLoopManager: RobotCoreException in EventLoopManager 10-30 17:47:29.420 972 1190 E EventLoopManager: com.qualcomm.robotcore.exception.RobotCoreException: EventLoop Exception in loop(): IndexOutOfBoundsException - Index: 9, Size: 9 10-30 17:47:29.421 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.EventLoopManager$EventLoopRunnable$1.run(EventLoopManager.java:333) 10-30 17:47:29.422 972 1190 E EventLoopManager: at com.qualcomm.robotcore.util.ThreadPool.logThreadLifeCycle(ThreadPool.java:737) 10-30 17:47:29.423 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.EventLoopManager$EventLoopRunnable.run(EventLoopManager.java:267) 10-30 17:47:29.424 972 1190 E EventLoopManager: at com.qualcomm.robotcore.eventloop.EventLoopManager$1.run(EventLoopManager.java:606) 10-30 17:47:29.424 972 1190 E EventLoopManager: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133) 10-30 17:47:29.425 972 1190 E EventLoopManager: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607) 10-30 17:47:29.426 972 1190 E EventLoopManager: at com.qualcomm.robotcore.util.ThreadPool$ThreadFactoryImpl$1.run(ThreadPool.java:793) 10-30 17:47:29.427 972 1190 E EventLoopManager: at java.lang.Thread.run(Thread.java:761) 10-30 17:47:29.427 972 1190 V RobotCore: EventLoopManager state is EMERGENCY_STOP 10-30 17:47:29.427 972 1190 V RobotCore: Robot Status: EMERGENCY STOP 10-30 17:47:29.430 972 1164 D RobotCore: system telemetry: key=$System$Error$ msg="System exception: IndexOutOfBoundsException - Index: 9, Size: 9" 10-30 17:47:29.432 972 1190 I FtcEventLoop: ======= TEARDOWN =======```
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We're using version 10.1.0. Here is the link to the OpMode: https://github.com/fwprobotics/3507-IntoTheDeep/blob/master/TeamCode/src/main/java/org/firstinspires/ftc/teamcode/teleop/TeleOpZones.java