Click "insert at cursor" when the whole text selected in the file throw errors

[gusti-andika]

Describe the bug

When tried to insert at curser to file when whole its content is selected, toolkit throws ArrayIndexOutOfBoundException
To reproduce
Steps to reproduce the behavior: -

1. Go to 'Amazon Q Chat Window'
2. Open the file to apply the AI suggested code changes
3. Select all text in the file
4. From 'Amazon Q Chat Window' Click on 'Insert at Cursor' at suggested code changes
5. Error thrown

Expected behavior
The suggested changes by Amazon Q should be applied to the file replacing the currently selected content

Stacktrace
Unhandled exception in [CoroutineName(software.aws.toolkits.jetbrains.services.cwc.App), com.intellij.util.concurrency.AppScheduledExecutorService$BackendThreadPoolExecutor@639dda70[Running, pool size = 5, active threads = 3, queued tasks = 0, completed tasks = 666169]]

java.lang.IndexOutOfBoundsException: Wrong offset: 667; documentLength: 0
at com.intellij.openapi.editor.impl.DocumentImpl.insertString(DocumentImpl.java:560)
at software.aws.toolkits.jetbrains.services.cwc.controller.ChatController$processInsertCodeAtCursorPosition$2.invokeSuspend$lambda$1$lambda$0(ChatController.kt:226)
at com.intellij.openapi.command.WriteCommandAction.lambda$runWriteCommandAction$4(WriteCommandAction.java:341)
at com.intellij.openapi.command.WriteCommandAction$BuilderImpl.lambda$doRunWriteCommandAction$1(WriteCommandAction.java:147)
at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteAction$lambda$5(AnyThreadWriteThreadingSupport.kt:379)
at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteAction(AnyThreadWriteThreadingSupport.kt:389)
at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteAction(AnyThreadWriteThreadingSupport.kt:379)
at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:896)
at com.intellij.openapi.command.WriteCommandAction$BuilderImpl.lambda$doRunWriteCommandAction$2(WriteCommandAction.java:145)
at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:226)
at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:188)
at com.intellij.openapi.command.WriteCommandAction$BuilderImpl.doRunWriteCommandAction(WriteCommandAction.java:154)
at com.intellij.openapi.command.WriteCommandAction$BuilderImpl.run(WriteCommandAction.java:121)
at com.intellij.openapi.command.WriteCommandAction.runWriteCommandAction(WriteCommandAction.java:341)
at com.intellij.openapi.command.WriteCommandAction.runWriteCommandAction(WriteCommandAction.java:329)
at software.aws.toolkits.jetbrains.services.cwc.controller.ChatController$processInsertCodeAtCursorPosition$2.invokeSuspend$lambda$1(ChatController.kt:221)
at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteAction$lambda$5(AnyThreadWriteThreadingSupport.kt:379)
at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteAction(AnyThreadWriteThreadingSupport.kt:389)
at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteAction(AnyThreadWriteThreadingSupport.kt:379)
at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:896)
at software.aws.toolkits.jetbrains.services.cwc.controller.ChatController$processInsertCodeAtCursorPosition$2.invokeSuspend(ChatController.kt:220)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:104)
at com.intellij.openapi.application.impl.DispatchedRunnable.run(DispatchedRunnable.kt:44)
at com.intellij.openapi.application.TransactionGuardImpl.runWithWritingAllowed(TransactionGuardImpl.java:236)
at com.intellij.openapi.application.TransactionGuardImpl.access$100(TransactionGuardImpl.java:25)
at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:218)
at com.intellij.openapi.application.impl.FlushQueue.runNextEvent(FlushQueue.java:117)
at com.intellij.openapi.application.impl.FlushQueue.flushNow(FlushQueue.java:43)
at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:781)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:728)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:722)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:750)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:675)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:573)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$18$lambda$17$lambda$16$lambda$15(IdeEventQueue.kt:355)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:857)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$18$lambda$17$lambda$16(IdeEventQueue.kt:354)
at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$2$lambda$1(IdeEventQueue.kt:1045)
at com.intellij.openapi.application.WriteIntentReadAction.lambda$run$0(WriteIntentReadAction.java:24)
at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteIntentReadAction(AnyThreadWriteThreadingSupport.kt:128)
at com.intellij.openapi.application.impl.ApplicationImpl.runWriteIntentReadAction(ApplicationImpl.java:916)
at com.intellij.openapi.application.WriteIntentReadAction.compute(WriteIntentReadAction.java:55)
at com.intellij.openapi.application.WriteIntentReadAction.run(WriteIntentReadAction.java:23)
at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$2(IdeEventQueue.kt:1045)
at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$3(IdeEventQueue.kt:1054)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:109)
at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:1054)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$18(IdeEventQueue.kt:349)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:395)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)
Suppressed: kotlinx.coroutines.internal.DiagnosticCoroutineContextException: [CoroutineName(software.aws.toolkits.jetbrains.services.cwc.App), StandaloneCoroutine{Cancelled}@4333d82, com.intellij.util.concurrency.AppScheduledExecutorService$BackendThreadPoolExecutor@639dda70[Running, pool size = 5, active threads = 2, queued tasks = 0, completed tasks = 667343]]

Your Environment

• OS: Mac OS 15.1
• JetBrains product: IntelliJ CE
• JetBrains product version: #IC-243.21565.193
• AWS Toolkit version: Amazon Q (3.40-243)
• SAM CLI version:
• JVM: 21.0.5+8-b631.16 aarch64 (JCEF 122.1.9) OpenJDK 64-Bit Server VM by JetBrains s.r.o.