When I try to use the Coroutines tab in IntelliJ IDEA s debu

Question

When I try to use the Coroutines tab in IntelliJ IDEA s debugger it says An error occurred on fetching information How do I get it working

xenomachina · Answer

Here are the About window details in case any of that helps gt IntelliJ IDEA 2020 3 2 Community Edition gt Build IC 203 7148 57 built on January 25 2021 gt Runtime version 11 0 9 1+11 b1145 77 amd64 gt VM OpenJDK 64 Bit Server VM by JetBrains s r o gt Linux 5 3 0 7648 generic gt GC G1 Young Generation G1 Old Generation gt Memory 2048M gt Cores 12 gt Non Bundled Plugins IdeaVIM org jetbrains kotlin kotest plugin intellij gt Current Desktop i3

xenomachina · Answer

Clicking or double clicking on the An error occurred message doesn t provide any additional information

xenomachina · Answer

Ah I just noticed that there s a stack trace being dumped in the console

xenomachina · Answer

```2021 03 11 08 43 53 855 408724185 ERROR roxy CoroutineDebugProbesProxy Exception is thrown by calling dumpCoroutines java lang IllegalArgumentException Argument for NotNull parameter refType of com intellij debugger engine DebuggerUtils findMethod must not be null at com intellij debugger engine DebuggerUtils $$$reportNull$$$0 DebuggerUtils java at com intellij debugger engine DebuggerUtils findMethod DebuggerUtils java at com intellij debugger jdi GeneratedLocation lt init gt GeneratedLocation java 21 at org jetbrains kotlin idea debugger coroutine proxy LocationCache createLocation LocationCache kt 36 at org jetbrains kotlin idea debugger coroutine proxy LocationCache createLocation LocationCache kt 17 at org jetbrains kotlin idea debugger coroutine proxy CoroutineLibraryAgent2Proxy findStackFrames CoroutineLibraryAgent2Proxy kt 86 at org jetbrains kotlin idea debugger coroutine proxy CoroutineLibraryAgent2Proxy mapToCoroutineInfoData CoroutineLibraryAgent2Proxy kt 37 at org jetbrains kotlin idea debugger coroutine proxy CoroutineLibraryAgent2Proxy dumpCoroutinesInfo CoroutineLibraryAgent2Proxy kt 30 at org jetbrains kotlin idea debugger coroutine proxy CoroutineDebugProbesProxy dumpCoroutines CoroutineDebugProbesProxy kt 29 at org jetbrains kotlin idea debugger coroutine view XCoroutineView$CoroutineGroupContainer$computeChildren$1 invoke XCoroutineView kt 154 at org jetbrains kotlin idea debugger coroutine view XCoroutineView$CoroutineGroupContainer$computeChildren$1 invoke XCoroutineView kt 147 at org jetbrains kotlin idea debugger coroutine proxy ManagerThreadExecutor$ManagerThreadExecutorInstance$makeCommand$1 contextAction ManagerThreadExecutor kt 45 at com intellij debugger engine events SuspendContextCommandImpl action SuspendContextCommandImpl java 57 at com intellij debugger engine events DebuggerCommandImpl run DebuggerCommandImpl java 43 at com intellij debugger engine DebuggerManagerThreadImpl processEvent DebuggerManagerThreadImpl java 154 at com intellij debugger engine DebuggerManagerThreadImpl processEvent DebuggerManagerThreadImpl java 29 at com intellij debugger impl InvokeThread lambda$run$0 InvokeThread java 138 at com intellij openapi project DumbService runWithAlternativeResolveEnabled DumbService java 367 at com intellij debugger impl InvokeThread run InvokeThread java 125 at com intellij debugger impl InvokeThread$WorkerThreadRequest lambda$run$0 InvokeThread java 49 at com intellij util ConcurrencyUtil runUnderThreadName ConcurrencyUtil java 208 at com intellij debugger impl InvokeThread$WorkerThreadRequest run InvokeThread java 48 at com intellij util RunnableCallable call RunnableCallable java 20 at com intellij util RunnableCallable call RunnableCallable java 11 at com intellij openapi application impl ApplicationImpl$1 call ApplicationImpl java 270 at java base java util concurrent FutureTask run FutureTask java 264 at java base java util concurrent ThreadPoolExecutor runWorker ThreadPoolExecutor java 1128 at java base java util concurrent ThreadPoolExecutor$Worker run ThreadPoolExecutor java 628 at java base java util concurrent Executors$PrivilegedThreadFactory$1$1 run Executors java 668 at java base java util concurrent Executors$PrivilegedThreadFactory$1$1 run Executors java 665 at java base java security AccessController doPrivileged Native Method at java base java util concurrent Executors$PrivilegedThreadFactory$1 run Executors java 665 at java base java lang Thread run Thread java 834 2021 03 11 08 43 53 855 408724185 ERROR roxy CoroutineDebugProbesProxy IntelliJ IDEA 2020 3 2 Build IC 203 7148 57 2021 03 11 08 43 53 855 408724185 ERROR roxy CoroutineDebugProbesProxy JDK 11 0 9 1 VM OpenJDK 64 Bit Server VM Vendor JetBrains s r o 2021 03 11 08 43 53 855 408724185 ERROR roxy CoroutineDebugProbesProxy OS Linux 2021 03 11 08 43 53 855 408724185 ERROR roxy CoroutineDebugProbesProxy Plugin to blame Kotlin version 203 1 4 31 release IJ7148 5 2021 03 11 08 43 53 855 408724185 ERROR roxy CoroutineDebugProbesProxy Last Action Rerun ```

louiscad · Answer

Then it s a good candidate for a proper report on <http kotl in issue|kotl in issue>

xenomachina · Answer