High NoSuchMethodError count from Arc Event observers? #38076

maxandersen · 2024-01-06T18:10:46Z

maxandersen
Jan 6, 2024
Maintainer

For fun I was running with jfr enabled:

jbang --jfr=filename=profile.jfr,settings=profile hass-qli-early-access@maxandersen

this generates 28 NoSuchMethodError just to print out usage - this seem to be rooted in:

Stack Trace Count Percentage
void io.quarkus.arc.impl.EventImpl$ObserverExceptionHandler.() 2 7,14 %

If I do just a tad more like running actual code I goes to 72 NoSuchMethodError....

Whats weird is that I don't have an Event or observers in the user code at https://github.com/maxandersen/home-assistant-qli

...also shouldn't these no such method found be triggered at build time rather at runtime?

@Ladicek · 2024-01-06T18:10:48Z

quarkus-bot[bot]
bot Jan 6, 2024

/cc @Ladicek (arc), @manovotn (arc), @mkouba (arc), @quarkusio/devtools (jbang)

0 replies

manovotn · 2024-01-06T18:32:16Z

manovotn
Jan 6, 2024
Collaborator

Whats weird is that I don't have an Event or observers in the user code at https://github.com/maxandersen/home-assistant-qli

There are events for scope [de]activation, or container readiness - this could in theory be observed by some other extension and not your own code perhaps? Otherwise IIRC, the notifiers created for this should be optimized to only fire events when there are observers for it.

The stacktrace looks like this might be from the initialization of app context here?
That one uses the immediate exception handle defined here but I don't see what would be the issue there 🤔

3 replies

maxandersen Jan 6, 2024
Maintainer Author

Yeah, so you agree it at least shouldn't happen this many times in a <2s start/stop app, right? even in a long running one I wouldn't expect this many unknown methods...

I do use serialization/jackson here but even that shouldn't generate this many at runtime...

hmm - let me see what happens if i tell byteman to printstacktrace on any such occurrence. I'll be right back :)

maxandersen Jan 6, 2024
Maintainer Author

couldn't get byteman to trigger but did manage to log all the NoSuchMethodError messages:

Hit: 'void java.lang.invoke.DirectMethodHandle$Holder.invokeStatic(java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'java.lang.ClassLoader java.lang.Class.getClassLoader(java.lang.Class)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.invokeStatic(java.lang.Object, java.lang.Object, int)'
Hit: 'void java.lang.invoke.DelegatingMethodHandle$Holder.delegate(java.lang.Object, java.lang.Object, int, java.lang.Object)'
Hit: 'int java.lang.invoke.DirectMethodHandle$Holder.invokeSpecial(java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.invokeStatic(java.lang.Object, long, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.invokeStaticInit(java.lang.Object, long, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.newInvokeSpecial(java.lang.Object, long)'
Hit: 'void java.lang.invoke.DirectMethodHandle$Holder.invokeInterface(java.lang.Object, java.lang.Object)'
Hit: 'int java.lang.invoke.DirectMethodHandle$Holder.invokeInterface(java.lang.Object, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.Invokers$Holder.invokeExact_MT(java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'void java.lang.invoke.DirectMethodHandle$Holder.invokeSpecial(java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'int java.lang.invoke.DirectMethodHandle$Holder.invokeVirtual(java.lang.Object, java.lang.Object)'
Hit: 'void java.lang.invoke.Invokers$Holder.invoke_MT(java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.invokeInterface(java.lang.Object, java.lang.Object)'
Hit: 'void java.lang.invoke.DirectMethodHandle$Holder.invokeStatic(java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'void java.lang.invoke.DirectMethodHandle$Holder.invokeStaticInit(java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.newInvokeSpecial(java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'void java.lang.invoke.DirectMethodHandle$Holder.invokeInterface(java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.invokeStaticInit(java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'long java.lang.invoke.DirectMethodHandle$Holder.invokeInterface(java.lang.Object, java.lang.Object)'
Hit: 'long java.lang.invoke.DelegatingMethodHandle$Holder.reinvoke_L(java.lang.Object, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.invokeStaticInit(java.lang.Object, int)'
Hit: 'int java.lang.invoke.DirectMethodHandle$Holder.invokeStaticInit(java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.invokeStatic(java.lang.Object, int, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.invokeStaticInit(java.lang.Object, int, java.lang.Object)'
Hit: 'void java.lang.invoke.DirectMethodHandle$Holder.invokeStatic(java.lang.Object, java.lang.Object)'
Hit: 'int java.lang.invoke.DirectMethodHandle$Holder.invokeSpecialIFC(java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.invokeStaticInit(java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'long java.lang.invoke.DirectMethodHandle$Holder.invokeSpecial(java.lang.Object, java.lang.Object)'
Hit: 'long java.lang.invoke.DirectMethodHandle$Holder.invokeStatic(java.lang.Object, java.lang.Object)'
Hit: 'long java.lang.invoke.DirectMethodHandle$Holder.invokeStaticInit(java.lang.Object, java.lang.Object)'
Hit: 'void java.lang.invoke.Invokers$Holder.invokeExact_MT(java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.invokeInterface(java.lang.Object, java.lang.Object, int)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.invokeVirtual(java.lang.Object, java.lang.Object, int)'
Hit: 'void java.lang.invoke.DirectMethodHandle$Holder.invokeStaticInit(java.lang.Object, java.lang.Object)'
Hit: 'int java.lang.invoke.DirectMethodHandle$Holder.invokeStaticInit(java.lang.Object, java.lang.Object)'
Hit: 'void java.lang.invoke.DelegatingMethodHandle$Holder.reinvoke_L(java.lang.Object, java.lang.Object, int)'
Hit: 'int java.lang.invoke.Invokers$Holder.invokeExact_MT(java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'void java.lang.invoke.Invokers$Holder.invokeExact_MT(java.lang.Object, java.lang.Object, int, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.newInvokeSpecial(java.lang.Object, java.lang.Object, java.lang.Object, int)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.invokeSpecial(java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object, int)'
Hit: 'java.lang.Object java.lang.invoke.Invokers$Holder.linkToTargetMethod(java.lang.Object, java.lang.Object, int, java.lang.Object)'
Hit: 'void java.lang.invoke.DirectMethodHandle$Holder.invokeSpecial(java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.newInvokeSpecial(java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'java.lang.Object java.lang.invoke.DirectMethodHandle$Holder.newInvokeSpecial(java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object, java.lang.Object)'
Hit: 'void java.lang.invoke.DirectMethodHandle$Holder.invokeVirtual(java.lang.Object, java.lang.Object)'

They are all unique.

They weren't all called by event handling in arc though.

Here is a gist with the stacktrace for each of them: https://gist.github.com/maxandersen/db5f021a3d981406b8803997d497dd86

...isn't DirectMethodHandle indicator of it being our generated bytecode triggering it somewhere?

mkouba Jan 6, 2024
Collaborator

...isn't DirectMethodHandle indicator of it being our generated bytecode triggering it somewhere?

I don't think so.

This looks super weird 🤔

maxandersen · 2024-01-09T16:16:19Z

maxandersen
Jan 9, 2024
Maintainer Author

@franz1981 pointed me to https://bugs.openjdk.org/browse/JDK-8161588 which shows the JDK uses exception for flow control caused by resolveOrNull.

1 reply

mkouba Jan 9, 2024
Collaborator

Interesting, thanks for sharing.

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

High NoSuchMethodError count from Arc Event observers? #38076

Uh oh!

{{title}}

Uh oh!

Replies: 3 comments 4 replies

Uh oh!

{{title}}

Uh oh!

Uh oh!

{{title}}

Uh oh!

Uh oh!

{{editor}}'s edit

{{editor}}'s edit

Uh oh!

Uh oh!

{{title}}

Uh oh!

Uh oh!

{{title}}

Uh oh!

Uh oh!

{{title}}

Uh oh!

Uh oh!

{{title}}

Uh oh!

Uh oh!

{{title}}

Uh oh!

Select a reply

Uh oh!

High NoSuchMethodError count from Arc Event observers? #38076

Uh oh!

maxandersen Jan 6, 2024 Maintainer

Replies: 3 comments · 4 replies

Uh oh!

quarkus-bot[bot] bot Jan 6, 2024

Uh oh!

Uh oh!

manovotn Jan 6, 2024 Collaborator

Uh oh!

maxandersen Jan 6, 2024 Maintainer Author

Uh oh!

maxandersen Jan 6, 2024 Maintainer Author

Uh oh!

mkouba Jan 6, 2024 Collaborator

Uh oh!

maxandersen Jan 9, 2024 Maintainer Author

Uh oh!

mkouba Jan 9, 2024 Collaborator

maxandersen
Jan 6, 2024
Maintainer

Replies: 3 comments 4 replies

quarkus-bot[bot]
bot Jan 6, 2024

manovotn
Jan 6, 2024
Collaborator

maxandersen Jan 6, 2024
Maintainer Author

maxandersen Jan 6, 2024
Maintainer Author

mkouba Jan 6, 2024
Collaborator

maxandersen
Jan 9, 2024
Maintainer Author

mkouba Jan 9, 2024
Collaborator