AbstractMethodError with Play 2.6.15

[ashleymercer]

It looks like there have been some small changes in Play 2.6.15 (e.g. this change to the ApplicationClassLoaderProvider interface) which now cause AbstractMethodError.

[francisdb]

I can confirm this:

[error] java.lang.AbstractMethodError: kamon.aspectj.sbt.play.AspectJReloader$$anon$6.get()Ljava/net/URLClassLoader;
[error] 	at play.runsupport.classloader.DelegatingClassLoader.getResources(DelegatingClassLoader.java:46)
[error] 	at java.lang.ClassLoader.getResources(ClassLoader.java:1138)
[error] 	at org.aspectj.weaver.loadtime.DefaultWeavingContext.getResources(DefaultWeavingContext.java:51)
[error] 	at org.aspectj.weaver.loadtime.ClassLoaderWeavingAdaptor.parseDefinitions(ClassLoaderWeavingAdaptor.java:261)
[error] 	at org.aspectj.weaver.loadtime.DefaultWeavingContext.getDefinitions(DefaultWeavingContext.java:130)
[error] 	at org.aspectj.weaver.loadtime.ClassLoaderWeavingAdaptor.initialize(ClassLoaderWeavingAdaptor.java:156)
[error] 	at org.aspectj.weaver.loadtime.WeavingURLClassLoader.createAdaptor(WeavingURLClassLoader.java:171)
[error] 	at org.aspectj.weaver.loadtime.WeavingURLClassLoader.defineClass(WeavingURLClassLoader.java:132)
[error] 	at org.aspectj.weaver.bcel.ExtensibleURLClassLoader.defineClass(ExtensibleURLClassLoader.java:99)
[error] 	at org.aspectj.weaver.bcel.ExtensibleURLClassLoader.findClass(ExtensibleURLClassLoader.java:54)
[error] 	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
[error] 	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
[error] 	at kamon.aspectj.sbt.play.AspectJReloader$.startDevMode(AspectJReloader.scala:218)
[error] 	at kamon.aspectj.sbt.play.AspectJPlayRun$.devModeServer$lzycompute$1(AspectJPlayRun.scala:60)
[error] 	at kamon.aspectj.sbt.play.AspectJPlayRun$.devModeServer$1(AspectJPlayRun.scala:44)
[error] 	at kamon.aspectj.sbt.play.AspectJPlayRun$.$anonfun$playRunTask$3(AspectJPlayRun.scala:67)
[error] 	at kamon.aspectj.sbt.play.AspectJPlayRun$.$anonfun$playRunTask$3$adapted(AspectJPlayRun.scala:30)
[error] 	at scala.Function1.$anonfun$compose$1(Function1.scala:44)
[error] 	at sbt.internal.util.$tilde$greater.$anonfun$$u2219$1(TypeFunctions.scala:39)
[error] 	at sbt.std.Transform$$anon$4.work(System.scala:66)
[error] 	at sbt.Execute.$anonfun$submit$2(Execute.scala:263)
[error] 	at sbt.internal.util.ErrorHandling$.wideConvert(ErrorHandling.scala:16)
[error] 	at sbt.Execute.work(Execute.scala:272)
[error] 	at sbt.Execute.$anonfun$submit$1(Execute.scala:263)
[error] 	at sbt.ConcurrentRestrictions$$anon$4.$anonfun$submitValid$1(ConcurrentRestrictions.scala:174)
[error] 	at sbt.CompletionService$$anon$2.call(CompletionService.scala:37)
[error] 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[error] 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[error] 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[error] 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
[error] 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
[error] 	at java.lang.Thread.run(Thread.java:748)

[ashleymercer]

PR has been merged so closing this ticket.

[ivantopo]

Thanks @ashleymercer :)