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square / retrofit

A type-safe HTTP client for Android and the JVM

Home Page:https://square.github.io/retrofit/

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Object cannot be cast to class retrofit2.ServiceMethod

swankjesse opened this issue · comments

commented

I ran into this with Retrofit 2.10.

java.lang.ClassCastException: class java.lang.Object cannot be cast to class retrofit2.ServiceMethod (java.lang.Object is in module java.base of loader 'bootstrap'; retrofit2.ServiceMethod is in unnamed module of loader 'app')
	at retrofit2.Retrofit.loadServiceMethod(Retrofit.java:246)
	at retrofit2.Retrofit$1.invoke(Retrofit.java:177)
	at jdk.proxy3/jdk.proxy3.$Proxy139.addPullRequestLabel(Unknown Source)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at misk.client.ClientInvocationHandler.invoke(ClientInvocationHandler.kt:125)
	at jdk.proxy3/jdk.proxy3.$Proxy139.addPullRequestLabel(Unknown Source)
	at com.squareup.cash.treelot.github.PullRequestMaker.addLabels(PullRequestMaker.kt:237)
commented

I had misconfigured my method, but rather than a helpful error message I got a Retrofit internal crash. I think we need to make loadServiceMethod handle the case where parseAnnotations throws.