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Spring Web 6.0.0-M6 breaks Kotlin support for (De-)Serialization in some edge-cases #29192

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Evenprime opened this issue Sep 23, 2022 · 2 comments
Closed

Spring Web 6.0.0-M6 breaks Kotlin support for (De-)Serialization in some edge-cases #29192

Evenprime opened this issue Sep 23, 2022 · 2 comments
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@sdeleuze
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status: feedback-provided Feedback has been provided theme: kotlin An issue related to Kotlin support type: regression A bug that is also a regression
Milestone
6.0.0-RC1

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@Evenprime
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Affects:

Spring Web 6.0.0-M6
Kotlin 1.7.10

Caused by #29068

(De-)Serialization behaviour changed (probably unintentionally when going ) due to a change in how serializer is looked up by spring web framwork, if Kotlin is used. The relevant change happened fixing issue mentioned above. Worked fine in Spring Web 6.0.0-M5 .

Contrary to what the new method name might imply, the call SerializersKt.serializerOrNull(type); does NOT always return null if no valid serializer is found, but might also throw an IllegalArgumentExcepton if the type variable is not an instance of a certain predefined type:

throw IllegalArgumentException("typeToken should be an instance of Class<?>, GenericArray, ParametrizedType or WildcardType, but actual type is $it ${it::class}")

Previously, spring used the SerializersKt.serializer(...) method and caught all exceptions. Now it no longer catches exceptions at the places where SerializersKt.serializerOrNull(type); is used.

Spring doesn't ensure that type is any of these instances before calling SerializersKt.serializerOrNull(type);, therefore this exception will get thrown and not caught (I noticed it in one of my projects when calling the HealthCheck actuator endpoint).

Potential fixes would be to roll back the above change, or still have a try/catch block, but potentially narrowed down to only cover the
SerializersKt.serializerOrNull(type); calls instead.
@spring-projects-issues spring-projects-issues added the status: waiting-for-triage An issue we've not yet triaged or decided on label Sep 23, 2022
@sdeleuze sdeleuze self-assigned this Sep 23, 2022
@sdeleuze sdeleuze added type: regression A bug that is also a regression theme: kotlin An issue related to Kotlin support and removed status: waiting-for-triage An issue we've not yet triaged or decided on labels Sep 23, 2022
@sdeleuze sdeleuze added this to the 6.0.0-RC1 milestone Sep 23, 2022
@sdeleuze
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Could you please share a failing test case?

@sdeleuze sdeleuze added the status: waiting-for-feedback We need additional information before we can continue label Sep 23, 2022
@Evenprime
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Evenprime commented Sep 23, 2022 •
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Sure. I've uploaded a minimalistic example to github: https://github.com/Evenprime/springtestcase

It contains only of an empty application and a test case that calls the actuator health endpoint. This results in the following exception stacktrace:

jakarta.servlet.ServletException: Request processing failed: java.lang.IllegalArgumentException: typeToken should be an instance of Class<?>, GenericArray, ParametrizedType or WildcardType, but actual type is org.springframework.core.ResolvableType$EmptyType@b9b97ad class org.springframework.core.ResolvableType$EmptyType (Kotlin reflection is not available)
	at app//org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1011)
	at app//org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:895)
	at app//jakarta.servlet.http.HttpServlet.service(HttpServlet.java:668)
	at app//org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:880)
	at app//org.springframework.test.web.servlet.TestDispatcherServlet.service(TestDispatcherServlet.java:72)
	at app//jakarta.servlet.http.HttpServlet.service(HttpServlet.java:777)
	at app//org.springframework.mock.web.MockFilterChain$ServletFilterProxy.doFilter(MockFilterChain.java:165)
	at app//org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:132)
	at app//org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
	at app//org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at app//org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:132)
	at app//org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
	at app//org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at app//org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:132)
	at app//org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:94)
	at app//org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at app//org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:132)
	at app//org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
	at app//org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at app//org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:132)
	at app//org.springframework.test.web.servlet.MockMvc.perform(MockMvc.java:201)
	at app//org.springframework.test.web.servlet.MockHttpServletRequestDsl.perform$spring_test(MockHttpServletRequestDsl.kt:207)
	at app//org.springframework.test.web.servlet.MockMvcExtensionsKt.get(MockMvcExtensions.kt:32)
	at app//org.springframework.test.web.servlet.MockMvcExtensionsKt.get$default(MockMvcExtensions.kt:30)
	at app//com.springwebtestcase.ActuatorTest.The health endpoint can be accessed(ActuatorTest.kt:20)
	at [email protected]/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at [email protected]/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at [email protected]/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at [email protected]/java.lang.reflect.Method.invoke(Method.java:568)
	at app//org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:727)
	at app//org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
	at app//org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
	at app//org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:156)
	at app//org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:147)
	at app//org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:86)
	at app//org.junit.jupiter.engine.execution.InterceptingExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(InterceptingExecutableInvoker.java:103)
	at app//org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.lambda$invoke$0(InterceptingExecutableInvoker.java:93)
	at app//org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
	at app//org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)
	at app//org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)
	at app//org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)
	at app//org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invoke(InterceptingExecutableInvoker.java:92)
	at app//org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invoke(InterceptingExecutableInvoker.java:86)
	at app//org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$7(TestMethodTestDescriptor.java:217)
	at app//org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at app//org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:213)
	at app//org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:138)
	at app//org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:68)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151)
	at app//org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
	at app//org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
	at app//org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
	at [email protected]/java.util.ArrayList.forEach(ArrayList.java:1511)
	at app//org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)
	at app//org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
	at app//org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
	at app//org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
	at [email protected]/java.util.ArrayList.forEach(ArrayList.java:1511)
	at app//org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)
	at app//org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
	at app//org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
	at app//org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
	at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
	at app//org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35)
	at app//org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
	at app//org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52)
	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114)
	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86)
	at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86)
	at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:53)
	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses(JUnitPlatformTestClassProcessor.java:99)
	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access$000(JUnitPlatformTestClassProcessor.java:79)
	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop(JUnitPlatformTestClassProcessor.java:75)
	at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:61)
	at [email protected]/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at [email protected]/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at [email protected]/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at [email protected]/java.lang.reflect.Method.invoke(Method.java:568)
	at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
	at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
	at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
	at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)
	at jdk.proxy1/jdk.proxy1.$Proxy2.stop(Unknown Source)
	at org.gradle.api.internal.tasks.testing.worker.TestWorker$3.run(TestWorker.java:193)
	at org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName(TestWorker.java:129)
	at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:100)
	at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:60)
	at org.gradle.process.internal.worker.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:56)
	at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:133)
	at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:71)
	at app//worker.org.gradle.process.internal.worker.GradleWorkerMain.run(GradleWorkerMain.java:69)
	at app//worker.org.gradle.process.internal.worker.GradleWorkerMain.main(GradleWorkerMain.java:74)
Caused by: java.lang.IllegalArgumentException: typeToken should be an instance of Class<?>, GenericArray, ParametrizedType or WildcardType, but actual type is org.springframework.core.ResolvableType$EmptyType@b9b97ad class org.springframework.core.ResolvableType$EmptyType (Kotlin reflection is not available)
	at kotlinx.serialization.SerializersKt__SerializersJvmKt.serializerByJavaTypeImpl$SerializersKt__SerializersJvmKt(SerializersJvm.kt:127)
	at kotlinx.serialization.SerializersKt__SerializersJvmKt.serializerOrNull(SerializersJvm.kt:76)
	at kotlinx.serialization.SerializersKt.serializerOrNull(Unknown Source)
	at kotlinx.serialization.SerializersKt__SerializersJvmKt.serializerOrNull(SerializersJvm.kt:43)
	at kotlinx.serialization.SerializersKt.serializerOrNull(Unknown Source)
	at org.springframework.http.converter.json.KotlinSerializationJsonHttpMessageConverter.serializer(KotlinSerializationJsonHttpMessageConverter.java:176)
	at org.springframework.http.converter.json.KotlinSerializationJsonHttpMessageConverter.canWrite(KotlinSerializationJsonHttpMessageConverter.java:99)
	at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:286)
	at org.springframework.web.servlet.mvc.method.annotation.HttpEntityMethodProcessor.handleReturnValue(HttpEntityMethodProcessor.java:238)
	at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:78)
	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:135)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:898)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:810)
	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1075)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:968)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1003)
	... 109 more

The same can be observed when starting the application and querying the endpoint /actuator/health directly:

2022-09-23T16:32:59.123+02:00 ERROR 5291 --- [nio-8080-exec-1] o.a.c.c.C.[.[.[/].[dispatcherServlet]    : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed: java.lang.IllegalArgumentException: typeToken should be an instance of Class<?>, GenericArray, ParametrizedType or WildcardType, but actual type is org.springframework.core.ResolvableType$EmptyType@4e6ab5bc class org.springframework.core.ResolvableType$EmptyType (Kotlin reflection is not available)] with root cause

java.lang.IllegalArgumentException: typeToken should be an instance of Class<?>, GenericArray, ParametrizedType or WildcardType, but actual type is org.springframework.core.ResolvableType$EmptyType@4e6ab5bc class org.springframework.core.ResolvableType$EmptyType (Kotlin reflection is not available)
	at kotlinx.serialization.SerializersKt__SerializersJvmKt.serializerByJavaTypeImpl$SerializersKt__SerializersJvmKt(SerializersJvm.kt:127) ~[kotlinx-serialization-core-jvm-1.4.0.jar:1.4.0]
	at kotlinx.serialization.SerializersKt__SerializersJvmKt.serializerOrNull(SerializersJvm.kt:76) ~[kotlinx-serialization-core-jvm-1.4.0.jar:1.4.0]
	at kotlinx.serialization.SerializersKt.serializerOrNull(Unknown Source) ~[kotlinx-serialization-core-jvm-1.4.0.jar:1.4.0]
	at kotlinx.serialization.SerializersKt__SerializersJvmKt.serializerOrNull(SerializersJvm.kt:43) ~[kotlinx-serialization-core-jvm-1.4.0.jar:1.4.0]
	at kotlinx.serialization.SerializersKt.serializerOrNull(Unknown Source) ~[kotlinx-serialization-core-jvm-1.4.0.jar:1.4.0]
	at org.springframework.http.converter.json.KotlinSerializationJsonHttpMessageConverter.serializer(KotlinSerializationJsonHttpMessageConverter.java:176) ~[spring-web-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.http.converter.json.KotlinSerializationJsonHttpMessageConverter.canWrite(KotlinSerializationJsonHttpMessageConverter.java:99) ~[spring-web-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:286) ~[spring-webmvc-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.web.servlet.mvc.method.annotation.HttpEntityMethodProcessor.handleReturnValue(HttpEntityMethodProcessor.java:238) ~[spring-webmvc-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:78) ~[spring-web-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:135) ~[spring-webmvc-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:898) ~[spring-webmvc-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:810) ~[spring-webmvc-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1075) ~[spring-webmvc-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:968) ~[spring-webmvc-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1003) ~[spring-webmvc-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:895) ~[spring-webmvc-6.0.0-M6.jar:6.0.0-M6]
	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:668) ~[tomcat-embed-core-10.0.23.jar:5.0.0]
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:880) ~[spring-webmvc-6.0.0-M6.jar:6.0.0-M6]
	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:777) ~[tomcat-embed-core-10.0.23.jar:5.0.0]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:223) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-10.0.23.jar:10.0.23]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.0-M6.jar:6.0.0-M6]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.0-M6.jar:6.0.0-M6]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:94) ~[spring-boot-actuator-3.0.0-M5.jar:3.0.0-M5]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.0-M6.jar:6.0.0-M6]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-6.0.0-M6.jar:6.0.0-M6]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.0-M6.jar:6.0.0-M6]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:119) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:356) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:867) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1762) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-10.0.23.jar:10.0.23]
	at java.base/java.lang.Thread.run(Thread.java:833) ~[na:na]

Downgrading to Spring Boot version 3.0.0-M4 (and therefore Spring Web 6.0.0-M5) fixes the issue, the endpoint properly returns Status 200 "UP" instead of throwing an exception and returning Status 500.

@spring-projects-issues spring-projects-issues added status: feedback-provided Feedback has been provided and removed status: waiting-for-feedback We need additional information before we can continue labels Sep 23, 2022
@bellatoris bellatoris mentioned this issue Oct 13, 2022
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@sdeleuze sdeleuze

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status: feedback-provided Feedback has been provided theme: kotlin An issue related to Kotlin support type: regression A bug that is also a regression
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6.0.0-RC1
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@sdeleuze @Evenprime @spring-projects-issues