Created
April 23, 2020 07:25
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Error creating bean with name 'requestMappingHandlerMapping' ... Unsupported suspending handler method detected:
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| ... | |
| dependencies { | |
| implementation("org.springframework.boot:spring-boot-starter-web") | |
| implementation("org.springframework.boot:spring-boot-starter-jersey") | |
| implementation("com.fasterxml.jackson.module:jackson-module-kotlin") | |
| implementation("org.jetbrains.kotlin:kotlin-reflect") | |
| implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8") | |
| developmentOnly("org.springframework.boot:spring-boot-devtools") | |
| testImplementation("org.springframework.boot:spring-boot-starter-test") { | |
| exclude(group = "org.junit.vintage", module = "junit-vintage-engine") | |
| } | |
| implementation(group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-core", version = "1.3.2") | |
| } | |
| ... |
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| 2020-04-23 12:50:02.550 WARN 5489 --- [ restartedMain] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'requestMappingHandlerMapping' defined in class path resource [org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]: Invocation of init method failed; nested exception is java.lang.IllegalStateException: Unsupported suspending handler method detected: public java.lang.Object com.example.user.service.resources.UserAccountResourceV1.userNameTaken(kotlin.coroutines.Continuation) | |
| 2020-04-23 12:50:02.550 INFO 5489 --- [ restartedMain] o.s.s.concurrent.ThreadPoolTaskExecutor : Shutting down ExecutorService 'applicationTaskExecutor' | |
| 2020-04-23 12:50:02.569 INFO 5489 --- [ restartedMain] o.apache.catalina.core.StandardService : Stopping service [Tomcat] | |
| 2020-04-23 12:50:02.580 INFO 5489 --- [ restartedMain] ConditionEvaluationReportLoggingListener : | |
| Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. | |
| 2020-04-23 12:50:02.591 ERROR 5489 --- [ restartedMain] o.s.boot.SpringApplication : Application run failed | |
| org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'requestMappingHandlerMapping' defined in class path resource [org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]: Invocation of init method failed; nested exception is java.lang.IllegalStateException: Unsupported suspending handler method detected: public java.lang.Object com.example.user.service.resources.UserAccountResourceV1.userNameTaken(kotlin.coroutines.Continuation) | |
| at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1796) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:595) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:882) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:878) ~[spring-context-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) ~[spring-context-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE] | |
| at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE] | |
| at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE] | |
| at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE] | |
| at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE] | |
| at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE] | |
| at com.example.user.service.ServiceApplicationKt.main(ServiceApplication.kt:18) [main/:na] | |
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_221] | |
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_221] | |
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_221] | |
| at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_221] | |
| at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) [spring-boot-devtools-2.2.6.RELEASE.jar:2.2.6.RELEASE] | |
| Caused by: java.lang.IllegalStateException: Unsupported suspending handler method detected: public java.lang.Object com.example.user.service.resources.UserAccountResourceV1.userNameTaken(kotlin.coroutines.Continuation) | |
| at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping$MappingRegistry.register(AbstractHandlerMethodMapping.java:595) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.registerHandlerMethod(AbstractHandlerMethodMapping.java:318) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.registerHandlerMethod(RequestMappingHandlerMapping.java:379) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.registerHandlerMethod(RequestMappingHandlerMapping.java:78) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.lambda$detectHandlerMethods$1(AbstractHandlerMethodMapping.java:288) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684) ~[na:1.8.0_221] | |
| at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.detectHandlerMethods(AbstractHandlerMethodMapping.java:286) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.processCandidateBean(AbstractHandlerMethodMapping.java:258) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.initHandlerMethods(AbstractHandlerMethodMapping.java:217) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.afterPropertiesSet(AbstractHandlerMethodMapping.java:205) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.afterPropertiesSet(RequestMappingHandlerMapping.java:190) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1855) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1792) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE] | |
| ... 21 common frames omitted |
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| @RestController | |
| @RequestMapping("/account/v1") | |
| class UserAccountResourceV1 { | |
| @GetMapping("/username-taken", produces = [MediaType.TEXT_PLAIN_VALUE]) | |
| suspend fun userNameTaken(): String { | |
| return "yes" | |
| } | |
| } |
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