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    Expert tip

    If you're unit testing, you should instantiate only the service and mock the dependencies. If you're testing integration, you should add all the mocking to the configurations file.

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via GitHub by bliessens
, 1 year ago
Error creating bean with name 'defaultServletHandlerMapping' defined in class path resource [org/springframework/boot/autoconfigure/web/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]: Bean instantiation via factory method failed; nested
via Stack Overflow by user5806139
, 1 year ago
Error creating bean with name 'defaultServletHandlerMapping' defined in class path resource [org/springframework/boot/autoconfigure/web/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]: Bean instantiation via factory method failed; nested
via Stack Overflow by Xavi
, 1 year ago
Error creating bean with name 'mailSender' defined in class path resource [es/xavi/caveofprogramming/configuration/MailConfig.class]: Bean instantiation via factory method failed; nested exception is
via Stack Overflow by Beto Neto
, 2 years ago
org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.servlet.HandlerMapping]: Factory method 'defaultServletHandlerMapping' threw exception; nested exception is java.lang.IllegalArgumentException: A ServletContext is required to configure default servlet handling
via GitHub by jiangchuan1220
, 1 year ago
Error creating bean with name 'api' defined in class path resource [com/siemens/isb/rest/hateoas/configuration/SwaggerConfig.class]: Bean instantiation via factory method failed; nested exception is
via GitHub by jiangchuan1220
, 1 year ago
Error creating bean with name 'api' defined in class path resource [com/siemens/isb/rest/hateoas/configuration/SwaggerConfig.class]: Bean instantiation via factory method failed; nested exception is
java.lang.IllegalArgumentException: A ServletContext is required to configure default servlet handling	at org.springframework.util.Assert.notNull(Assert.java:115)	at org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer.(DefaultServletHandlerConfigurer.java:53)	at org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport.defaultServletHandlerMapping(WebMvcConfigurationSupport.java:451)	at org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$EnableWebMvcConfiguration$$EnhancerBySpringCGLIB$$2a658a11.CGLIB$defaultServletHandlerMapping$34()	at org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$EnableWebMvcConfiguration$$EnhancerBySpringCGLIB$$2a658a11$$FastClassBySpringCGLIB$$79eb00c.invoke()	at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)	at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:356)	at org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$EnableWebMvcConfiguration$$EnhancerBySpringCGLIB$$2a658a11.defaultServletHandlerMapping()	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)	at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1123)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1018)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772)	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839)	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538)	at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:766)	at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:361)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)	at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:134)	at be.cegeka.vconsult.consult.config.CustomApp.main(CustomApp.java:12)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)