2019-06-20 20:04:25,290 ERROR [http-nio-8090-exec-1] o.c.s.f.c.TestExceptionController [TestExceptionController.java:26] error: null # 使用默认构造参数实例化异常对象时，getMessage()方法返回值为空对象

# 如下是具体的异常堆栈信息

java.lang.NullPointerException: null

 at org.chench.springboot.falsework.controller.TestExceptionController.test(TestExceptionController.java:24) ~[classes/:na]

 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_181]

 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_181]

 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_181]

 at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_181]

 at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:209) [spring-web-5.0.6.RELEASE.jar:5.0.6.RELEASE]

 at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136) [spring-web-5.0.6.RELEASE.jar:5.0.6.RELEASE]

 at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102) [spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]

 at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:877) [spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]

 at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:783) [spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]

 at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) [spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]

 at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:991) [spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]

 at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925) [spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]

 at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:974) [spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]

 at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:866) [spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]

 at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) [tomcat-embed-core-8.5.31.jar:8.5.31]

 at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851) [spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]

 at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) [tomcat-embed-core-8.5.31.jar:8.5.31]

......