I have a JUnit Test that starts my spring boot appcliation (Application.java).
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@RunWith(SpringRunner.class)@SpringBootTest(classes = Application.class)public class AppclaitionTest { @Test public void contextLoads(){ Application.main(new String[]{}); }}If I run the JUnit test, Application is successfully starting up, but not accessible through url
Application Logs:
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2017-06-16 12:18:07.918 INFO 207028 --- [ main] com.chandu.test.AppclaitionTest : Started AppclaitionTest in 1.927 seconds (JVM running for 2.458) . ____ _ __ _ _ /\ / ___'_ __ _ _(_)_ __ __ _ ( ( )___ | '_ | '_| | '_ / _` | \/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |___, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v1.5.3.RELEASE)2017-06-16 12:18:08.012 INFO 207028 --- [ main] com.test.app.Application : Starting Application on IVL-WS39 with PID 207028 (started by Bhanuchandar.Challa in D:JarsSpringJDBCMySQL)2017-06-16 12:18:08.012 INFO 207028 --- [ main] com.test.app.Application : No active profile set, falling back to default profiles: default2017-06-16 12:18:08.012 INFO 207028 --- [ main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@3f1ddac2: startup date [Fri Jun 16 12:18:08 IST 2017]; root of context hierarchy2017-06-16 12:18:08.402 INFO 207028 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8080 (http)2017-06-16 12:18:08.417 INFO 207028 --- [ main] o.apache.catalina.core.StandardService : Starting service Tomcat2017-06-16 12:18:08.417 INFO 207028 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.5.142017-06-16 12:18:08.526 INFO 207028 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext2017-06-16 12:18:08.526 INFO 207028 --- [ost-startStop-1] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 514 ms2017-06-16 12:18:08.636 INFO 207028 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean : Mapping servlet: 'dispatcherServlet' to [/]2017-06-16 12:18:08.636 INFO 207028 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]2017-06-16 12:18:08.636 INFO 207028 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]2017-06-16 12:18:08.636 INFO 207028 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'httpPutFormContentFilter' to: [/*]2017-06-16 12:18:08.636 INFO 207028 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]2017-06-16 12:18:08.933 INFO 207028 --- [ main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@3f1ddac2: startup date [Fri Jun 16 12:18:08 IST 2017]; root of context hierarchy2017-06-16 12:18:08.933 INFO 207028 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/getRowCount]}" onto public java.lang.Integer com.test.app.controller.TestController.getRowCount(java.lang.String)2017-06-16 12:18:08.949 INFO 207028 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/process]}" onto public java.lang.String com.test.app.controller.TestController.processRequest()2017-06-16 12:18:08.949 INFO 207028 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)2017-06-16 12:18:08.949 INFO 207028 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)2017-06-16 12:18:08.964 INFO 207028 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]2017-06-16 12:18:08.964 INFO 207028 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]2017-06-16 12:18:08.980 INFO 207028 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]2017-06-16 12:18:09.105 INFO 207028 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup2017-06-16 12:18:09.151 INFO 207028 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http)2017-06-16 12:18:09.151 INFO 207028 --- [ main] com.test.app.Application : Started Application in 1.186 seconds (JVM running for 3.689)When I tried to access the application through url ‘http://localhost:8080/process‘, It says Site can’t be reached.
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Answer
Why would you do such thing? This should be a unit test and the flow of the test should be the following: Start the application -> Call your controller endpoint -> assert that a specific text/element on that page is present -> Shut down the application.
Start the application : @RunWith(SpringRunner.class) doing this for you, no need to start is manually.
Shut down the application : At the end of your test class Spring boot does this for you (That’s why you cant access your app in the browser)
For further help please see my answer here: How to test (rest) enpoints