Problem with RequestMapping and PathVariable

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Feb 5th, 2010, 09:50 AM
Mark Tombs

Problem with RequestMapping and PathVariable

I'm having a problem getting path variables to work in Spring 3.0.0. I keep getting this error:

java.lang.IllegalStateException: Could not find @PathVariable [task] in @RequestMapping

This is my test controller:

Code:

@Controller public class JsonRestController { private static final Log LOG = LogFactory.getLog(JsonRestController.class); @RequestMapping("/tasks/{task}") public void get(@PathVariable("task") String task) { LOG.debug("Task controller with task:" + task); } }

Clearly it is finding the right method in the the right class and trying to execute it, but failing. What am I doing wrong?

Heres the full stack:

Code:

org.springframework.web.bind.annotation.support.HandlerMethodInvocationException: Failed to invoke handler method [public void se.leanon.dojotime.web.controller.JsonRestController.get(java.lang.String)]; nested exception is java.lang.IllegalStateException: Could not find @PathVariable [task] in @RequestMapping at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:171) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:414) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:402) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:771) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:647) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:552) at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:637) Caused by: java.lang.IllegalStateException: Could not find @PathVariable [task] in @RequestMapping at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter$ServletHandlerMethodInvoker.resolvePathVariable(AnnotationMethodHandlerAdapter.java:744) at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.resolvePathVariable(HandlerMethodInvoker.java:599) at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.resolveHandlerArguments(HandlerMethodInvoker.java:289) at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:163) ... 20 more
Feb 5th, 2010, 10:06 AM
PUK_999

Do you have another handler in the same or another controller with the same mapping, or have you renamed your class and not done a clean (so there's > 1 mapping)?

I ask because I just found this post.

PUK
Feb 5th, 2010, 10:33 AM
Mark Tombs

Thanks for the reply. I saw that post too, but no, I have no conflicting controllers. I can see in the logs that Spring is finding the right class and the right method, its just unable to execute it.

I have the same problem with other controllers (mapped to other URLs).

Mark.
Feb 8th, 2010, 08:13 AM
Mark Tombs

Problem solved, kind of. I updated my spring bean config to use autowiring and component discovery, and now it works. A bit mysterious, but there you are.
May 17th, 2010, 09:03 AM
Jeroen Rosenberg

I have the same problem

How exactly did you solve this problem, cos I have the same problem... thanks
Jan 29th, 2013, 10:36 AM
excogitator

Quote:

Originally Posted by Jeroen Rosenberg

How exactly did you solve this problem, cos I have the same problem... thanks

Not sure of the above poster. But you'll need to add the following in your spring config file.

<context:component-scan base-package="<your package for the controller class where you have the annotation>" />

<bean class="org.springframework.web.servlet.mvc.annotat ion.DefaultAnnotationHandlerMapping" />

<bean class="org.springframework.web.servlet.mvc.annotat ion.AnnotationMethodHandlerAdapter" />
Feb 27th, 2013, 06:39 AM
ahsansahi

Path Variable Problem

Quote:

Originally Posted by excogitator

Not sure of the above poster. But you'll need to add the following in your spring config file.

<context:component-scan base-package="<your package for the controller class where you have the annotation>" />

<bean class="org.springframework.web.servlet.mvc.annotat ion.DefaultAnnotationHandlerMapping" />

<bean class="org.springframework.web.servlet.mvc.annotat ion.AnnotationMethodHandlerAdapter" />

I have the Same problem while i am testing my controller.

here is my controller method mapping

@RequestMapping(value = "/join/{applicationId}/{gameId}/{gameType}", method = RequestMethod.GET)
@ResponseBody
public OnDemandGameResponse joinGame(@PathVariable("applicationId") String applicationId, @PathVariable("gameId") long gameId,
@PathVariable("gameType") GameType gameType) {

and here is the Test Code
@Before
public void setUp() throws Exception {
request = new MockHttpServletRequest();
response = new MockHttpServletResponse();
ApplicationContext ctx = new FileSystemXmlApplicationContext(new String[]{System.getProperty("user.dir")
+ "/web/WEB-INF/application-contexts/application-context-root.xml",
System.getProperty("user.dir")+ "/web/WEB-INF/application-contexts/restcontrollers.xml",
System.getProperty("user.dir")+ "/web/WEB-INF/application-contexts/controllers.xml",
System.getProperty("user.dir")+ "/web/WEB-INF/valangConfig.xml"});
onDemandGameController = (OnDemandGameController) ctx.getBean("onDemandGameController");
handler=(AnnotationMethodHandlerAdapter)ctx.getBea n("annotationMethodHandlerAdapter");
}

@Test
public void handleJionGameRequest() throws Exception {
request.setRequestURI("/ondemandgame/join/123/13/ONDEMAND");
request.setMethod("GET");
request.addHeader("Accept", "application/xml");
request.addHeader("content-type", "application/xml");
handler.handle(request, response, onDemandGameController);

Assert.assertEquals("The response content type is not application/xml", "application/xml", response.getContentType());
}

the configuration are fine at all the places