406 Spring MVC Json Unacceptable Accepting Headers

Question

have the following data in my pom.xml

<dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-core-asl</artifactId> <version>1.9.13</version> </dependency> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.13</version> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.1.1</version> </dependency> <dependency> <groupId>org.apache.tiles</groupId> <artifactId>tiles-extras</artifactId> <version>3.0.5</version> </dependency> <dependency> <groupId>org.apache.tiles</groupId> <artifactId>tiles-core</artifactId> <version>3.0.5</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring-framework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>4.1.1.RELEASE</version> </dependency> <dependency> <groupId>com.googlecode.json-simple</groupId> <artifactId>json-simple</artifactId> <version>1.1</version> </dependency> 

config.xml applications:

 <context:component-scan base-package="com.test" /> <mvc:annotation-driven /> <!-- <mvc:default-servlet-handler /> --> <mvc:resources mapping="/resources/**" location="/resources/" /> 

JSP page:

  <form:form method="POST" action="/QuickBooks-UX/syncAccounts"> <input type="submit" value="Sync Account"/> </form:form> 

Controller:

 @Controller @RequestMapping("/") public class QuickBooksController { @RequestMapping(value = "/quickBooks", method = RequestMethod.GET) public String qucikBooks(ModelMap model) { logger.info("Welcome to QuickBooks controller"); model.addAttribute("message", "Hello Spring MVC Framework!"); return "quickBooks"; } @RequestMapping(value ="/syncAccounts", method = RequestMethod.POST) public @ResponseBody List<SyncData> syncAccounts(@ModelAttribute("syncData")SyncData syncData, ModelMap model, BindingResult result) { List<SyncData> syncDataList = new ArrayList<SyncData>(); try { DefaultHttpClient httpClient = new DefaultHttpClient(); HttpGet getRequest = new HttpGet( "http://localhost:8292/qbsyncdata/getAccounts"); getRequest.addHeader("accept", "application/json"); HttpResponse response = httpClient.execute(getRequest); if (response.getStatusLine().getStatusCode() != 200) { throw new RuntimeException("Failed : HTTP error code : " + response.getStatusLine().getStatusCode()); } BufferedReader br = new BufferedReader( new InputStreamReader((response.getEntity().getContent()))); while ((output = br.readLine()) != null) { JSONParser jsonParser = new JSONParser(); JSONArray jsonArray = (JSONArray)jsonParser.parse(output); for (Object object : jsonArray) { JSONObject jsonObject = (JSONObject)object; syncData = new SyncData(); syncData.setAccountName(jsonObject.get("accountName")==null?"":jsonObject.get("accountName").toString()); syncData.setAccountType(jsonObject.get("accountType")==null?"":jsonObject.get("accountType").toString()); syncData.setAccountSubType(jsonObject.get("accountSubType")==null?"":jsonObject.get("accountSubType").toString()); syncData.setActive(jsonObject.get("active")==null?"":jsonObject.get("active").toString()); syncDataList.add(syncData); } model.addAttribute("syncData", output); } httpClient.getConnectionManager().shutdown(); } catch (Exception e) { e.printStackTrace(); } } return syncDataList; } } 

I call my url as:

 http://lt-50k7sy1:8080/QuickBooks-UX/quickBooks 

After clicking a button that returns a URL like http://lt-50k7sy1:8080/QuickBooks-UX/syncAccounts it returns 406, and the description:

the resource identified by this request is able to generate responses with characteristics that are not acceptable in accordance with the request to “accept” headers

I followed this link , but no results.

Answer 1

Add the following jar to the pom.xml file, which is required for Spring 4.1. *

 <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>2.4.1</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.4.1.1</version> </dependency> 

Answer 2

Get rid of this by adding @EnableWebMvc to the controller class.

 @Controller @RequestMapping("/API/course") @EnableWebMvc public class CourseController { @Autowired private com.item.DAO.CourseRepository courseRepository; @ResponseStatus(value=HttpStatus.OK) @RequestMapping(method=RequestMethod.GET) public @ResponseBody List<Course> getListOfCourse(){ List<Course> courses = courseRepository.getListOfCourse(); return courses ; } 

or add the following line in the xml configuration file if your project uses XML configuration.

 <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd"> <mvc:annotation-driven /> <bean> 

and add the following dependencies to the pom.xml file: -

  <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.4.1.3</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>2.4.1</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-annotations</artifactId> <version>2.4.1</version> </dependency> 

Answer 3

Perhaps all fields of your POJO need Getter and Setter.

I fixed this according to this problem: reference: Spring MVC - HttpMediaTypeNotAcceptableException

And 406 is not a helpful message for fixing a bug. You must debug the codes and see what the Exception is on earth.

Answer 4

Thanks, he solved my problem. I finally ended up with pom.xml as follows:

 <!-- Json dependency --> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.13</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>2.4.1</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.4.1.1</version> </dependency> <!-- Json dependency --> 

Answer 5

Use the dependency below in your pom working with spring 4.

 <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.5.3</version> </dependency> 

Answer 6

It worked for me with the dependencies below and @EnableWebMvc in my RestController, see that I just added the jackson-databind dependency.

  <properties> <spring-version>4.2.1.RELEASE</spring-version> </properties> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring-version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring-version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${spring-version}</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.5.3</version> </dependency> </dependencies>