406 Spring MVC Json,根据请求“接受”标头不可接受
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【中文标题】406 Spring MVC Json,根据请求“接受”标头不可接受【英文标题】:406 Spring MVC Json, not acceptable according to the request "accept" headers 【发布时间】:2014-12-24 06:37:09 【问题描述】:在我的 pom.xml 中有以下详细信息
<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>
应用程序配置.xml:
<context:component-scan base-package="com.test" />
<mvc:annotation-driven />
<!-- <mvc:default-servlet-handler /> -->
<mvc:resources mapping="/resources/**" location="/resources/" />
JSP 页面:
<form:form method="POST" action="/QuickBooks-UX/syncAccounts">
<input type="submit" value="Sync Account"/>
</form:form>
控制器:
@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;
我将我的网址调用为:
http://lt-50k7sy1:8080/QuickBooks-UX/quickBooks
点击按钮后,返回的 url 为
http://lt-50k7sy1:8080/QuickBooks-UX/syncAccounts
这返回 406 并且描述是:
此请求标识的资源只能生成 具有根据请求不可接受的特性的响应 “接受”标题
我关注了这个Link,但没有结果。
【问题讨论】:
遇到类似问题,关注***.com/questions/26416248/… 【参考方案1】:它适用于我的 RestController 中的以下依赖项和 @EnableWebMvc
,请注意我刚刚添加了 jackson-databind
依赖项。
<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>
【讨论】:
【参考方案2】:也许你的 POJO 的所有字段都需要 Getter 和 Setter。
我根据这个问题修复了: 参考:Spring MVC - HttpMediaTypeNotAcceptableException
而且 406 不是修复错误的有用消息。 您应该调试代码并查看异常到底是什么。
【讨论】:
【参考方案3】:在使用 spring 4 的 pom 中使用以下依赖项。
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.5.3</version>
</dependency>
【讨论】:
【参考方案4】:通过在 Controller 类中添加 @EnableWebMvc 来消除 this 问题。
@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 ;
如果您的项目中正在使用 XML 配置,则在 xml 配置文件中添加以下行。
<?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>
并在您的 pom.xml 文件中添加以下依赖项:-
<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>
【讨论】:
仅仅添加依赖项对我不起作用。 @EnableWebMvc 在这里丢失了。谢谢! WOW @EnableMvcController 解决了我的问题。太感谢了。但这太可怕了,我们在腐烂的 Spring 基础设施之上添加了一些“修复”/“黑客”,这真的很糟糕。我有一个正确的 RestController 结构,但它不起作用,只有这个“hack”有帮助。【参考方案5】:谢谢它解决了我的问题。我最终得到了这样的 pom.xml:
<!-- 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 -->
【讨论】:
【参考方案6】:将以下 jar 添加到 Spring 4.1 所需的 pom.xml 文件中。*
<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>
【讨论】:
谢谢,很有帮助(我使用的是 2.4.3 版)。还发现 xpadro.blogspot.ca/2014/01/… 迁移指南很有帮助。以上是关于406 Spring MVC Json,根据请求“接受”标头不可接受的主要内容,如果未能解决你的问题,请参考以下文章
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