Java Spring配置中使用jackson-datatype-jsr310的RESTful服务_Java_Json_Spring_Jackson

Java Spring配置中使用jackson-datatype-jsr310的RESTful服务

java json spring

Java Spring配置中使用jackson-datatype-jsr310的RESTful服务,java,json,spring,jackson,Java,Json,Spring,Jackson,我正在尝试配置Java8和Spring4.3.1应用程序来使用RESTful服务。我让它与下面的配置完美配合，直到我引入了ContextResolver 之所以使用ContextResolver，是因为我需要将java.time.LocalDateTime格式化为JSON 我首先尝试在我的模型bean上添加@JsonFormat注释 @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = DATE_FORMAT) @DateTimeF

我正在尝试配置Java8和Spring4.3.1应用程序来使用RESTful服务。我让它与下面的配置完美配合，直到我引入了ContextResolver

之所以使用ContextResolver，是因为我需要将

java.time.LocalDateTime

格式化为JSON

我首先尝试在我的模型bean上添加@JsonFormat注释

@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = DATE_FORMAT)    
@DateTimeFormat(pattern=DATE_FORMAT) 
@Column(name = "JOINING_DATE", nullable = false)
@Type(type="org.hibernate.type.LocalDateTimeType")
private LocalDateTime joiningDate;

并得到以下错误：
java.lang.NoSuchMethodError： com.fasterxml.jackson.datatype.jsr310.ser.JSR310FormattedSerializerBase.findFormatOverrides（Lcom/fasterxml/jackson/databind/SerializerProvider；Lcom/fasterxml/jackson/databind/BeanProperty；Ljava/lang/Class；）Lcom/fasterxml/jackson/annotation/JsonFormat$Value
其次，我删除了@JsonFormat注释，并尝试使用上下文解析器
ObjectMapperContextResolver.java

package com.jobs.spring.configuration; import javax.ws.rs.ext.ContextResolver; import javax.ws.rs.ext.Provider; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.SerializationFeature; import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule; @Provider public class ObjectMapperContextResolver implements ContextResolver<ObjectMapper> { private final ObjectMapper MAPPER; public ObjectMapperContextResolver() { MAPPER = new ObjectMapper(); MAPPER.registerModule(new JavaTimeModule()); MAPPER.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false); } @Override public ObjectMapper getContext(Class<?> type) { return MAPPER; } }

package com.jobs.spring.configuration；导入javax.ws.rs.ext.ContextResolver；导入javax.ws.rs.ext.Provider；导入com.fasterxml.jackson.databind.ObjectMapper；导入com.fasterxml.jackson.databind.SerializationFeature；导入com.fasterxml.jackson.datatype.jsr310.JavaTimeModule； @提供者公共类ObjectMapperContextResolver实现ContextResolver{ 私有最终对象映射器映射器；公共对象MapPercontextResolver（）{ 映射器=新的ObjectMapper（）； registerModule（新的JavaTimeModule（））； configure（SerializationFeature.WRITE_DATES_作为时间戳，false）； } @凌驾公共对象映射器getContext（类类型）{ 返回映射器； } }
并得到以下错误：
[org.springframework.web.servlet.PageNotFound]（默认任务-4）否为具有URI[/jbosswildfly/employee/list]的HTTP请求找到映射在名为“rest”的DispatcherServlet中
请有人告诉我，我认为我的弹簧配置可能不正确

在第一种情况下，使用@JsonFormat注释，请求点击RESTful服务，但得到一个NoSuchMethodError 我的依赖项不正确

第二种情况是，对于ContextResolver，请求**不起作用找到DispatcherServelet**（因此无法到达RESTful）服务）。这表明我的Spring配置不正确

正如我所说的，如果我不使用@JsonFormat注释或ContextResolver，我可以成功调用RESTful服务（但我需要格式化日期）
多谢各位
我的配置如下：
pom.xml

. . . <jackson.version>2.8.0</jackson.version> . . .  <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-annotations</artifactId> <version>${jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>${jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>${jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.datatype</groupId> <artifactId>jackson-datatype-jsr310</artifactId> <version>${jackson.version}</version> </dependency>

<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" metadata-complete="false"> <servlet> <servlet-name>rest</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>rest</servlet-name> <url-pattern>/*</url-pattern> </servlet-mapping> </web-app>

<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <context:component-scan base-package="com.jobs.spring" /> <mvc:annotation-driven /> </beans>

。 . . 2.8.0 . . . com.fasterxml.jackson.core 杰克逊注释 ${jackson.version} com.fasterxml.jackson.core 杰克逊数据绑定 ${jackson.version} com.fasterxml.jackson.core 杰克逊核心 ${jackson.version} com.fasterxml.jackson.datatype jackson-datatype-jsr310 ${jackson.version}
web.xml

. . . <jackson.version>2.8.0</jackson.version> . . .  <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-annotations</artifactId> <version>${jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>${jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>${jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.datatype</groupId> <artifactId>jackson-datatype-jsr310</artifactId> <version>${jackson.version}</version> </dependency>

<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" metadata-complete="false"> <servlet> <servlet-name>rest</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>rest</servlet-name> <url-pattern>/*</url-pattern> </servlet-mapping> </web-app>

<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <context:component-scan base-package="com.jobs.spring" /> <mvc:annotation-driven /> </beans>

休息 org.springframework.web.servlet.DispatcherServlet 1. 休息 /*
rest servlet.xml

. . . <jackson.version>2.8.0</jackson.version> . . .  <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-annotations</artifactId> <version>${jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>${jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>${jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.datatype</groupId> <artifactId>jackson-datatype-jsr310</artifactId> <version>${jackson.version}</version> </dependency>

<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" metadata-complete="false"> <servlet> <servlet-name>rest</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>rest</servlet-name> <url-pattern>/*</url-pattern> </servlet-mapping> </web-app>

<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <context:component-scan base-package="com.jobs.spring" /> <mvc:annotation-driven /> </beans>

休息控制器

@CrossOrigin(origins = {"*"}) @RestController @RequestMapping(EmployeeRESTService.BASE_URI) public class EmployeeRESTService { public static final String BASE_URI = "/employee"; @Autowired private EmployeeService employeeService; @RequestMapping(value = "/list", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE) public List<Employee> findAllEmployees() { return employeeService.findAll(); } @RequestMapping(value = "/save", method = RequestMethod.POST, produces = MediaType.APPLICATION_JSON_VALUE, consumes = MediaType.APPLICATION_JSON_VALUE) public @ResponseBody String saveEmployee(@RequestBody Employee employee){ Long id = employeeService.save(employee); return Long.toString(id); } }

@CrossOrigin（origins={“*”}） @RestController @RequestMapping（EmployeeRESTService.BASE_URI）公营雇员服务{ 公共静态最终字符串BASE_URI=“/employee”； @自动连线私人雇员服务； @RequestMapping（value=“/list”，method=RequestMethod.GET，products=MediaType.APPLICATION\u JSON\u value）公共列表findAllEmployees（）{ return employeeService.findAll（）； } @RequestMapping（value=“/save”，method=RequestMethod.POST，products=MediaType.APPLICATION\u JSON\u value，consumes=MediaType.APPLICATION\u JSON\u value） public@ResponseBody字符串saveEmployee（@RequestBody-Employee-Employee）{ Long id=employeeService.save（员工）；返回Long.toString（id）； } }
已解决
通过添加以下类，它现在可以工作了：

package com.jobs.spring.configuration; import java.text.SimpleDateFormat; import java.util.List; import org.springframework.context.annotation.Configuration; import org.springframework.http.converter.HttpMessageConverter; import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder; import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter; import org.springframework.http.converter.xml.MappingJackson2XmlHttpMessageConverter; import org.springframework.web.servlet.config.annotation.EnableWebMvc; import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter; @Configuration @EnableWebMvc public class WebConfiguration extends WebMvcConfigurerAdapter { @Override public void configureMessageConverters(List<HttpMessageConverter<?>> converters) { Jackson2ObjectMapperBuilder builder = new Jackson2ObjectMapperBuilder(); builder.indentOutput(true).dateFormat(new SimpleDateFormat("yyyy-MM-dd")); converters.add(new MappingJackson2HttpMessageConverter(builder.build())); converters.add(new MappingJackson2XmlHttpMessageConverter(builder.createXmlMapper(true).build())); } }

package com.jobs.spring.configuration；导入java.text.simpleDataFormat；导入java.util.List；导入org.springframework.context.annotation.Configuration；导入org.springframework.http.converter.HttpMessageConverter；导入org.springframework.http.converter.json.Jackson2ObjectMapperBuilder；导入org.springframework.http.converter.json.MappingJackson2HttpMessageConverter；导入org.springframework.http.converter.xml.MappingJackson2XmlHttpMessageConverter；导入org.springframework.web.servlet.config.annotation.EnableWebMvc；导入org.springframework.web.servlet.config.annotation.WebMVCConfigureAdapter； @配置 @EnableWebMvc 公共类网络配置扩展了WebMVCConfigureAdapter{ @凌驾公共无效配置MessageConverters（列表您使用什么restful框架？Spring RestController或Jersey？您是否也可以发布RestController或资源类的代码？嗨，Wilson，谢谢您的帮助。正如您所看到的，我在jackson-datatype-jsr310方面遇到了问题，因此一直在尝试使用@XmlJavaTypeAdapter。如果您不介意，请查看一下.