1,問題詳情：Spring使用4.3.5.Release版本后

在SpringMvc配置文件中配置json 解析器后出現報錯信息

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[org.springframework.web.context.ContextLoader]Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter#0' ... ... Caused by: org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [org.springframework.http.converter.json.MappingJacksonHttpMessageConverter] for bean with name 'org.springframework.http.converter.json.MappingJacksonHttpMessageConverter#2aa148c0' ... ... Caused by: java.lang.ClassNotFoundException: org.springframework.http.converter.json.MappingJacksonHttpMessageConverter... ...

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2.原因：

　　Spring4.0后jackson依賴包不一樣導致

3.解決方案

Spring 4.x.x版本后使用org.springframework.http.converter.json.MappingJackson2HttpMessageConverter所對應的jar

在maven配置jackson依賴包

1 <dependency> 2 <groupId>com.fasterxml.jackson.core</groupId> 3 <artifactId>jackson-core</artifactId> 4 <version>2.8.5</version> 5 </dependency> 6 <dependency> 7 <groupId>com.fasterxml.jackson.core</groupId> 8 <artifactId>jackson-databind</artifactId> 9 <version>2.8.5</version> 10 </dependency> 11 <dependency> 12 <groupId>com.fasterxml.jackson.core</groupId> 13 <artifactId>jackson-annotations</artifactId> 14 <version>2.8.5</version> 15 </dependency>

?Spring 3.x.x版本后使用org.springframework.http.converter.json.MappingJacksonHttpMessageConverter

?所依賴的jackson包

1 <dependency> 2 <groupId>org.codehaus.jackson</groupId> 3 <artifactId>jackson-mapper-asl</artifactId> 4 <version>1.9.13</version> 5 </dependency>

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