java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/JsonProcessingException

When I run junit test, encountered this error:　java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/JsonProcessingException

Solution: add the following dependencies:

 

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1. <dependency>  
2.             <groupId>com.fasterxml.jackson.core</groupId>  
3.             <artifactId>jackson-core</artifactId>  
4.             <version>2.1.0</version>  
5.         </dependency>  
6.         <dependency>  
7.             <groupId>com.fasterxml.jackson.core</groupId>  
8.             <artifactId>jackson-databind</artifactId>  
9.             <version>2.1.0</version>  
10.         </dependency>  
11.         <dependency>  
12.             <groupId>com.fasterxml.jackson.core</groupId>  
13.             <artifactId>jackson-annotations</artifactId>  
14.             <version>2.1.0</version>  
15.         </dependency>  

 

Reference:

1. http://stackoverflow.com/questions/14333709/spring-mvc-3-2-and-json-objectmapper-issue