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Spring Boot 中com.fasterxml.jackson.core.type.ResolvedType报错的问题(重复添加依赖)

springboot版本:

<version>2.0.4.RELEASE</version>

1.由于springboot默认自带jackson包,在maven中重复添加,将会导致

运行时,控制台 报错

Caused by: java.lang.AbstractMethodError: com.fasterxml.jackson.core.type.ResolvedType.getReferencedType()Lcom/fasterxml/jackson/core/type/ResolvedType;

2.解决方式,在porn.xml中,注释掉以下的依赖

<!--spring boot自带jackson包,不需要在maven里面重复添加此依赖,

否则会报错‘com.fasterxml.jackson.core.type.ResolvedType’-->

<dependency>

<groupId>com.fasterxml.jackson.core</groupId>

<artifactId>jackson-databind</artifactId>

<version>2.5.3</version>

</dependency>

重启,运行即正常了

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