Java——使用ObjectMapper.writeValueAsString时报错The type com.fasterxml.jackson.core.JsonProcessingException cannot be resolved. It is indirectly referenced from required .class files
报错信息:
The type com.fasterxml.jackson.core.JsonProcessingException cannot be resolved. It is indirectly referenced from required .class files
报错截图:

原因:缺少引用的jar包

在引入jar包时,只引入了databind包,而没有引入core包
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