严重: Servlet.service() for servlet [springmvc] in context with path [] threw exception [Request proce
报错信息：
严重: Servlet.service() for servlet [springmvc] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
java.lang.NullPointerException原因：导包导错了！
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;import jdk.nashorn.internal.ir.annotations.Reference;@RestController
@RequestMapping("/specification")
public class SpecificationController {@Referenceprivate SpecificationService specificationService;}上图中的注解@Reference导包错误！错误包：
import jdk.nashorn.internal.ir.annotations.Reference;正确包：
import com.alibaba.dubbo.config.annotation.Reference;严重: Servlet.service() for servlet [springmvc] in context with path [] threw exception [Request proce相关推荐
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