Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is javax.validation.UnexpectedTypeException: HV000030: No validator could be found for constraint 'javax.validation.constraints.NotBlank' validating type 'java.util.Date'. Check configuration for 'updateDate'] with root cause
时间: 2023-07-09 12:56:03 浏览: 114
这个错误是由于在对 java.util.Date 进行 @NotBlank 验证时,没有找到相应的验证器所引起的。因为 @NotBlank 注解只能用于 CharSequence 类型的属性上,而不是用于其他类型,比如 java.util.Date 类型。因此,需要使用适当的注解来验证 java.util.Date 类型的属性。例如,可以使用 @NotNull 或 @Past 等注解来验证一个日期类型的属性。你需要检查你的代码,并根据需要更改注解。
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Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception
根据提供的引用内容, Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is (这里是包名)] with root cause. Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause.和44.892 ERROR 13764 --- [nio-8081-exec-9] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed;... ,我可以告诉你的是这是一个关于Servlet的异常信息。具体来说,是当在处理请求时,由于某种原因导致了异常。异常的具体原因可能是包名(引用中的内容),也可能是java.lang.NullPointerException(引用中的内容)。这个异常信息表明在处理请求时发生了错误,导致请求处理失败(引用中的内容)。根据提供的信息,无法确定具体的异常原因,需要进一步的调查和排查才能确定问题的根本原因。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request
根据引用和引用,报错信息"Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause"表示在处理请求时发生了异常,具体是空指针异常。
根据引用的描述,问题可能出现在Springboot的Controller接收实体类参数时。根据测试结果,使用GET方法传递参数是可以正常接收的,而使用POST方法传递参数时却无法接收到值。这可能是因为接收实体类参数时的问题。
可能的解决方法是检查Controller中的接收参数的注解是否正确,并确保实体类的属性与请求参数的名称匹配。另外,还可以使用Postman工具进行测试,确认请求参数是否正确传递。
总结回答,报错信息"Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause"表示在处理请求时发生了空指针异常。问题可能出现在Springboot的Controller接收实体类参数时。可以检查Controller中的注解和实体类属性是否正确,并使用Postman工具进行测试确认参数是否正确传递。