Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is com.alibaba.excel.exception.ExcelCommonException: Convert excel format exception.You can try specifying the 'exc
时间: 2023-07-09 14:35:50 浏览: 58
useHeader' parameter to 'true' if the first row of the sheet is the header, or specify a 'Converter' to parse the data.] with root cause
这是一个异常信息,发生在一个名为dispatcherServlet的Servlet中,可能是在处理HTTP请求时出现了问题。异常的根本原因是Excel格式转换异常,可能是由于Excel文件的格式不正确导致的。解决此问题的方法是尝试将参数'useHeader'设置为'true',如果Excel文件的第一行是表头,或者在代码中指定一个转换器来解析数据。
相关问题
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。
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