Cannot call reset() after response has been committed

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前言

下载文件报错

java.lang.IllegalStateException: Cannot call reset() after response has been committed
at org.apache.catalina.connector.ResponseFacade.reset(ResponseFacade.java:347)
at ins.platfrom.services.FileService.downloadTemplate2(FileService.java:1215)
at ins.platfrom.controller.FileController.downloadTemplate(FileController.java:35)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:878)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:792)

原因

响应需要提前清空 然后再获取输出流 顺序不能颠倒 测试中发现

// 清空response
response.reset();
fis =new FileInputStream(fileName);
out = response.getOutputStream();


阿里云国内75折 回扣 微信号:monov8
阿里云国际,腾讯云国际,低至75折。AWS 93折 免费开户实名账号 代冲值 优惠多多 微信号:monov8 飞机:@monov6