java - spring mvc下载文件IOException
问题描述
我用spring mvc下载大文件;
为什么会这样,我用nginx模拟文件下载的时候,没有问题。我尝试 HTTP 响应
我尝试了大约 30 MB 的视频
代码:
@GetMapping({"{id}"})
public void get(@PathVariable String id, HttpServletResponse response) throws IOException {
response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
response.setHeader("Content-Disposition", ContentDisposition.parse("filename=12.mp4").toString());
response.setHeader("Connection", "keep-alive");
response.setStatus(HttpStatus.OK.value());
InputStream inputStream = .....;
OutputStream outputStream = response.getOutputStream()
StreamUtils.copy(inputStream, outputStream);
inputStream.close();
outputStream.close();
}
错误:
org.apache.catalina.connector.ClientAbortException: java.io.IOException: An established connection was aborted by the software in your host machine
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:341)
at org.apache.catalina.connector.OutputBuffer.flushByteBuffer(OutputBuffer.java:766)
at org.apache.catalina.connector.OutputBuffer.append(OutputBuffer.java:671)
at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:376)
at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:354)
at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:96)
at org.springframework.util.StreamUtils.copy(StreamUtils.java:143)
at com.wzx.oss.service.FileService.writeFileToOutputStream(FileService.java:331)
at com.wzx.oss.controller.FileController.handleFileTransfer(FileController.java:79)
at com.wzx.oss.controller.FileController.get(FileController.java:44)
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:189)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:800)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
...
解决方案
我的问题已经解决了
非常感谢您的回答,@Octavian R。
Content-Disposition:协议决定程序的保存方式
需要添加响应头,而不是缓存
response.setHeader("Pragma", "No-cache");
response.setHeader("Cache-Control", "No-cache");
response.setDateHeader("Expires", 0);
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