servlet文件下载,出现ClientAbortException: java.net.SocketException: Connection reset
小弟最近做了个servlet文件下载, 在浏览器中会弹出下载框, 但是点击取消下载按钮的时候, 控制台出现了错误,
ClientAbortException: java.net.SocketException: Connection reset
,时间一长,tomcat就卡死了。
我的servlet:
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setHeader("Cache-Control","no-cache");
response.setContentType("application/x-msdownload");
response.setCharacterEncoding("UTF-8");
String tempid = request.getParameter("id").toString();
if(tempid!=null || !tempid.equals("")){
String basePath = getServletContext().getRealPath("/");
String url = basePath+getUrlById(tempid); //文件路径
//创建输出流
OutputStream out = null;
FileInputStream fis = null;
try {
out = response.getOutputStream();
//打开输入流
File file = new File(url);
fis = new FileInputStream(file);
String fname = file.getName(); //获取文件名
response.setContentLength((int)file.length()); //设置文件流大小, 弹出下载框显示进度
response.addHeader("Content-disposition","attachment;filename=" + new String(fname.getBytes("gbk"),"iso-8859-1"));
byte[] b = new byte[1024];
int i =0;
while((i=fis.read(b,0,b.length))!=-1){
out.write(b,0,i);
}
out.flush();
} catch (IOException e) {
e.printStackTrace();
}finally{
fis.close();
out.close();
}
}
}
控制台:
ClientAbortException: java.net.SocketException: Connection reset by peer: socket write error
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:358)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:434)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:349)
at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:381)
at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:370)
at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:89)
at one.DownloadMobile.doPost(DownloadMobile.java:45)
at one.DownloadMobile.doGet(DownloadMobile.java:16)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.ecside.filter.ECSideFilter.doFilter(ECSideFilter.java:188)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
at java.lang.Thread.run(Unknown Source)
Caused by: java.net.SocketException: Connection reset by peer: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(Unknown Source)
at java.net.SocketOutputStream.write(Unknown Source)
at org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:740)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:434)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:349)
at org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:764)
at org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:118)
at org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:573)
at org.apache.coyote.Response.doWrite(Response.java:560)
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:353)
... 28 more
希望各位大侠看了之后给小弟指点一下