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jsp文件下载问题：Connection reset by peer: socket write error

2009-08-26 10:07:55 1.7k 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

victor281004387 墨衍会员 · AI 创作全网分发关注 + 加入社区

告别轮询！用STM32CubeMX给STM32F030配置ADC多通道+DMA，实测代码分享本文详细介绍了如何使用STM32CubeMX为STM32F030配置ADC多通道采集与DMA传输，显著提升采集效率。通过实测对比轮询与DMA模式的性能差异，提供完整的代码实现和优化技巧，帮助开发者快速掌握这一高效采集方案。阅读详情

我用以下方法实现资源下载功能：

首先是一个客户端JSP页面，显示可下载的资源列表，当用户点击某个资源是，传递一个唯一的资源编号到Action，在数据库中读取该资源的url，然后下载次数+1，然后把url放到一个request里面，再跳到一个JSP页面：



<%@ page language="java" pageEncoding="GB18030"%>

<jsp:directive.page import="java.net.URLEncoder"/>

<%

    request.setCharacterEncoding("GB18030");

    String srcURL = String.valueOf(request.getAttribute("srcURL"));//资源路径



   	response.setContentType("application/x-download");

   	String url = "/upload/doc/"+srcURL;

   	String fileName = srcURL;

   	fileName = URLEncoder.encode(fileName, "UTF-8");

   	response.addHeader("Content-Disposition", "attachment;filename="

   			+ fileName);

   	RequestDispatcher rd = application.getRequestDispatcher(url);

   	rd.forward(request, response);

   	response.flushBuffer();

   	out.clear();

   	out.clearBuffer();

   	out = pageContext.pushBody();

%>

这时候，可以下载资源了，但是我发现点击某些资源，弹出保存框，并且取消保存的时候，控制台输出如下错误：



2009-8-26 22:06:58 org.apache.catalina.core.ApplicationDispatcher invoke

严重: Servlet.service() for servlet jsp threw exception

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:750)

	at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:432)

	at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:347)

	at org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:773)

	at org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:118)

	at org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:583)

	at org.apache.coyote.Response.doWrite(Response.java:560)

	at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:361)

	at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:432)

	at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:347)

	at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:392)

	at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:381)

	at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:89)

	at org.apache.catalina.servlets.DefaultServlet.copyRange(DefaultServlet.java:2083)

	at org.apache.catalina.servlets.DefaultServlet.copy(DefaultServlet.java:1796)

	at org.apache.catalina.servlets.DefaultServlet.serveResource(DefaultServlet.java:874)

	at org.apache.catalina.servlets.DefaultServlet.doGet(DefaultServlet.java:376)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:627)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)

	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679)

	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461)

	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:399)

	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)

	at org.apache.jsp.mainViews.downloadAction_jsp._jspService(downloadAction_jsp.java:56)

	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)

	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)

	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)

	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679)

	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461)

	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:399)

	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)

	at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1063)

	at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:386)

	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:229)

	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)

	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:627)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)

	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)

	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)

	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)

	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)

	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)

	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)

	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:875)

	at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)

	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)

	at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)

	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)

	at java.lang.Thread.run(Unknown Source)

2009-8-26 22:06:58 org.apache.catalina.core.StandardWrapperValve invoke

有谁对这个错误了解的吗？？有解决方案吗？？

...全文

Zephyr、FreeRTOS 和 RT-Thread 你是…更适合用嵌入式新手，刚接触 RTOSFreeRTOS（入门简单）IoT 项目开发，需要 BLE/WiFi/MQTTZephyr（协议全）想快速构建可部署的产品Zephyr（模块统一）只做单个任务或简单状态机控制FreeRTOS（轻量）做平台化、持续集成、自动测试Zephyr（CI 支持强）阅读详情

victor281004387

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切换为时间正序

xyslim 2012-07-13

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遇到同一问题

Pomelo828 2012-03-01

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加jquery出现这个问题了！

我发现是请求了很多次但是就是不知道怎么解决...

笑是我的药 2011-06-13

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我也遇到这个问题了。。。。。。。。。。。

iamleoz 2010-08-18

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同样问题一开始还是没有问题的后来加了些框架就出问题了

蜗牛提速 2010-05-11

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我也遇到同样的问题，郁闷

kala197 2009-08-27

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public Hashtable<String, Object> download(String fileid, String basePath,
Hashtable<String, Object> hsTmp, HttpServletRequest request,
HttpServletResponse response) {

TBmpMtannex tbx1 = new TBmpMtannex();//
tbx1 = (TBmpMtannex) (daoTool
.find("from TBmpMtannex as a where a.MFileId='" + fileid + "'"))
.get(0);//
// HttpServlet servlet = null;
String path = tbx1.getMSpace();//
// String path
// =servlet.getServletContext().getRealPath("")+"\\upload\\";
String fileName = tbx1.getMFileName();//
fileName = fileName.substring(fileName.indexOf("=") + 1);//
String filePath = path;//
String file = filePath + "/" + fileName;//
System.out.println(file);//
File fl=new File(file);//
if(!fl.exists()){//
response.setContentType("text/html;charset=UTF-8");//
PrintWriter out;//
try {
//String message="对不起，文件不存在!";
out = response.getWriter();//
out.write("<script language='javascript'>alert('对不起，文件不存在!');history.go(-1);</script>");//
out.flush();//
out.close();//

} catch (IOException e) {
System.out.println("文件不存在"+e);
}

}
FileInputStream fis = null;//
OutputStream os = null;//
byte[] bos = new byte[1024];//
int length = 0;//
try {
response.setContentType("application/x-msdownload");//
response.setHeader("Content-disposition", "attachment;filename="//
+ new String(fileName.getBytes("gb2312"), "iso8859-1"));//
fis = new FileInputStream(file);//
os = response.getOutputStream();//
while ((length = fis.read(bos)) != -1) {//
os.write(bos, 0, length);//
os.flush();//
}
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
if (os != null)
os.close();//
if (fis != null)
fis.close();//
} catch (Exception ex) {
ex.printStackTrace();
}
}

return hsTmp;
}
我的下载你看看有帮助没

kala197 2009-08-27

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public Hashtable<String, Object> saveWeekly(
Hashtable<String, Object> hsTmp, String basePath, TblUserR user,
MtweeklyForm mwf, HttpServletRequest request, String realPath) {
String msg = "保存成功";//
TBmpMtannex tbx = new TBmpMtannex();//
FormFile myfile = mwf.getMyfile();//
String filename = myfile.getFileName();//
int size = myfile.getFileSize();//
String type = myfile.getContentType();//
System.out.println(filename);//
System.out.println(size);//
System.out.println(type);//
FileOutputStream fos = null;
try {
// myfile.getInputStream();
byte[] date = myfile.getFileData();
// Java如果要访问服务器硬盘，一定要提供逻辑绝对路径（硬盘上的路径C:\..）,应用的默认在tomcat的bin目录下；
// 怎么样将URL相对路径/files/转成硬盘上的绝对路径？用application在Action里
fos = new FileOutputStream(realPath + "/" + filename, true);//
System.out.print("????????????????????????????" + realPath);
fos.write(date);//
} catch (RuntimeException ex) {
ex.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
fos.close();//
} catch (IOException e) {

e.printStackTrace();
}
}
tbx.setMFileName(filename);//
tbx.setMSpace(realPath);// 路径是否是绝对路径？？？？？？？？？？
tbx.setMUploadDate(new Date());//
tbx.setMUploadUser(user.getMName());//
tbx.setMIsdel("0");//
tbx.setMFileInfo("大小：" + size + ";类型：" + type);//
try {
daoTool.saveOrUpdate(tbx);//

} catch (RuntimeException ex) {
ex.printStackTrace();
} catch (Exception ex) {
ex.printStackTrace();
System.out.println("这里出错@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@" + ex);
}
TBmpMtweekly tbmly = new TBmpMtweekly();//
String mfileId = tbx.getMFileId();// 附件ID
System.out.println("qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq"
+ tbx.getMFileId());
// 先保存文件在保存主业务表数据这样可以用附件ID 在下载时找到要下载的文件
String mreportype = request.getParameter("mreporttype") == null ? ""
: request.getParameter("mreporttype");// 报表类型
//TU2d tud=new TU2d();
String deptname = ((TU2d) daoTool.find(
"from TU2d as a where a.tblUserR = '" + user.getMUserid() + "'").get(0))//
.getTDept().getWDeptName(); //
String mupplace = deptname;// 上传地市；
String mreporttime = request.getParameter("mreporttime") == null ? ""
: request.getParameter("mreporttime");// 报表时间
tbmly.setMAnswerPlace("全省各地市");
tbmly.setMFileId(mfileId);//
tbmly.setMFileName(tbx.getMFileName());//
System.out.println("%%%%%%%%%%%%%%%%%%%%%%%%%%%%" + tbx.getMFileName());
tbmly.setMIsdel("0");//
tbmly.setMReportTime(StringUtil.strToDate(mreporttime));//
tbmly.setMTemp1(mupplace);//
tbmly.setMReportType(mreportype);//
tbmly.setMUploadTime(tbx.getMUploadDate());//
tbmly.setMUploadUser(tbx.getMUploadUser());//
try {
daoTool.saveOrUpdate(tbmly);//
} catch (RuntimeException ex) {
ex.printStackTrace();
} catch (Exception ex) {
ex.printStackTrace();
System.out.println("错误发生了哎！！￥￥￥￥￥￥￥￥￥￥￥￥￥￥￥￥￥￥" + ex);
}
System.out.println("00000000000000000000000000000000000"+tbmly.getMReportTime());
String mttime=StringUtil.dateToStr(tbmly.getMReportTime(),"yyyy-MM-dd");//
System.out.println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+mttime);
String hql="from TBmpMtdept as a where a.MTemp='"+mttime+"'and a.MTemp1='"+tbmly.getMReportType()+"'";//
List list001=daoTool.find(hql);
//在这里加个上传时间的判断就是没有及时回复和没回复的就区分出来了；时间大于要求的时间就不保存了；
TBmpMtdept tbdept=new TBmpMtdept();//
if(list001.size()>0){
tbdept=(TBmpMtdept)list001.get(0);
//对于删除后重复上传的的地市编号要判断是否存在了要是存在就不需要再加入这个地市编号了；
tbdept.setMDeptNumber(tbdept.getMDeptNumber()+" "+tbmly.getMFileName().substring(8, 11));//
try{
daoTool.saveOrUpdate(tbdept);
}catch (RuntimeException ex) {
ex.printStackTrace();
}catch(Exception ex){
ex.printStackTrace();
System.out.println("倒霉这里出错了哎！！1》》》》》》》》》》》》》》》》》》》》》》" + ex);
}
}else{
tbdept.setMDeptNumber(tbmly.getMFileName().substring(8, 11));//地市号码集
tbdept.setMIsdel("0");
tbdept.setMTemp(StringUtil.dateToStr(tbmly.getMReportTime(),"yyyy-MM-dd"));//周报时间
tbdept.setMTemp1(tbmly.getMReportType());//报表类型
tbdept.setMTemp2(StringUtil.dateToStr(tbmly.getMUploadTime(),"yyyy-MM-dd hh:mm:ss"));//上传时间

try{
daoTool.saveOrUpdate(tbdept);
}catch (RuntimeException ex) {
ex.printStackTrace();
}catch(Exception ex){
ex.printStackTrace();
System.out.println("倒霉这里出错了哎！！2<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<," + ex);
}
}
我的上传

BearKin 2009-08-27

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[Quote=引用 2 楼 hotleavegjz 的回复:]
报connection reset by peer的时候, 就是因为服务器端向客户端传送数据, 但是客户端已经断开请求.

这不影响使用.
还有另外一个问题不知道你有没有遇到, 那就是当点击的时候如果你机器安装了迅雷的话, 而你点击了迅雷的取消, 这时, 文件实际被下载了两次.
[/Quote]

客户端断开请求 LZ你可以捕捉下异常看看