当我从手机上传多部分来自数据的手机和应用程序号码时，它正在访问服务器并且数据存储在数据库中。现在我将捕获的图像添加到它并发送到服务器它显示异常。
org.apache.commons.fileupload.FileUploadBase$UnknownSizeException: the request was rejected because its size is unknown
at org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:305)
at org.apache.commons.fileupload.servlet.ServletFileUpload.parseRequest (ServletFileUpload.java:116)
at org.apache.jsp.photo_jsp._jspService(photo_jsp.java:103)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:384)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process (Http11Protocol.java:634)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
at java.lang.Thread.run(Unknown Source)
在这里，我以字节发送移动和应用程序编号以及捕获的图像(imagecapturephoto1)。拍摄的图像在拍照后存储在视图中。但是当我们上传时它显示异常。
try
{
System.out.println("url:" + serverUrl);
connection = (HttpConnection)Connector.open(serverUrl,Connector.READ_WRITE);
connection.setRequestMethod(HttpConnection.POST);
connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=*****");
connection.setRequestProperty("User-Agent", "Profile/MIDP-2.1 Configuration/CLDC-1.1");
connection.setRequestProperty("Accept", "application/octet-stream" );
writer = new DataOutputStream(connection.openDataOutputStream());
// writer =new DataOutputStream( conn.openOutputStream());
String name="applicationNumber", name1="mobileNumber",name3="photo",
mimeType="text/plain",mimeType2="image/jpeg";
String value="123456789", value1="9849765432",fileName="applicationphoto.jpeg";
// write boundary
writeString(PREFIX);
writeString(boundary);
writeString(NEWLINE);
// write content header
writeString("Content-Disposition: form-data; name=\"" + name + "\"");
writeString(NEWLINE);
if (mimeType != null)
{
writeString("Content-Type: " + mimeType);
writeString(NEWLINE);
}
writeString("Content-Length: " + applicationNumber.length());
writeString(NEWLINE);
writeString(NEWLINE);
// write content
writeString(applicationNumber);
writeString(NEWLINE);
// write boundary
writeString(PREFIX);
writeString(boundary);
writeString(NEWLINE);
// write content header
writeString("Content-Disposition: form-data; name=\"" + name1 + "\"");
writeString(NEWLINE);
if (mimeType != null)
{
writeString("Content-Type: " + mimeType);
writeString(NEWLINE);
}
writeString("Content-Length: " + mobileNumber.length());
writeString(NEWLINE);
writeString(NEWLINE);
// write content
writeString(mobileNumber);
writeString(NEWLINE);
//uploading image...........
// write boundary
writeString(PREFIX);
writeString(boundary);
writeString(NEWLINE);
// write content header
writeString("Content-Disposition: form-data; name=\"" + name3
+ "\"; filename=\"" + fileName + "\"");
writeString(NEWLINE);
if (mimeType2 != null)
{
writeString("Content-Type: " + mimeType2);
writeString(NEWLINE);
}
writeString("Content-Length: " + imagecapturephoto1.length);
writeString(NEWLINE);
writeString(NEWLINE);
// write content
// SEND THE IMAGE
int index = 0;
int size = 1024;
do
{
System.out.println("write:" + index);
if((index+size)<=imagecapturephoto1.length)
{
writer.write(imagecapturephoto1, index, size);
}
index+=size;
}while(index<imagecapturephoto1.length);
writeString(NEWLINE);
writeString(PREFIX);
writeString(boundary);
writeString(PREFIX);
writeString(NEWLINE);
writer.flush();
//writer.write("-- ***** -- \r\n".getBytes());
serverResponseMessage = connection.getResponseMessage();
InputStream inputstream = connection.openInputStream();
// retrieve the response from server
int chnumber;
StringBuffer sbuffer =new StringBuffer();
while( ( chnumber= inputstream.read() ) != -1 )
{
sbuffer.append( (char)chnumber );
}
String resonsestring=sbuffer.toString();
int end=resonsestring.length();
int tempstr=resonsestring.indexOf(">");
statusResponse=resonsestring.substring(tempstr+1, end);
statusResponse="SUCCESS";
//outputStream.close();
writer.close();
connection.close();
return serverResponseMessage;
}
catch (Exception ex)
{
//statusResponse="SUCCESS";
ex.printStackTrace();
return null;
}
请建议我，我们如何从手机上传图片。我从过去 10 天开始感到震惊。请建议我如何解决这个问题。
提前致谢。-泰迦。