请帮忙,下面这些错误信息主要是那里引起的2008-6-7 23:41:20 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet servlet_image threw exception
java.lang.IllegalStateException: getOutputStream() has already been called for this response
at org.apache.catalina.connector.Response.getWriter(Response.java:610)
at org.apache.catalina.connector.ResponseFacade.getWriter(ResponseFacade.java:198)
at image.doGet(image.java:46)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
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:233)
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:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:856)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:565)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1509)
at java.lang.Thread.run(Thread.java:619)
严重: Servlet.service() for servlet servlet_image threw exception
java.lang.IllegalStateException: getOutputStream() has already been called for this response
at org.apache.catalina.connector.Response.getWriter(Response.java:610)
at org.apache.catalina.connector.ResponseFacade.getWriter(ResponseFacade.java:198)
at image.doGet(image.java:46)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
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:233)
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:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:856)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:565)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1509)
at java.lang.Thread.run(Thread.java:619)
response 被重复定义 是在一起的吗
就应该没事了。
response.getOutputStream()方法和response.getWriter()方法只能使用其中的一种。你一定是已经使用了response.getWriter()了。
<%
//记录
String BBS_A="";
String bbs_img="";
String bbs_img_s="";
try{
out.print("相册图片上传成功!<br/>");
out.print("<a href='photo.jsp?ids="+oid+"&yx="+yx+"'>我的相册</a><br/>");
out.print("<a href='index.jsp?yx="+yx+"'>社区首页</a><br/>");
}catch (Exception e){
}
sqlbean.CloseSQL();
%>
都是这样方法
把<%%>里面的空格去掉还是<%%>外面的空格去掉
<%@ page contentType="text/html; charset=utf-8" language="java" import="com.jspsmart.upload.*" errorPage="" %>
<%@ page import="java.io.*,java.awt.Image,java.awt.image.*,com.sun.image.codec.jpeg.*"%>
<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Cache-Control" content="max-age=0" forua="true" />
<meta http-equiv="Cache-Control" content="no-cache" forua="true"/>
<meta http-equiv="Cache-Control" content="must-revalidate" forua="true" />
<title>图片上传</title>
</head>
<body bgcolor="#FF0000" background="">
<table>
<%
java.text.SimpleDateFormat formatter_up = new java.text.SimpleDateFormat("yyyy-MM");
java.util.Date currentTime_up = new java.util.Date();//得到当前系统时间
String str_date_up = formatter_up.format(currentTime_up); //将日期时间格式化
//创建目录
java.io.File file_up = new java.io.File(""+request.getRealPath("/")+"/uploadfile/image/"+str_date_up+"/");
boolean result_up = false;
if(!file_up.exists()){
//mkdirs方法可以创建多个目录
result_up = file_up.mkdirs();
}
%>
<%
String itid = request.getParameter("itid")==null?"":request.getParameter("itid");String title="",err="";
SmartUpload mySmartUpload =new SmartUpload();
long file_size_max=1024*1000;
String fileName2="",ext="",testvar="";
String url="/uploadfile/image/"+str_date_up+"/"; //应保证在根目录中有此目录的存在
//初始化
mySmartUpload.initialize(pageContext);
try {//只允许上载此类文件
mySmartUpload.setAllowedFilesList("jpg,gif,jpeg,png,JPG,GIF,JPEG,PNG,Jpeg,Jpg,Gif,Png");
//上载文件
mySmartUpload.upload();
} catch (Exception e){out.print("只允许上传jpg,gif,jpeg,png的文件!");
return;
}
try{ com.jspsmart.upload.File myFile = mySmartUpload.getFiles().getFile(0);
if (myFile.isMissing()){
out.print("先选择要上传的文件!");
//请先选择要上传的文件
return;
}
else{
//String myFileName=myFile.getFileName(); //取得上载的文件的文件名
ext= myFile.getFileExt(); //取得后缀名
ext= ext.toLowerCase();
if(!ext.equals("gif")&&!ext.equals("jpg")&&!ext.equals("png")&&!ext.equals("jpeg"))
{out.print("不允许上传此类文件!");
return;
}
long file_size=myFile.getSize(); //取得文件的大小
if(file_size<=0)
{out.print("此类文件不存在!");
return;
}
String saveurl="";
if(file_size>file_size_max){ //上传文件大小不能超过
out.print("上传不成功,文件太大!");
//response.sendRedirect("photoup.jsp?err=1&itid="+itid+"");
return;
}
else{
//更改文件名,取得当前上传时间的毫秒数值
java.util.Calendar calendar = java.util.Calendar.getInstance();
String filename = String.valueOf(calendar.getTimeInMillis());
saveurl=request.getRealPath("/")+url;
saveurl+=inttime+filename+"."+ext; //保存路径
myFile.saveAs(saveurl,mySmartUpload.SAVE_PHYSICAL);
//out.print(filename);//-----------------------上传完成,开始生成缩略图-------------------------
java.io.File file = new java.io.File(saveurl); //读入刚才上传的文件
String newurl=request.getRealPath("/")+url+inttime+filename+"_s."+ext; //新的缩略图保存地址
Image src = javax.imageio.ImageIO.read(file); //构造Image对象
float tagsize=50;
int old_w=src.getWidth(null); //得到源图宽
int old_h=src.getHeight(null);
int new_w=0;
int new_h=0; //得到源图长
int tempsize;
float tempdouble;
if(old_w>old_h){
tempdouble=old_w/tagsize;
}else{
tempdouble=old_h/tagsize;
}
new_w=Math.round(old_w/tempdouble);
new_h=Math.round(old_h/tempdouble);//计算新图长宽
BufferedImage tag = new BufferedImage(new_w,new_h,BufferedImage.TYPE_INT_RGB);
tag.getGraphics().drawImage(src,0,0,new_w,new_h,null); //绘制缩小后的图
FileOutputStream newimage=new FileOutputStream(newurl); //输出到文件流
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(newimage);
encoder.encode(tag); //近JPEG编码
newimage.close();
}catch (Exception e){
}
%>
</table>
</body>
</html>