<![CDATA[安道生練功房 - Latest posts for "dream1978"]]> https://forum.andowson.com/posts/listByUser/149 JForum - http://www.jforum.net [網頁程式設計 Web Development] 回覆:JSP精選實用範例(二):檔案上傳 ]]> https://forum.andowson.com/posts/preList/197/1391 https://forum.andowson.com/posts/preList/197/1391 GMT [網頁程式設計 Web Development] 回覆:JSP精選實用範例(二):檔案上傳
andowson wrote:為什麼會出現jre1.5.0_14.rar ?


廠商給的教學影片有提到要把1.5版的jre加進去，問廠商也是說目前公司是1.5的環境，所以才會加這一個]]> https://forum.andowson.com/posts/preList/197/1389 https://forum.andowson.com/posts/preList/197/1389 GMT [網頁程式設計 Web Development] 回覆:JSP精選實用範例(二):檔案上傳 http://cht.tw/h/3n24h]]> https://forum.andowson.com/posts/preList/197/1387 https://forum.andowson.com/posts/preList/197/1387 GMT [網頁程式設計 Web Development] 回覆:JSP精選實用範例(二):檔案上傳
andowson wrote:dream1978您好:
你的主要問題原因是這一行: 
java.lang.UnsupportedClassVersionError: Bad version number in .class file

請檢查Eclipse中的Java compiler設定是哪個版本的JDK


有1.5、1.6我都試過，都是一樣的結果
請問大大是否要新的版本才支援？如果是新版才支援的話，那是否1.5或是1.6有支援的寫法呢？]]> https://forum.andowson.com/posts/preList/197/1385 https://forum.andowson.com/posts/preList/197/1385 GMT [網頁程式設計 Web Development] 回覆:JSP精選實用範例(二):檔案上傳 我用你提供的範本檔案來執行，但是有些問題!!!
我是用Eclipse + JBoos-4.0.5.GA + jdk1.6.0_41

程式中我有多加下列兩行，建立目錄用的
File mkupload = new File(saveDirectory);
mkupload.mkdir();

請問一下，我是那個部分沒有注意到的嗎？

錯誤訊息如下：
exception

org.apache.jasper.JasperException: Exception in JSP: /fileupload.jsp:48

45: upload.setProgressListener(progressListener);
46:
47: // Parse the request
48: List items = upload.parseRequest(request);
49:
50: // Process the uploaded items
51:


Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:506)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)


root cause

javax.servlet.ServletException: Bad version number in .class file
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:843)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:776)
org.apache.jsp.fileupload_jsp._jspService(fileupload_jsp.java:140)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)


root cause

java.lang.UnsupportedClassVersionError: Bad version number in .class file
java.lang.ClassLoader.defineClass1(Native Method)
java.lang.ClassLoader.defineClass(Unknown Source)
java.security.SecureClassLoader.defineClass(Unknown Source)
org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1815)
org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:869)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1322)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1201)
java.lang.ClassLoader.loadClassInternal(Unknown Source)
org.apache.commons.fileupload.util.Streams.copy(Streams.java:123)
org.apache.commons.fileupload.util.Streams.copy(Streams.java:70)
org.apache.commons.fileupload.MultipartStream.readBodyData(MultipartStream.java:593)
org.apache.commons.fileupload.MultipartStream.discardBodyData(MultipartStream.java:617)
org.apache.commons.fileupload.MultipartStream.skipPreamble(MultipartStream.java:634)
org.apache.commons.fileupload.FileUploadBase$FileItemIteratorImpl.findNextItem(FileUploadBase.java:1023)
org.apache.commons.fileupload.FileUploadBase$FileItemIteratorImpl.<init>(FileUploadBase.java:1003)
org.apache.commons.fileupload.FileUploadBase.getItemIterator(FileUploadBase.java:310)
org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:334)
org.apache.commons.fileupload.servlet.ServletFileUpload.parseRequest(ServletFileUpload.java:115)
org.apache.jsp.fileupload_jsp._jspService(fileupload_jsp.java:96)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)


note The full stack trace of the root cause is available in the Apache Tomcat/5.5.20 logs.


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