rss问题的
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try{
org.dom4j.io.SAXReader saxReader = new org.dom4j.io.SAXReader();
org.dom4j.Document document = saxReader.read(rssUrl);
org.dom4j.Element channel = (org.dom4j.Element) document.getRootElement().element("channel");
int index =0;
for (java.util.Iterator i = channel.elementIterator("item"); i.hasNext();){
if(index 1>rssTable.Rows.length){
break;
}
org.dom4j.Element element = (org.dom4j.Element) i.next();
String title = element.elementText("title");
String link = element.elementText("link");
String pubDate = element.elementText("pubDate");
String source = element.elementText("source");
ci.adp.DataRow rssRow = rssTable.getDataRowByIndex(index);
rssRow.setValue("TITLE", title);
rssRow.setValue("LINK", link);
rssRow.setValue("PUBDATE", pubDate);
rssRow.setValue("SOURCE", source);
/*
System.out.println("title标题: " title);
System.out.println("link链接: " link);
System.out.println("pubDate发布时间: " pubDate);
System.out.println("source来源: " source);
*/
index ;
}
}catch (Exception e) {
e.printStackTrace();
}折腾了一上午，终于换一种方式搞定了。
上面这种dom4j方式，在我本机环境（windows weblogic10 jdk1.6）下没问题，
放到服务器上（linux5.4 x64 weblogic10 jdk1.6）上，始终都报这个错：
[oracle@ablw010215 bin]$ Warning: Caught exception attempting to use SAX to load a SAX XMLReader
Warning: Exception was: java.lang.ClassCastException: com.sun.org.apache.xerces.internal.parsers.XIncludeAwareParserConfiguration
Warning: I will print the stack trace then carry on using the default SAX parser
java.lang.ClassCastException: com.sun.org.apache.xerces.internal.parsers.XIncludeAwareParserConfiguration
at org.xml.sax.helpers.XMLReaderFactory.loadClass(XMLReaderFactory.java:199)
at org.xml.sax.helpers.XMLReaderFactory.createXMLReader(XMLReaderFactory.java:150)
at org.dom4j.io.SAXHelper.createXMLReader(SAXHelper.java:83)
at org.dom4j.io.SAXReader.createXMLReader(SAXReader.java:894)
at org.dom4j.io.SAXReader.getXMLReader(SAXReader.java:715)
at org.dom4j.io.SAXReader.read(SAXReader.java:435)
at org.dom4j.io.SAXReader.read(SAXReader.java:321)
at jsp_servlet._ajax._comm._bbs.__iframearticlecontent._jspService(__iframearticlecontent.java:100)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:35)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at ci.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:107)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
org.dom4j.DocumentException: SAX2 driver class weblogic.xml.jaxp.RegistryXMLReader does not implement XMLReader Nested exception: SAX2 driver class weblogic.xml.jaxp.RegistryXMLReader does not implement XMLReader
at org.dom4j.io.SAXReader.read(SAXReader.java:484)
at org.dom4j.io.SAXReader.read(SAXReader.java:321)
at jsp_servlet._ajax._comm._bbs.__iframearticlecontent._jspService(__iframearticlecontent.java:99)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:35)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at ci.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:107)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
Nested exception:
java.lang.ClassCastException: com.sun.org.apache.xerces.internal.parsers.XIncludeAwareParserConfiguration
at org.dom4j.io.SAXHelper.createXMLReader(SAXHelper.java:98)
at org.dom4j.io.SAXReader.createXMLReader(SAXReader.java:894)
at org.dom4j.io.SAXReader.getXMLReader(SAXReader.java:715)
at org.dom4j.io.SAXReader.read(SAXReader.java:435)
at org.dom4j.io.SAXReader.read(SAXReader.java:321)
at jsp_servlet._ajax._comm._bbs.__iframearticlecontent._jspService(__iframearticlecontent.java:100)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:35)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at ci.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:107)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
Nested exception: java.lang.ClassCastException: com.sun.org.apache.xerces.internal.parsers.XIncludeAwareParserConfiguration
at org.dom4j.io.SAXHelper.createXMLReader(SAXHelper.java:98)
at org.dom4j.io.SAXReader.createXMLReader(SAXReader.java:894)
at org.dom4j.io.SAXReader.getXMLReader(SAXReader.java:715)
at org.dom4j.io.SAXReader.read(SAXReader.java:435)
at org.dom4j.io.SAXReader.read(SAXReader.java:321)
at jsp_servlet._ajax._comm._bbs.__iframearticlecontent._jspService(__iframearticlecontent.java:100)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:35)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at ci.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:107)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)<2012-11-8 上午10时56分08秒 CST> <Warning> <Socket> <BEA-000449> <Closing socket as no data read from it on 10.16.99.18:53,874 during the configured idle timeout of 5 secs>
<2012-11-8 上午10时56分08秒 CST> <Warning> <Socket> <BEA-000449> <Closing socket as no data read from it on 10.16.99.18:53,875 during the configured idle timeout of 5 secs>
在weblogic.xml加配置文件、加lib包等等都不起作用，换成这个就好了（依赖lib在我上传的资源中，完全免费）：
try { URL url = new URL(rss); // 读取Rss源 XmlReader reader = new XmlReader(url); System.out.println("Rss源的编码格式为：" reader.getEncoding()); SyndFeedInput input = new SyndFeedInput(); SyndFeed feed = input.build(reader); // 得到SyndFeed对象，即得到Rss源里的所有信息 List entries
= feed.getEntries(); // 得到Rss新闻中子项列表 int index =0; for (int i = 0; i < entries.size(); i ) { // 循环得到每个子项信息 if(index 1>rssTable.Rows.length){ break; } SyndEntry entry = (SyndEntry) entries.get(i); /* System.out.println("标题：" entry.getTitle()); System.out.println("连接地址："
entry.getLink()); SyndContent description = entry.getDescription(); System.out.println("标题简介：" description.getValue()); System.out.println("发布时间：" entry.getPublishedDate()); // 以下是Rss源可先的几个部分 System.out.println("标题的作者：" entry.getAuthor()); */ ci.adp.DataRow
rssRow = rssTable.getDataRowByIndex(index); rssRow.setValue("TITLE", entry.getTitle()); rssRow.setValue("LINK", entry.getLink()); rssRow.setValue("PUBDATE", entry.getPublishedDate()); rssRow.setValue("SOURCE", entry.getAuthor()); /* // 此标题所属的范畴 List categoryList
= entry.getCategories(); if (categoryList != null) { for (int m = 0; m < categoryList.size(); m ) { SyndCategory category = (SyndCategory) categoryList .get(m); System.out.println("此标题所属的范畴：" category.getName()); } } */ index ; /* // 得到流媒体播放文件的信息列表 List
enclosureList = entry.getEnclosures(); if (enclosureList != null) { for (int n = 0; n < enclosureList.size(); n ) { SyndEnclosure enclosure = (SyndEnclosure) enclosureList .get(n); System.out.println("流媒体播放文件：" entry.getEnclosures()); } } */ } } catch (Exception
e) { e.printStackTrace(); }org.dom4j.io.SAXReader saxReader = new org.dom4j.io.SAXReader();org.dom4j.Document document = saxReader.read(rssUrl);org.dom4j.Element channel = (org.dom4j.Element) document.getRootElement().element("channel"); int index =0; for (java.util.Iterator i = channel.elementIterator("item");
i.hasNext();){ if(index 1>rssTable.Rows.length){ break; } org.dom4j.Element element = (org.dom4j.Element) i.next(); String title = element.elementText("title"); String link = element.elementText("link"); String pubDate = element.elementText("pubDate"); String
source = element.elementText("source"); ci.adp.DataRow rssRow = rssTable.getDataRowByIndex(index); rssRow.setValue("TITLE", title); rssRow.setValue("LINK", link); rssRow.setValue("PUBDATE", pubDate); rssRow.setValue("SOURCE", source); /* System.out.println("title标题:
" title); System.out.println("link链接: " link); System.out.println("pubDate发布时间: " pubDate); System.out.println("source来源: " source); */ index ; }这篇好文章是转载于：学新通技术网
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