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)
76963a767648daec2a3ba633be6af136 196b221079040666e3f89e6491d8e40a b382046ee41c398bcec9921d8832c4ff 6bc501c6818cb3f5d42283b4e4649af5 940b43805e9afc81032aa6c833513b7b
76963a767648daec2a3ba633be6af136 196b221079040666e3f89e6491d8e40a b382046ee41c398bcec9921d8832c4ff 6bc501c6818cb3f5d42283b4e4649af5 a4f8b6e3d08b8686c74164db780d09e4
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++; }
以上是解析rss问题的总结的详细内容。更多信息请关注PHP中文网其他相关文章!

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