Hello from the http://java.sun.com/xml/jaxp/dist/1.1/docs/tutorial/xslt/work/Stylizer.java i have load one classe and i have transform it (i attach the classe). this class run welss on RESIN , this class transform one XML using one XSLT tempalte and produces HTML. for using i make this: <jsp:useBean id="transformamaquinas" scope="page" class="utils.formateo.Transformacion" />
and where i whant to show the XML transform i writte this: <% //esta String (kk) hay el resultado de una consulta a una bd que me lo mete en formato xml, bien fomado y validado. String kk = maquinas.selectTodasMaquinas("0", "0", 1,0); //la xslt String xslStyleSheet = application.getRealPath("HomeMaquinas.xslt"); //la transformacion transformamaquinas.Transforma(kk, xslStyleSheet, response); %> this in resin works well but in tomcat 4.1.12 show the bellow error. Can you help me? thanks ERROR: 2002-11-28 00:10:52 StandardWrapper[:invoker]: Loading container servlet invoker 2002-11-28 00:10:52 HostConfig[pruebas.irudia.com]: Deploying configuration descriptor xml.xml 2002-11-28 00:11:20 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception org.apache.jasper.JasperException: getWriter() has already been called for this response at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:2 48) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:289) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:247) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja va:260) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja va:191) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2396) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180 ) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve. java:170) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:641) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172 ) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:641) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :174) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:256) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:361) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:563) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:535) at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:638) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav a:533) at java.lang.Thread.run(Thread.java:536) ----- Root Cause ----- java.lang.IllegalStateException: getWriter() has already been called for this response at org.apache.coyote.tomcat4.CoyoteResponse.getOutputStream(CoyoteResponse.java :585) at org.apache.coyote.tomcat4.CoyoteResponseFacade.getOutputStream(CoyoteRespons eFacade.java:158) at utils.formateo.Stylizerf.toHTML(Stylizerf.java:35) at org.apache.jsp.index_jsp._jspService(index_jsp.java:285) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:136) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:2 04) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:289) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:247) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja va:260) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja va:191) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2396) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180 ) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve. java:170) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:641) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172 ) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:641) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :174) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:256) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:361) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:563) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:535) at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:638) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav a:533) at java.lang.Thread.run(Thread.java:536)
/* * Transformacion.java * * Created on 28 de noviembre de 2002, 1:23 */ package utils.formateo; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.FactoryConfigurationError; import javax.xml.parsers.ParserConfigurationException; import org.xml.sax.SAXException; import org.xml.sax.SAXParseException; import org.w3c.dom.Document; import org.w3c.dom.DOMException; // For write operation import javax.servlet.http.HttpServletResponse; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerException; import javax.xml.transform.TransformerFactory; import javax.xml.transform.TransformerConfigurationException; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.stream.StreamSource; import javax.xml.transform.stream.StreamResult; import java.io.*; public class Transformacion { public Transformacion(){ } public static void main(String argv[]) { Transformacion s = new Transformacion(); } public void Transforma(String xml, String stylesheet, HttpServletResponse response) throws TransformerException, TransformerConfigurationException, FileNotFoundException, IOException { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); //factory.setNamespaceAware(true); //factory.setValidating(true); try { DocumentBuilder builder = factory.newDocumentBuilder(); TransformerFactory tFactory = TransformerFactory.newInstance(); byte b[] = (new String(xml)).getBytes(); ByteArrayInputStream bitsxml = new ByteArrayInputStream(b); StreamSource stylesource = new StreamSource(stylesheet); Transformer transformer = tFactory.newTransformer(stylesource); StreamResult result = new StreamResult(response.getOutputStream()); transformer.transform(new StreamSource(bitsxml), result); } catch (TransformerConfigurationException tce) { // Error generated by the parser System.out.println ("\n** Transformer Factory error"); System.out.println(" " + tce.getMessage() ); // Use the contained exception, if any Throwable x = tce; if (tce.getException() != null) x = tce.getException(); x.printStackTrace(); } catch (TransformerException te) { // Error generated by the parser System.out.println ("\n** Transformation error"); System.out.println(" " + te.getMessage() ); // Use the contained exception, if any Throwable x = te; if (te.getException() != null) x = te.getException(); x.printStackTrace(); } catch (ParserConfigurationException pce) { // Parser with specified options can't be built pce.printStackTrace(); } catch (IOException ioe) { // I/O error ioe.printStackTrace(); } } // main }//clase
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