CEWOLF q !@#$% de erro eh esse?!

1 de abril de 2008 3 respostas

Marlon_Meneses 1 de abril de 2008

Olah pessoal!
Estou tentando trabalhar com o CEWOLF. Tudo parece estar configurado corretamente, mas qndo rodo minha
pagina d teste acontece esse erro.

HTTP ERROR: 500

org.apache.crimson.tree.XmlDocument.setDocumentURI(Ljava/lang/String;)V

RequestURI=/teste/cewolfteste.jsp
Caused by:

java.lang.AbstractMethodError: org.apache.crimson.tree.XmlDocument.setDocumentURI(Ljava/lang/String;)V
	at org.apache.jasper.xmlparser.ParserUtils.parseXMLDocument(ParserUtils.java:226)
	at org.apache.jasper.compiler.JspConfig.processWebDotXml(JspConfig.java:123)
	at org.apache.jasper.compiler.JspConfig.init(JspConfig.java:295)
	at org.apache.jasper.compiler.JspConfig.findJspProperty(JspConfig.java:360)
	at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:141)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:409)
	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:592)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:344)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:477)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:371)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
	at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:211)
	at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
	at org.mortbay.jetty.Server.handle(Server.java:324)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:506)
	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:829)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:396)
	at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442)

Alguem sabe me dizer oq esse erro significa?!

3 Respostas

Guitar_Men 1 de abr. de 2008

Vc mapeou a servlet que renderiza os gráficos corretamente ?? Cola o seu web.xml, a página jsp que chama o grafico e a classe que faz a consutla no bd…
Eu uso o cewolf e foi muito tranquilo configurá-lo…

Marlon_Meneses 1 de abr. de 2008

eu to usando o exemplo do tutorial do site

a pagina:

<%@page contentType="text/html"%>
<%@taglib uri='/WEB-INF/lib/cewolf.tld' prefix='cewolf' %>
<HTML>
    <BODY>
        <H1>Page View Statistics</H1>
        <HR>
        <jsp:useBean id="pageViews" class="utilidades.PageViewCountData"/>
        <cewolf:chart 
            id="line" 
            title="Page View Statistics" 
            type="line" 
            xaxislabel="Page" 
            yaxislabel="Views">
            <cewolf:data>
                <cewolf:producer id="pageViews"/>
            </cewolf:data>
        </cewolf:chart>
        <p>
        <cewolf:img chartid="line" renderer="cewolf" width="400" height="300"/>
        <P>
    </BODY>
</HTML>

web.xml

<servlet>
        <servlet-name>CewolfServlet</servlet-name>
        <servlet-class>de.laures.cewolf.CewolfRenderer</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>CewolfServlet</servlet-name>
        <url-pattern>/cewolf/*</url-pattern>
    </servlet-mapping>
    <load-on-startup>1</load-on-startup>

bean

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package utilidades;

/**
 *
 * @author marlon
 */
import java.io.Serializable;
import java.util.Date;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;

import de.laures.cewolf.DatasetProduceException;
import de.laures.cewolf.DatasetProducer;
import de.laures.cewolf.links.CategoryItemLinkGenerator;
import de.laures.cewolf.tooltips.CategoryToolTipGenerator;

/** 
 * An example data producer.
 * @author  Guido Laures 
 */
public class PageViewCountData implements DatasetProducer, CategoryToolTipGenerator, CategoryItemLinkGenerator, Serializable {

    private static final Log log = LogFactory.getLog(PageViewCountData.class);

    // These values would normally not be hard coded but produced by
    // some kind of data source like a database or a file
    private final String[] categories = {"mon", "tue", "wen", "thu", "fri", "sat", "sun"};
    private final String[] seriesNames = {"cewolfset.jsp", "tutorial.jsp", "testpage.jsp", "performancetest.jsp"};

    /**
     *  Produces some random data.
     */
    public Object produceDataset(Map params) throws DatasetProduceException {
        log.debug("producing data.");
        DefaultCategoryDataset dataset = new DefaultCategoryDataset() {

            /**
             * @see java.lang.Object#finalize()
             */
            protected void finalize() throws Throwable {
                super.finalize();
                log.debug(this + " finalized.");
            }
        };
        for (int series = 0; series < seriesNames.length; series++) {
            int lastY = (int) (Math.random() * 1000 + 1000);
            for (int i = 0; i < categories.length; i++) {
                final int y = lastY + (int) (Math.random() * 200 - 100);
                lastY = y;
                dataset.addValue(y, seriesNames[series], categories[i]);
            }
        }
        return dataset;
    }

    /**
     * This producer's data is invalidated after 5 seconds. By this method the
     * producer can influence Cewolf's caching behaviour the way it wants to.
     */
    public boolean hasExpired(Map params, Date since) {
        log.debug(getClass().getName() + "hasExpired()");
        return (System.currentTimeMillis() - since.getTime()) > 5000;
    }

    /**
     * Returns a unique ID for this DatasetProducer
     */
    public String getProducerId() {
        return "PageViewCountData DatasetProducer";
    }

    /**
     * Returns a link target for a special data item.
     */
    public String generateLink(Object data, int series, Object category) {
        return seriesNames[series];
    }

    /**
     * @see java.lang.Object#finalize()
     */
    protected void finalize() throws Throwable {
        super.finalize();
        log.debug(this + " finalized.");
    }

    /**
     * @see org.jfree.chart.tooltips.CategoryToolTipGenerator#generateToolTip(CategoryDataset, int, int)
     */
    public String generateToolTip(CategoryDataset arg0, int series, int arg2) {
        return seriesNames[series];
    }
}

Javabuntu 1 de abr. de 2008

isso aqui vai te ajudar

Criado 1 de abril de 2008

Ultima resposta 1 de abr. de 2008

Respostas 3

Participantes 3

3 Respostas

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