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Je travaille sur servlet et quand je lance le servlet i eu erreur dans l'explorateur qui ditNetBeans avec connexion 7.2.1 mysql java.lang.ClassNotFoundException
type Exception report
message
descriptionThe server encountered an internal error() that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: PWC1397: Wrapper cannot find servlet class com.jp.NewServlet or a class it depends on
root cause
java.lang.ClassNotFoundException: com.jp.NewServlet
ce qui suit est le code du programme qui est lui-même est construit sous NetBeans
package com.jp;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class NewServlet extends HttpServlet {
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
try {
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet NewServlet</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>Servlet NewServlet at " + request.getContextPath() + "</h1>");
out.println("</body>");
out.println("</html>");
} finally {
out.close();
}
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
@Override
public String getServletInfo() {
return "Short description";
}
}
l'erreur suivante est indiqué sur NetBeans sous un message du serveur GlassFish
SEVERE: WebModule[/JP first-war]Error loading WebappClassLoader (delegate=true; repositories=WEB-INF/classes/) com.jp.loginservlet
java.lang.ClassNotFoundException: com.jp.NewServlet
at org.glassfish.web.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1509)
at org.glassfish.web.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1359)
at org.apache.catalina.core.StandardWrapper.loadServletClass(StandardWrapper.java:1403)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1267)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:1079)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:189)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
at com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:860)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:757)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1056)
at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:229)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:619)
je pense que le dessous est également erreur diablotin
WARNING: StandardWrapperValve[loginservlet]: PWC1382: Allocate exception for servlet NewServlet
java.lang.ClassNotFoundException: com.jp.NewServlet
at org.glassfish.web.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1509)
at org.glassfish.web.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1359)
at org.apache.catalina.core.StandardWrapper.loadServletClass(StandardWrapper.java:1403)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1267)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:1079)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:189)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
at com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:860)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:757)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1056)
at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:229)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:619)
j'ai correctement configuré le fichier web.xml pour la cartographie de Servet et tout .. la chose est que quand je tape paquet et quand l'indice montre pour elle i cant trouver mon chemin de package qui est com.jp
pouvez-vous me guider hors de ce ..? son urgent
remercier u à l'avance
oui ... mais je viens de poster le mauvais error.it était l'erreur de l'autre page et oui merci l'erreur est résolue en utilisant propre et construire. –