How does your Person class look like?
forums_at_java.net wrote:
> Hi, I am quite new to glassfish and I have run into a problem I can't
> seem to
> get past. I am trying to create a webpage, it was working quite fine
> until I
> tried to integrate my database into code. I keep getting a runtime
> error and
> I have spent a large chunk of time trying to fix this but I am getting
> nowhere with this. I would appreciate some help if anyone can. Here is
> the
> code package org.glassfish.samples; import java.io.IOException; import
> java.io.PrintWriter; import javax.persistence.EntityManagerFactory;
> import
> javax.persistence.PersistenceUnit; import javax.servlet.ServletException;
> import javax.servlet.annotation.WebServlet; import
> javax.servlet.http.HttpServlet; import
> javax.servlet.http.HttpServletRequest;
> import javax.servlet.http.HttpServletResponse; import model.Person; //
> //**/
> / * Servlet implementation class TestServlet/ / *//
> /_at_WebServlet("/TestServlet")/ /public class TestServlet extends
> HttpServlet
> {/ / private static final long serialVersionUID = 1L;/ / / /
> @PersistenceUnit/ / EntityManagerFactory emf;/ // / /**/ / * @see
> HttpServlet#HttpServlet()/ / *// / public TestServlet() {/ / super();/
> / //
> TODO Auto-generated constructor stub/ / }/ // / /**/ / * @see
> HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
> response)/
> / *// / protected void doGet(HttpServletRequest request,
> HttpServletResponse
> response) throws ServletException, IOException {/ / // TODO
> Auto-generated
> method stub/ / response.setContentType("text/html");/ / PrintWriter out =
> response.getWriter();/ / out.println(" / "Transitional//EN\">\n" +/ /
> "\n" +/
> / "Hello WWW\n" +/ / "\n" +/ / "
> ======== HELLO WWW
> ===========================================================
>
> \n");/ / / / int count;/ /
> if(request.getSession().getAttribute("count") ==
> null)/ / count = 0;/ / else/ / count =
> (Integer)request.getSession().getAttribute("count");/ /
> request.getSession().setAttribute("count", ++count);/ /
> out.println("Accessed: " +
> request.getSession().getAttribute("count"));/ / /
> / / / Person p = (Person)emf.createEntityManager().createQuery("select
> p from
> Person p ").getResultList().get(0);/ / out.println(p.getName());/ /
> out.println("");/ / / / }/ /}/ And I always get this error messsage
> .... WARNING: StandardWrapperValve[org.glassfish.samples.TestServlet]:
> PWC1406: Servlet.service() for servlet
> org.glassfish.samples.TestServlet
> threw exception
>
> .... java.lang.VerifyError: Expecting a stackmap frame at branch
> target 18 in
> method
> model.Person._persistence_isAttributeFetched(Ljava/lang/String;)Z
> at offset 4
>
> .... at java.lang.Class.forName0(Native Method)
>
> .... at java.lang.Class.forName(Class.java:264)
>
> .... at
>
> org.eclipse.persistence.internal.security.PrivilegedAccessHelper.getClassForName(PrivilegedAccessHelper.java:93)
>
>
> .... at
>
> org.eclipse.persistence.descriptors.ClassDescriptor.convertClassNamesToClasses(ClassDescriptor.java:1258)
>
>
> .... at
>
> org.eclipse.persistence.sessions.Project.convertClassNamesToClasses(Project.java:367)
>
>
> .... at
>
> org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:338)
>
>
> .... at
>
> org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.getServerSession(EntityManagerFactoryImpl.java:185)
>
>
> .... at
>
> org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:242)
>
>
> .... at
>
> org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:230)
>
>
> .... at
>
> com.sun.enterprise.container.common.impl.EntityManagerFactoryWrapper.createEntityManager(EntityManagerFactoryWrapper.java:110)
>
>
> .... at org.glassfish.samples.TestServlet.doGet(TestServlet.java:57)
>
> .... at javax.servlet.http.HttpServlet.service(HttpServlet.java:735)
>
> .... at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
>
> .... at
>
> org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1534)
>
>
> .... at
>
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
>
>
> .... 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 com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)
>
> .... at
>
> com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
>
>
> .... at
>
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
>
>
> .... at
>
> org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:326)
>
>
> .... at
>
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:227)
>
>
> .... at
>
> com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:170)
>
>
> .... at
>
> com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:822)
>
> .... at
> com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:719)
>
> .... at
> com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1013)
>
> .... at
>
> com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
>
>
> .... 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:722)
>
> Please I would appreciate help with this, it is driving me crazy. Also,
> anyone no how to use the debugger with JavaEE. I try running debugging
> mode
> but it doesn't to make any difference./
>
> --
>
> [Message sent by forum member 'dodo_manni']
>
> View Post: http://forums.java.net/node/889396
>
>