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Forum locked This topic is locked, you cannot edit posts or make further replies.  [ 1 post ] 
Author Message
 Post subject: Hibernate on GlassFish : Class is not mapped problem
PostPosted: Thu Dec 13, 2012 1:39 am 
Newbie

Joined: Thu Dec 13, 2012 1:31 am
Posts: 1
Hello everyone,

First my apologies :

    For my bad english : I'm french so my vocabulary might be limited...
    If my problem has already be solved earlier. I searched through a lot of topic but couldn't find my answer.

I'm new to EJB and Hibernate and I'm trying to run a basic program which at some point uses a Hibernate Query to check if an entry is present in my database. I'm "hot-deploying" it from Eclipse (Juno) to my GlassFish domain (Glassfish V3), and my database is a 5.5.28 MySQL server.

My problem is : when i use the Query.creatyQuery method to get the result I want, i get the org.hibernate.hql.internal.ast.QuerySyntaxException: class is not mapped.

The problem is... it IS mapped. I'm using "annotation mapping" method... so no Hibernate hbm.xml mapping file involved. I tested it within a local Java Application, with the same exact syntax in my query, and it gave me the correct result. I assume I forgot something while deploying but I really can't figure out what... Here are the options I tested / facts I assume :

If the exception occurs at that time of the query process, it means that my hibernate.cfg.xml file is found and correctly read (So I think that the required libraries from hibernate I placed in lib directories of Glassfish are read, as well as my JDBC driver).

I tried to use .class.getName() to check wether or not I'm using the good class name in my query (I do know it's the class name that must be used inside the query and not the correponding table in my database). It gave me the class name I expected, and didn't solve my problem.

Now for my code:

Code:
Login.java (package session)

package beanSession;

import javax.ejb.LocalBean;
import javax.ejb.Stateless;

import org.hibernate.Query;
import org.hibernate.Session;

import beanEntity.*;

@Stateless
@LocalBean
public class Login {


    public Login() {
    }

    public boolean confirmerLogin(String pseudo, String mdp){
        Session s = HibernateUtils.getSession();   
        Query q = s.createQuery("From Joueur where pseudo ='"+pseudo+"'");
        if(q.list().size()>=1)
        return true;
        else
        return false;
    }

}


The method confirmerLogin() return true or false wether the argument is found or not in my database.

Joueur.java (package entity)

Code:
package beanEntity;

import java.io.Serializable;
import javax.persistence.*;


@Entity
public class Joueur implements Serializable {
private static final long serialVersionUID = 1L;

@Id
@GeneratedValue(strategy=GenerationType.AUTO)
private int idJoueur;
private String mdp;
private String pseudo;

public Joueur() {
}

public int getIdJoueur() {
    return this.idJoueur;
}

public void setIdJoueur(int idJoueur) {
    this.idJoueur = idJoueur;
}

public String getMdp() {
    return this.mdp;
}

public void setMdp(String mdp) {
    this.mdp = mdp;
}

public String getPseudo() {
    return this.pseudo;
}

public void setPseudo(String pseudo) {
    this.pseudo = pseudo;
}

}

Then, Hibernate.cfg.xml

Code:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
    <session-factory>
    <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
    <property name="hibernate.connection.password">********</property>
    <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/bgwpf</property>
    <property name="hibernate.connection.username">root</property>
    <property name="hibernate.dialect">org.hibernate.dialect.MySQLInnoDBDialect</property>
    <mapping class="beanEntity.Joueur"/>
</session-factory>
</hibernate-configuration>


And finally the exception :

Code:
INFO: HCANN000001: Hibernate Commons Annotations {4.0.1.Final}
INFO: HHH000412: Hibernate Core {4.1.8.Final}
INFO: HHH000206: hibernate.properties not found
INFO: HHH000021: Bytecode provider name : javassist
INFO: HHH000043: Configuring from resource: hibernate.cfg.xml
INFO: HHH000040: Configuration resource: hibernate.cfg.xml
WARN: HHH000223: Recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide!
INFO: HHH000041: Configured SessionFactory: null
INFO: HHH000402: Using Hibernate built-in connection pool (not for production use!)
INFO: HHH000115: Hibernate connection pool size: 20
INFO: HHH000006: Autocommit mode: false
INFO: HHH000401: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://localhost:3306/bgwpf]
INFO: HHH000046: Connection properties: {user=root, password=****}

INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLInnoDBDialect
INFO: HHH000399: Using default transaction strategy (direct JDBC transactions)
INFO: HHH000397: Using ASTQueryTranslatorFactory

    WARNING: A system exception occurred during an invocation on EJB Login method public boolean beanSession.Login.confirmerLogin(java.lang.String,java.lang.String)
javax.ejb.EJBException
at com.sun.ejb.containers.BaseContainer.processSystemException(BaseContainer.java:5119)
at com.sun.ejb.containers.BaseContainer.completeNewTx(BaseContainer.java:5017)
at com.sun.ejb.containers.BaseContainer.postInvokeTx(BaseContainer.java:4805)
at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:2004)
at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:1955)
at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:198)
at com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate.invoke(EJBLocalObjectInvocationHandlerDelegate.java:84)
at $Proxy98.confirmerLogin(Unknown Source)
at session.__EJB31_Generated__Login__Intf____Bean__.confirmerLogin(Unknown Source)
at ValiderLogin.doGet(ValiderLogin.java:26)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:734)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1523)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97)
at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:85)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:325)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:226)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:165)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954)
at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57)
at com.sun.grizzly.ContextTask.run(ContextTask.java:69)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:330)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:309)
at java.lang.Thread.run(Thread.java:722)

Caused by: org.hibernate.hql.internal.ast.QuerySyntaxException: Joueur is not mapped [From Joueur where pseudo ='']
at org.hibernate.hql.internal.ast.util.SessionFactoryHelper.requireClassPersister(SessionFactoryHelper.java:180)
at org.hibernate.hql.internal.ast.tree.FromElementFactory.addFromElement(FromElementFactory.java:110)
at org.hibernate.hql.internal.ast.tree.FromClause.addFromElement(FromClause.java:93)
at org.hibernate.hql.internal.ast.HqlSqlWalker.createFromElement(HqlSqlWalker.java:324)
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromElement(HqlSqlBaseWalker.java:3291)
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromElementList(HqlSqlBaseWalker.java:3180)
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromClause(HqlSqlBaseWalker.java:706)
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:562)
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:299)
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:247)
at org.hibernate.hql.internal.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:248)
at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:183)
at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:136)
at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:105)
at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:80)
at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:168)
at org.hibernate.internal.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:221)
at org.hibernate.internal.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:199)
at org.hibernate.internal.SessionImpl.createQuery(SessionImpl.java:1735)
at session.Login.confirmerLogin(Login.java:22)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.glassfish.ejb.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1056)
at org.glassfish.ejb.security.application.EJBSecurityManager.invoke(EJBSecurityManager.java:1128)
at com.sun.ejb.containers.BaseContainer.invokeBeanMethod(BaseContainer.java:5292)
at com.sun.ejb.EjbInvocation.invokeBeanMethod(EjbInvocation.java:615)
at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:797)
at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:567)
at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.doAround(SystemInterceptorProxy.java:157)
at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.aroundInvoke(SystemInterceptorProxy.java:139)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:858)
at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:797)
at com.sun.ejb.containers.interceptors.InterceptorManager.intercept(InterceptorManager.java:367)
at com.sun.ejb.containers.BaseContainer.__intercept(BaseContainer.java:5264)
at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:5252)
at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:190)
... 30 more


By the way, don't mind the comparison with an empty string (where pseudo =''), I get the same error with a not-null value.

I don't think there's other files involved but I will post anything else you could need. Thanks in advance for your help!


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