Hi,
i get this strange exception:
%%%% Error Creating SessionFactory %%%%
org.hibernate.MappingException: Could not read mappings from resource: app/model/Benutzer.hbm.xml
at org.hibernate.cfg.Configuration.addResource(Configuration.java:485)
at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1465)
at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1433)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1414)
at org.hibernate.cfg.Configuration.configure(Configuration.java:1405)
at app.model.HibernateSessionFactory.currentSession(HibernateSessionFactory.java:62)
at app.bl.DBManager.getUserByLoginname(DBManager.java:413)
at de.marathonnet.server.LoginServiceImpl.checkAccount(LoginServiceImpl.java:42)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:299)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServiceServlet.java:186)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at com.google.gwt.dev.shell.GWTShellServlet.service(GWTShellServlet.java:113)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Unknown Source)
Caused by:
org.hibernate.DuplicateMappingException: Duplicate collection role mapping app.model.Benutzer.gruppen at org.hibernate.cfg.Mappings.addCollection(Mappings.java:124)
at org.hibernate.cfg.HbmBinder.createClassProperties(HbmBinder.java:2030)
at org.hibernate.cfg.HbmBinder.createClassProperties(HbmBinder.java:2005)
at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:368)
at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:282)
at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:153)
at org.hibernate.cfg.Configuration.add(Configuration.java:386)
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:427)
at org.hibernate.cfg.Configuration.addResource(Configuration.java:482)
... 41 more
com.google.gwt.user.client.rpc.InvocationException: The call failed on the server; see server log for details
at de.marathonnet.client.LoginService_Proxy$1.onCompletionImpl(transient source for de.marathonnet.client.LoginService_Proxy:66)
at de.marathonnet.client.LoginService_Proxy$1.onCompletionAndCatch(transient source for de.marathonnet.client.LoginService_Proxy:46)
at de.marathonnet.client.LoginService_Proxy$1.onCompletion(transient source for de.marathonnet.client.LoginService_Proxy:40)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.gwt.dev.shell.InstanceJavaDispatch.callMethod(InstanceJavaDispatch.java:40)
at com.google.gwt.dev.shell.ie.IDispatchProxy.invoke(IDispatchProxy.java:127)
at com.google.gwt.dev.shell.ie.IDispatchImpl.Invoke(IDispatchImpl.java:199)
at com.google.gwt.dev.shell.ie.IDispatchImpl.method6(IDispatchImpl.java:108)
at org.eclipse.swt.internal.ole.win32.COMObject.callback6(COMObject.java:117)
at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:1656)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2711)
at com.google.gwt.dev.GWTShell.pumpEventLoop(GWTShell.java:491)
at com.google.gwt.dev.GWTShell.run(GWTShell.java:459)
at com.google.gwt.dev.GWTShell.main(GWTShell.java:208)
%%%% Error Creating SessionFactory %%%%
java.lang.NullPointerException
at org.hibernate.persister.collection.AbstractCollectionPersister.<init>(AbstractCollectionPersister.java:216)
at org.hibernate.persister.collection.BasicCollectionPersister.<init>(BasicCollectionPersister.java:50)
at org.hibernate.persister.PersisterFactory.createCollectionPersister(PersisterFactory.java:72)
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:235)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1176)
at app.model.HibernateSessionFactory.currentSession(HibernateSessionFactory.java:63)
at app.bl.DBManager.getUserByLoginname(DBManager.java:413)
at de.marathonnet.server.LoginServiceImpl.checkAccount(LoginServiceImpl.java:42)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:299)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServiceServlet.java:186)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at com.google.gwt.dev.shell.GWTShellServlet.service(GWTShellServlet.java:113)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Unknown Source)
com.google.gwt.user.client.rpc.InvocationException: The call failed on the server; see server log for details
at de.marathonnet.client.LoginService_Proxy$1.onCompletionImpl(transient source for de.marathonnet.client.LoginService_Proxy:66)
at de.marathonnet.client.LoginService_Proxy$1.onCompletionAndCatch(transient source for de.marathonnet.client.LoginService_Proxy:46)
at de.marathonnet.client.LoginService_Proxy$1.onCompletion(transient source for de.marathonnet.client.LoginService_Proxy:40)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.gwt.dev.shell.InstanceJavaDispatch.callMethod(InstanceJavaDispatch.java:40)
at com.google.gwt.dev.shell.ie.IDispatchProxy.invoke(IDispatchProxy.java:127)
at com.google.gwt.dev.shell.ie.IDispatchImpl.Invoke(IDispatchImpl.java:199)
at com.google.gwt.dev.shell.ie.IDispatchImpl.method6(IDispatchImpl.java:108)
at org.eclipse.swt.internal.ole.win32.COMObject.callback6(COMObject.java:117)
at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:1656)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2711)
at com.google.gwt.dev.GWTShell.pumpEventLoop(GWTShell.java:491)
at com.google.gwt.dev.GWTShell.run(GWTShell.java:459)
at com.google.gwt.dev.GWTShell.main(GWTShell.java:208)
My Benutzer.hbm.xml looks like this:
<?xml version="1.0" encoding='UTF-8'?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd" >
<hibernate-mapping package="app.model">
<class name="Benutzer" table="benutzer">
<id name="benutzer_id" column="benutzer_id" type="java.lang.Integer">
<!-- postgresql generator -->
<generator class="sequence">
<param name="sequence">benutzer_id_seq</param>
</generator>
</id>
<property name="loginname" column="loginname" type="java.lang.String" not-null="true" />
<property name="password" column="password" type="java.lang.String" />
<property name="name" column="name" type="java.lang.String" not-null="true" />
<property name="vorname" column="vorname" type="java.lang.String" not-null="true" />
<property name="jahrgang" column="jahrgang" type="java.lang.Integer" not-null="true" />
<property name="geschlecht" column="geschlecht" type="java.lang.String" not-null="true" />
<property name="nation" column="nation" type="java.lang.String" not-null="true" />
<property name="strasse" column="strasse" type="java.lang.String" not-null="true" />
<property name="hausnr" column="hausnr" type="java.lang.String" not-null="true" />
<property name="plz" column="plz" type="java.lang.Integer" not-null="true" />
<property name="ort" column="ort" type="java.lang.String" not-null="true" />
<property name="telefon" column="telefon" type="java.lang.String" not-null="false" />
<property name="email" column="email" type="java.lang.String" not-null="false" />
<property name="kommentar" column="kommentar" type="java.lang.String" />
<property name="bild" column="bild" type="java.lang.Integer" />
<set name="gruppen" table="UserInGroup" lazy="true" cascade="all" >
<key column="benutzer_id"/>
<many-to-many class="Gruppe" column="gruppe_id"/>
</set>
</class>
</hibernate-mapping>
And my Benutzer.java is:
package app.model;
import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;
public class Benutzer
implements Serializable
{
/** The cached hash code value for this instance. Settting to 0 triggers re-calculation. */
private int hashValue = 0;
/** The composite primary key value. */
private java.lang.Integer benutzer_id;//id;
/** The value of the simple loginname property. */
private java.lang.String loginname;
/** The value of the simple passwort property. */
private java.lang.String password;
/** The value of the simple name property. */
private java.lang.String name;
/** The value of the simple vorname property. */
private java.lang.String vorname;
/** The value of the simple jahrgang property. */
private java.lang.Integer jahrgang;
/** The value of the simple geschlecht property. */
private java.lang.String geschlecht;
/** The value of the simple nation property. */
private java.lang.String nation;
/** The value of the simple strasse property. */
private java.lang.String strasse;
/** The value of the simple hausnr property. */
private java.lang.String hausnr;
/** The value of the simple plz property. */
private java.lang.Integer plz;
/** The value of the simple ort property. */
private java.lang.String ort;
/** The value of the simple telefon property. */
private java.lang.String telefon;
private String email;
/** The value of the simple kommentar property. */
private java.lang.String kommentar;
/** The value of the simple bild property. */
private java.lang.Integer bild;
/** Gruppen in denen der Benutzer eingetragen ist*/
private Set<Gruppe> gruppen;
/**
* Simple constructor of Benutzer instances.
*/
public Benutzer()
{
gruppen=new HashSet<Gruppe>();
}
/**
* Constructor of Benutzer instances given a simple primary key.
* @param id
*/
public Benutzer(java.lang.Integer id)
{
//super(id);
this.benutzer_id = id;
// gruppen=new HashSet<Gruppe>();
}
public java.lang.Integer getBenutzer_id() {
return benutzer_id;
}
public void setBenutzer_id(java.lang.Integer benutzer_id) {
this.benutzer_id = benutzer_id;
}
/**
* Return the value of the loginname column.
* @return java.lang.String
*/
public java.lang.String getLoginname()
{
return this.loginname;
}
/**
* Set the value of the loginname column.
* @param loginname
*/
public void setLoginname(java.lang.String loginname)
{
this.loginname = loginname;
}
/**
* Return the value of the passwort column.
* @return java.lang.String
*/
public java.lang.String getPassword()
{
return this.password;
}
/**
* Set the value of the passwort column.
* @param passwort
*/
public void setPassword(java.lang.String password)
{
this.password = password;
}
/**
* Return the value of the name column.
* @return java.lang.String
*/
public java.lang.String getName()
{
return this.name;
}
/**
* Set the value of the name column.
* @param name
*/
public void setName(java.lang.String name)
{
this.name = name;
}
/**
* Return the value of the vorname column.
* @return java.lang.String
*/
public java.lang.String getVorname()
{
return this.vorname;
}
/**
* Set the value of the vorname column.
* @param vorname
*/
public void setVorname(java.lang.String vorname)
{
this.vorname = vorname;
}
/**
* Return the value of the jahrgang column.
* @return java.lang.Integer
*/
public java.lang.Integer getJahrgang()
{
return this.jahrgang;
}
/**
* Set the value of the jahrgang column.
* @param jahrgang
*/
public void setJahrgang(java.lang.Integer jahrgang)
{
this.jahrgang = jahrgang;
}
/**
* Return the value of the geschlecht column.
* @return java.lang.String
*/
public java.lang.String getGeschlecht()
{
return this.geschlecht;
}
/**
* Set the value of the geschlecht column.
* @param geschlecht
*/
public void setGeschlecht(java.lang.String geschlecht)
{
this.geschlecht = geschlecht;
}
/**
* Return the value of the nation column.
* @return java.lang.String
*/
public java.lang.String getNation()
{
return this.nation;
}
/**
* Set the value of the nation column.
* @param nation
*/
public void setNation(java.lang.String nation)
{
this.nation = nation;
}
/**
* Return the value of the strasse column.
* @return java.lang.String
*/
public java.lang.String getStrasse()
{
return this.strasse;
}
/**
* Set the value of the strasse column.
* @param strasse
*/
public void setStrasse(java.lang.String strasse)
{
this.strasse = strasse;
}
/**
* Return the value of the hausnr column.
* @return java.lang.String
*/
public java.lang.String getHausnr()
{
return this.hausnr;
}
/**
* Set the value of the hausnr column.
* @param hausnr
*/
public void setHausnr(java.lang.String hausnr)
{
this.hausnr = hausnr;
}
/**
* Return the value of the plz column.
* @return java.lang.Integer
*/
public java.lang.Integer getPlz()
{
return this.plz;
}
/**
* Set the value of the plz column.
* @param plz
*/
public void setPlz(java.lang.Integer plz)
{
this.plz = plz;
}
/**
* Return the value of the ort column.
* @return java.lang.String
*/
public java.lang.String getOrt()
{
return this.ort;
}
/**
* Set the value of the ort column.
* @param ort
*/
public void setOrt(java.lang.String ort)
{
this.ort = ort;
}
/**
* Return the value of the telefon column.
* @return java.lang.String
*/
public java.lang.String getTelefon()
{
return this.telefon;
}
/**
* Set the value of the telefon column.
* @param telefon
*/
public void setTelefon(java.lang.String telefon)
{
this.telefon = telefon;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
/**
* Return the value of the kommentar column.
* @return java.lang.String
*/
public java.lang.String getKommentar()
{
return this.kommentar;
}
/**
* Set the value of the kommentar column.
* @param kommentar
*/
public void setKommentar(java.lang.String kommentar)
{
this.kommentar = kommentar;
}
/**
* Return the value of the bild column.
* @return java.lang.Integer
*/
public java.lang.Integer getBild()
{
return this.bild;
}
/**
* Set the value of the bild column.
* @param bild
*/
public void setBild(java.lang.Integer bild)
{
this.bild = bild;
}
public Set<Gruppe> getGruppen() {
return gruppen;
}
public void setGruppen(Set<Gruppe> gruppen) {
this.gruppen = gruppen;
}
public String toString(){
return("Loginname: "+this.getLoginname()
+" Passwort: "+this.getPassword()
+" Name: "+this.getName()
+" Vorname: "+this.getVorname()
+" Strasse: "+this.getStrasse()
+" PLZ: "+this.getPlz()
+" Ort: "+this.getOrt()
+" Land: "+this.getNation()
+" Tel.: "+this.getTelefon()
+" Email: "+this.getEmail()
+" Jahrgang: "+this.getJahrgang()
);
}
/**
* Implementation of the equals comparison on the basis of equality of the primary key values.
* @param rhs
* @return boolean
*/
public boolean equals(Object rhs)
{
if (rhs == null)
return false;
if (! (rhs instanceof Benutzer))
return false;
Benutzer that = (Benutzer) rhs;
if (this.getBenutzer_id() == null || that.getBenutzer_id() == null)
return false;
return (this.getBenutzer_id().equals(that.getBenutzer_id()));
}
/**
* Implementation of the hashCode method conforming to the Bloch pattern with
* the exception of array properties (these are very unlikely primary key types).
* @return int
*/
public int hashCode()
{
if (this.hashValue == 0)
{
int result = 17;
int idValue = this.getBenutzer_id() == null ? 0 : this.getBenutzer_id().hashCode();
result = result * 37 + idValue;
this.hashValue = result;
}
return this.hashValue;
}
}
Thanks for any help!
Kolja
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