title: org.hibernate.MappingException: entity class not found ( using qualified class name does not work)
body: <p>I'm trying to run a simple SELECT FROM table  ( I have also tried SELECT FROM package.Class )query but I keep getting this error :</p>
  
  <pre><code> org.hibernate.MappingException: entity class not found: demo.Agents
      at org.hibernate.mapping.PersistentClass.getMappedClass(PersistentClass.java:125)
      at org.hibernate.tuple.PropertyFactory.getGetter(PropertyFactory.java:191)
      at org.hibernate.tuple.PropertyFactory.buildIdentifierProperty(PropertyFactory.java:67)
      at org.hibernate.tuple.entity.EntityMetamodel.&lt;init&gt;(EntityMetamodel.java:136)
      at org.hibernate.persister.entity.AbstractEntityPersister.&lt;init&gt;(AbstractEntityPersister.java:475)
      at org.hibernate.persister.entity.SingleTableEntityPersister.&lt;init&gt;(SingleTableEntityPersister.java:133)
      at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:84)
      at org.hibernate.impl.SessionFactoryImpl.&lt;init&gt;(SessionFactoryImpl.java:297)
      at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1385)
      at org.hibernate.console.ConsoleConfiguration$5.execute(ConsoleConfiguration.java:278)
      at org.hibernate.console.execution.DefaultExecutionContext.execute(DefaultExecutionContext.java:63)
      at org.hibernate.console.ConsoleConfiguration.execute(ConsoleConfiguration.java:107)
      at org.hibernate.console.ConsoleConfiguration.buildSessionFactory(ConsoleConfiguration.java:273)
      at org.hibernate.eclipse.console.actions.ExecuteQueryAction.execute(ExecuteQueryAction.java:82)
      at org.hibernate.eclipse.console.actions.ExecuteQueryAction.run(ExecuteQueryAction.java:56)
      at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
      at org.hibernate.eclipse.console.actions.ExecuteQueryAction.runWithEvent(ExecuteQueryAction.java:60)
      at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
      at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
      at org.eclipse.jface.action.ActionContributionItem$6.handleEvent(ActionContributionItem.java:452)
      at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
      at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
      at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165)
      at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754)
      at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701)
      at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665)
      at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499)
      at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679)
      at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
      at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668)
      at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
      at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
      at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
      at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
      at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
      at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
      at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:597)
      at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
      at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
      at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
  Caused by: java.lang.ClassNotFoundException: demo.Agents
      at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
      at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
      at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
      at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
      at java.lang.Class.forName0(Native Method)
      at java.lang.Class.forName(Class.java:169)
      at org.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:192)
      at org.hibernate.mapping.PersistentClass.getMappedClass(PersistentClass.java:122)
      ... 43 more
  </code></pre>
  
  <p>Here is the hbm.xml file of the class (notice the full qualifier demo.Agents)</p>
  
  <pre class="lang-xml prettyprint-override"><code>&lt;?xml version="1.0"?&gt;
  &lt;!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
  "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"&gt;
  &lt;!-- Generated Jun 27, 2012 19:17:46 by Hibernate Tools 3.6.0 --&gt;
  &lt;hibernate-mapping&gt;
      &lt;class name="demo.Agents" table="agents" schema="public"&gt;
          &lt;id name="id" type="int"&gt;
              &lt;column name="id" /&gt;
              &lt;generator class="assigned"&gt;&lt;/generator&gt;
          &lt;/id&gt;
          &lt;property name="ssn" type="long"&gt;
              &lt;column name="ssn" precision="13" scale="0" not-null="true" /&gt;
          &lt;/property&gt;
          &lt;property name="namee" type="string"&gt;
              &lt;column name="namee" length="15" not-null="true" /&gt;
          &lt;/property&gt;
          &lt;property name="surname" type="string"&gt;
              &lt;column name="surname" length="30" not-null="true" /&gt;
          &lt;/property&gt;
          &lt;property name="adress" type="string"&gt;
              &lt;column name="adress" length="100" /&gt;
          &lt;/property&gt;
          &lt;property name="phone" type="string"&gt;
              &lt;column name="phone" length="20" /&gt;
          &lt;/property&gt;
      &lt;/class&gt;
  &lt;/hibernate-mapping&gt;
  </code></pre>
  
  <p>Some other details, possibly helpful:</p>
  
  <p><a href="http://img441.imageshack.us/img441/2572/ss20120627202116.png" rel="nofollow">http://img441.imageshack.us/img441/2572/ss20120627202116.png</a></p>
  
  <p><a href="http://img20.imageshack.us/img20/2236/ss20120624201620.png" rel="nofollow">http://img20.imageshack.us/img20/2236/ss20120624201620.png</a></p>
  
  <p>If you need any other printscreens i'll be happy to provide them. Please help :). I'm in a really tight spot. Thanks ( and somebody add some better tags i'm to stressed out right now to think too much about them)</p>
  
  <p>LE</p>
  
  <p>the hibernatecfg.xml</p>
  
  <pre class="lang-xml prettyprint-override"><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;!DOCTYPE hibernate-configuration PUBLIC
          "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
          "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"&gt;
  &lt;hibernate-configuration&gt;
      &lt;session-factory&gt;
  
          &lt;property name="hibernate.connection.driver_class"&gt;org.postgresql.Driver&lt;/property&gt;
          &lt;property name="hibernate.connection.password"&gt;blablabla&lt;/property&gt;
          &lt;property name="hibernate.connection.url"&gt;jdbc:postgresql://localhost:5432/projteste&lt;/property&gt;
          &lt;property name="hibernate.connection.username"&gt;postgres&lt;/property&gt;
              &lt;property name="hibernate.dialect"&gt;org.hibernate.dialect.PostgreSQLDialect&lt;/property&gt;
      &lt;/session-factory&gt;
  &lt;/hibernate-configuration&gt;
  </code></pre>
  
  <p>the mappings are done in the console configuration   </p>
  
  <p>LE2  see the comments (link 607) i get that error if i remove the classes from additional mappings in console configuration..</p>
  
  <p>here's the hibernatecfg.xml</p>
  
  <pre class="lang-xml prettyprint-override"><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
                                           "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"&gt;
  &lt;hibernate-configuration&gt;
   &lt;session-factory name=""&gt;
    &lt;property name="hibernate.connection.driver_class"&gt;org.postgresql.Driver&lt;/property&gt;
    &lt;property name="hibernate.connection.password"&gt;123456&lt;/property&gt;
    &lt;property name="hibernate.connection.url"&gt;jdbc:postgresql://localhost:5432/projteste&lt;/property&gt;
    &lt;property name="hibernate.connection.username"&gt;postgres&lt;/property&gt;
    &lt;property name="hibernate.dialect"&gt;org.hibernate.dialect.PostgreSQLDialect&lt;/property&gt;
    &lt;mapping resource="demo/Clients.hbm.xml"/&gt;
      &lt;mapping resource="demo/Agents.hbm.xml"/&gt;
   &lt;/session-factory&gt;
  &lt;/hibernate-configuration&gt;
  </code></pre>
  
  <p>and the stack traces </p>
  
  <pre><code>org.hibernate.MappingNotFoundException: resource: demo/Clients.hbm.xml not found
  at org.hibernate.cfg.Configuration.addResource(Configuration.java:665)
  at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1679)
  at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1647)
  at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1626)
  at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1600)
  at org.hibernate.cfg.Configuration.configure(Configuration.java:1554)
  at org.hibernate.console.ConfigurationFactory.loadConfigurationXML(ConfigurationFactory.java:351)
  at org.hibernate.console.ConfigurationFactory.configureStandardConfiguration(ConfigurationFactory.java:279)
  at org.hibernate.console.ConfigurationFactory.buildConfiguration(ConfigurationFactory.java:184)
  at org.hibernate.console.ConfigurationFactory.createConfiguration(ConfigurationFactory.java:96)
  at org.hibernate.console.ConsoleConfiguration$3.execute(ConsoleConfiguration.java:240)
  at org.hibernate.console.execution.DefaultExecutionContext.execute(DefaultExecutionContext.java:63)
  at org.hibernate.console.ConsoleConfiguration.execute(ConsoleConfiguration.java:107)
  at org.hibernate.console.ConsoleConfiguration.buildWith(ConsoleConfiguration.java:237)
  at org.hibernate.console.ConsoleConfiguration.build(ConsoleConfiguration.java:188)
  at org.hibernate.eclipse.console.workbench.ConsoleConfigurationWorkbenchAdapter.getChildren(ConsoleConfigurationWorkbenchAdapter.java:42)
  at org.hibernate.eclipse.console.workbench.BasicWorkbenchAdapter.getChildren(BasicWorkbenchAdapter.java:100)
  at org.hibernate.eclipse.console.workbench.BasicWorkbenchAdapter.fetchDeferredChildren(BasicWorkbenchAdapter.java:106)
  at org.eclipse.ui.progress.DeferredTreeContentManager$1.run(DeferredTreeContentManager.java:235)
  at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)  
  </code></pre>
  
  <p>k4</p>
  
  <pre><code>  org.hibernate.console.HibernateConsoleRuntimeException: Could not compute classpath
      at org.hibernate.eclipse.console.EclipseLaunchConsoleConfigurationPreferences.getCustomClassPathURLS(EclipseLaunchConsoleConfigurationPreferences.java:103)
      at org.hibernate.eclipse.console.utils.ProjectUtils.findJavaProjects(ProjectUtils.java:302)
      at org.hibernate.eclipse.console.workbench.ProjectCompilerVersionChecker.validateProjectComplianceLevel(ProjectCompilerVersionChecker.java:35)
      at org.hibernate.eclipse.console.workbench.ConsoleConfigurationWorkbenchAdapter.getChildren(ConsoleConfigurationWorkbenchAdapter.java:37)
      at org.hibernate.eclipse.console.workbench.BasicWorkbenchAdapter.getChildren(BasicWorkbenchAdapter.java:100)
      at org.hibernate.eclipse.console.workbench.BasicWorkbenchAdapter.fetchDeferredChildren(BasicWorkbenchAdapter.java:106)
      at org.eclipse.ui.progress.DeferredTreeContentManager$1.run(DeferredTreeContentManager.java:235)
      at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
  Caused by: org.eclipse.core.runtime.CoreException: Unable to restore classpath entry.
      at org.eclipse.jdt.launching.JavaRuntime.abort(JavaRuntime.java:1376)
      at org.eclipse.jdt.launching.JavaRuntime.abort(JavaRuntime.java:1361)
      at org.eclipse.jdt.launching.JavaRuntime.newRuntimeClasspathEntry(JavaRuntime.java:731)
      at org.eclipse.jdt.launching.StandardClasspathProvider.recoverRuntimePath(StandardClasspathProvider.java:100)
      at org.eclipse.jdt.launching.StandardClasspathProvider.computeUnresolvedClasspath(StandardClasspathProvider.java:65)
      at org.eclipse.jdt.launching.JavaRuntime.computeUnresolvedRuntimeClasspath(JavaRuntime.java:1215)
      at org.hibernate.eclipse.console.utils.ClassLoaderHelper.getClasspath(ClassLoaderHelper.java:146)
      at org.hibernate.eclipse.console.EclipseLaunchConsoleConfigurationPreferences.getCustomClassPathURLS(EclipseLaunchConsoleConfigurationPreferences.java:94)
      ... 7 more
  Caused by: org.xml.sax.SAXException: FWK005 parse may not be called while parsing.
      at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:263)
      at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:284)
      at org.eclipse.jdt.launching.JavaRuntime.newRuntimeClasspathEntry(JavaRuntime.java:708)
      ... 12 more
  </code></pre>