hi i am using hibernate 3.o tools along with jbosIDE 1.5M1- hibernate tools aplpha2 and eclipse 3.1M4. i am getting following error when trying to execute query.(mysql is data base)

org.hibernate.exception.SQLGrammarException: could not execute query
at org.hibernate.exception.ErrorCodeConverter.convert(ErrorCodeConverter.java:70)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
at org.hibernate.loader.Loader.doList(Loader.java:1518)
at org.hibernate.loader.Loader.list(Loader.java:1498)
at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:369)
at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:268)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:788)
at org.hibernate.impl.QueryImpl.list(QueryImpl.java:74)
at org.hibernate.console.HQLQueryPage.getList(HQLQueryPage.java:30)
at org.hibernate.eclipse.console.views.QueryPageViewer$ContentProviderImpl.getElements(QueryPageViewer.java:80)
at org.eclipse.jface.viewers.StructuredViewer.getRawChildren(StructuredViewer.java:766)
at org.eclipse.jface.viewers.StructuredViewer.getFilteredChildren(StructuredViewer.java:708)
at org.eclipse.jface.viewers.StructuredViewer.getSortedChildren(StructuredViewer.java:823)
at org.eclipse.jface.viewers.TableViewer.internalRefresh(TableViewer.java:725)
at org.eclipse.jface.viewers.TableViewer.internalRefresh(TableViewer.java:706)
at org.eclipse.jface.viewers.StructuredViewer$7.run(StructuredViewer.java:1172)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1109)
at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1170)
at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1129)
at org.eclipse.jface.viewers.TableViewer.inputChanged(TableViewer.java:667)
at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:248)
at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1314)
at org.hibernate.eclipse.console.views.QueryPageViewer.createTable(QueryPageViewer.java:174)
at org.hibernate.eclipse.console.views.QueryPageViewer.createControl(QueryPageViewer.java:153)
at org.hibernate.eclipse.console.views.QueryPageViewer.<init>(QueryPageViewer.java:111)
at org.hibernate.eclipse.console.views.QueryPageTabView.rebuild(QueryPageTabView.java:83)
at org.hibernate.eclipse.console.views.QueryPageTabView$1.contentsChanged(QueryPageTabView.java:52)
at org.hibernate.eclipse.console.views.QueryPageTabView$1.intervalAdded(QueryPageTabView.java:57)
at javax.swing.AbstractListModel.fireIntervalAdded(Unknown Source)
at org.hibernate.console.QueryPageModel.add(QueryPageModel.java:50)
at org.hibernate.console.KnownConfigurations$3.queryPageCreated(KnownConfigurations.java:167)
at org.hibernate.console.ConsoleConfiguration.fireQueryPageCreated(ConsoleConfiguration.java:266)
at org.hibernate.console.ConsoleConfiguration.executeHQLQuery(ConsoleConfiguration.java:247)
at org.hibernate.eclipse.console.views.KnownConfigurationsView$5.run(KnownConfigurationsView.java:143)
at org.hibernate.eclipse.console.views.KnownConfigurationsView$3.doubleClick(KnownConfigurationsView.java:91)
at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:638)
at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1044)
at org.eclipse.core.runtime.Platform.run(Platform.java:747)
at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:636)
at org.eclipse.jface.viewers.StructuredViewer.handleDoubleSelect(StructuredViewer.java:858)
at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:965)
at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:219)
at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:216)
at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:275)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:82)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:833)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:2803)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2448)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1569)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1540)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:285)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:144)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:102)
at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:220)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:273)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:129)
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 org.eclipse.core.launcher.Main.basicRun(Main.java:185)
at org.eclipse.core.launcher.Main.run(Main.java:710)
at org.eclipse.core.launcher.Main.main(Main.java:694)
Caused by: java.sql.SQLException: Table 'test.__emp' doesn't exist
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2847)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1531)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1622)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2376)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2297)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1860)
at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1705)
at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:118)
at org.hibernate.loader.Loader.getResultSet(Loader.java:1197)
at org.hibernate.loader.Loader.doQuery(Loader.java:366)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:206)
at org.hibernate.loader.Loader.doList(Loader.java:1515)
... 60 more
can any one help me on this

regards,
chinna

Need to provide much more information.