problems while instantiating the singleton

<!-- java.lang.RuntimeException: problems while instantiating the singleton
	at br.arq.acayaba.interceptors.HibernateSessionFactory.getFactory(HibernateSessionFactory.java:35)
	at br.arq.acayaba.interceptors.HibernateSessionInterceptor.beforeChain(HibernateSessionInterceptor.java:21)
	at org.vraptor.internal.domain.Domain.interceptBefore(Domain.java:155)
	at org.vraptor.internal.chain.Chain.processBeforeChain(Chain.java:209)
	at org.vraptor.internal.chain.Chain.execute(Chain.java:88)
	at org.vraptor.internal.Raptor.processRequest(Raptor.java:116)
	at org.vraptor.engine.RaptorServlet.service(RaptorServlet.java:57)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
	at br.com.locaweb.tomcat.LocaWebValve.invoke(LocaWebValve.java:101)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
	at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199)
	at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282)
	at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:754)
	at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:684)
	at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:876)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
	at java.lang.Thread.run(Thread.java:595)
Caused by: net.sf.hibernate.HibernateException: Could not find datasource
	at net.sf.hibernate.connection.DatasourceConnectionProvider.configure(DatasourceConnectionProvider.java:48)
	at net.sf.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:83)
	at net.sf.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:76)
	at net.sf.hibernate.cfg.Configuration.buildSettings(Configuration.java:1172)
	at net.sf.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:803)
	at br.arq.acayaba.interceptors.HibernateSessionFactory.<init>(HibernateSessionFactory.java:61)
	at br.arq.acayaba.interceptors.HibernateSessionFactory.getFactory(HibernateSessionFactory.java:31)
	... 23 more
Caused by: javax.naming.NameNotFoundException: Name jdbc is not bound in this Context
	at org.apache.naming.NamingContext.lookup(NamingContext.java:769)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:139)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:780)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:139)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:780)
	at org.apache.naming.NamingContext.lookup(NamingContext.java:152)
	at org.apache.naming.SelectorContext.lookup(SelectorContext.java:136)
	at javax.naming.InitialContext.lookup(InitialContext.java:351)
	at net.sf.hibernate.connection.DatasourceConnectionProvider.configure(DatasourceConnectionProvider.java:44)
	... 29 more
 -->