While trying to setup the application from scratch, I got into problem on embedded database setupdue to the following excception:

The following error(s) occurred:
Configuring the database failed. Couldnt create the database schema.
java.lang.UnsupportedOperationException: The user must supply a JDBC connection at net.sf.hibernate.connection.UserSuppliedConnectionProvider.getConnection(UserSuppliedConnectionProvider.java:32) at net.sf.hibernate.impl.BatcherImpl.openConnection(BatcherImpl.java:278) at net.sf.hibernate.impl.SessionImpl.connect(SessionImpl.java:3264) at net.sf.hibernate.impl.SessionImpl.connection(SessionImpl.java:3244) at com.atlassian.confluence.util.ConnectionKeeper.openConnections(ConnectionKeeper.java:113) at com.atlassian.confluence.util.ConnectionKeeper.(ConnectionKeeper.java:56) at com.atlassian.confluence.util.ConnectionKeeperLauncher.conditionallyStartConnectionKeeper(ConnectionKeeperLauncher.java:56) at com.atlassian.confluence.setup.actions.AbstractSetupDatabaseAction.runConnectionKeeperLauncher(AbstractSetupDatabaseAction.java:22) at com.atlassian.confluence.setup.actions.SetupEmbeddedDatabaseAction.execute(SetupEmbeddedDatabaseAction.java:28) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:171) at com.atlassian.confluence.setup.actions.SetupCheckInterceptor.intercept(SetupCheckInterceptor.java:27) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:168) at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:168) at com.atlassian.confluence.security.actions.PermissionCheckInterceptor.intercept(PermissionCheckInterceptor.java:40) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:168) at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:168) at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:168) at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:168) at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:168) at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:168) at com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:116) at com.opensymphony.webwork.dispatcher.ServletDispatcher.serviceAction(ServletDispatcher.java:182) at com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:162) at javax.servlet.http.HttpServlet.service(HttpServlet.java:103) at com.caucho.server.http.FilterChainServlet.doFilter(FilterChainServlet.java:96) at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:129) at com.atlassian.confluence.util.profiling.ProfilingPageFilter.parsePage(ProfilingPageFilter.java:36) at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:61) at com.caucho.server.http.FilterChainFilter.doFilter(FilterChainFilter.java:88) at com.atlassian.seraph.filter.SecurityFilter.doFilter(SecurityFilter.java:84) at com.caucho.server.http.FilterChainFilter.doFilter(FilterChainFilter.java:88) at com.atlassian.seraph.filter.LoginFilter.doFilter(LoginFilter.java:95) at com.caucho.server.http.FilterChainFilter.doFilter(FilterChainFilter.java:88) at com.atlassian.johnson.filters.JohnsonFilter.doFilter(JohnsonFilter.java:96) at com.caucho.server.http.FilterChainFilter.doFilter(FilterChainFilter.java:88) at org.springframework.orm.hibernate.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:100) at bucket.custom.FlushingSpringSessionInViewFilter.doFilterInternal(FlushingSpringSessionInViewFilter.java:30) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:57) at com.caucho.server.http.FilterChainFilter.doFilter(FilterChainFilter.java:88) at com.atlassian.util.profiling.filters.ProfilingFilter.doFilter(ProfilingFilter.java:132) at com.caucho.server.http.FilterChainFilter.doFilter(FilterChainFilter.java:88) at com.atlassian.core.filters.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:38) at com.caucho.server.http.FilterChainFilter.doFilter(FilterChainFilter.java:88) at com.caucho.server.http.Invocation.service(Invocation.java:315) at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:135) at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:246) at com.caucho.server.http.HttpRequest.handleConnection(HttpRequest.java:164) at com.caucho.server.TcpConnection.run(TcpConnection.java:139) at java.lang.Thread.run(Thread.java:534)