Exception in configuring bonitasoft with mysql database in windows

I am referring http://documentation.bonitasoft.com/configure-bonita-your-dbms link for integrating mysql-5.1 database with bonitasoft 6.2.1. Now the I am able to create tables according to requirement. Now the login page for bonitasoft is showing properly. But when I try to login with username:-install and password:-install, It shows me blank screen with following exception:-

Sep 6, 2014 2:57:04 PM org.bonitasoft.forms.server.HomepageServlet showDefaultPage
WARNING: Error while loading the file BonitaConsole.html in theme portal
org.bonitasoft.engine.exception.BonitaRuntimeException: java.lang.RuntimeException: org.bonitasoft.engine.theme.exception.SThemeNotFoundException: No theme exists with type = PORTAL
at org.bonitasoft.engine.api.impl.ServerAPIImpl.invokeMethod(ServerAPIImpl.java:122)
at org.bonitasoft.engine.api.impl.ClientInterceptor.invoke(ClientInterceptor.java:88)
at com.sun.proxy.$Proxy8.getLastUpdateDate(Unknown Source)
at org.bonitasoft.forms.server.HomepageServlet.getThemeLastUpdateDateFromEngine(HomepageServlet.java:182)
at org.bonitasoft.forms.server.HomepageServlet.showDefaultPage(HomepageServlet.java:156)
at org.bonitasoft.forms.server.HomepageServlet.doGet(HomepageServlet.java:103)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.bonitasoft.forms.server.filter.BPMURLSupportFilter.doFilter(BPMURLSupportFilter.java:233)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.bonitasoft.console.common.server.login.filter.AuthorizationFilter.isAuthorized(AuthorizationFilter.java:87)
at org.bonitasoft.console.common.server.login.filter.AuthorizationFilter.doAuthorizationFiltering(AuthorizationFilter.java:68)
at org.bonitasoft.console.common.server.login.filter.AuthorizationFilter.doFilter(AuthorizationFilter.java:58)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.bonitasoft.console.common.server.sso.filter.InternalSSOFilter.doFilter(InternalSSOFilter.java:103)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.bonitasoft.console.security.SessionFixationValve.invoke(SessionFixationValve.java:77)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.RuntimeException: org.bonitasoft.engine.theme.exception.SThemeNotFoundException: No theme exists with type = PORTAL
at org.bonitasoft.engine.api.impl.ThemeAPIImpl.getCurrentTheme(ThemeAPIImpl.java:50)
at org.bonitasoft.engine.api.impl.ThemeAPIImpl.getLastUpdateDate(ThemeAPIImpl.java:75)
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.bonitasoft.engine.api.impl.ServerAPIImpl.invokeAPI(ServerAPIImpl.java:292)
at org.bonitasoft.engine.api.impl.ServerAPIImpl.access$000(ServerAPIImpl.java:63)
at org.bonitasoft.engine.api.impl.ServerAPIImpl$1.call(ServerAPIImpl.java:261)
at org.bonitasoft.engine.transaction.JTATransactionServiceImpl.executeInTransaction(JTATransactionServiceImpl.java:207)
at org.bonitasoft.engine.api.impl.ServerAPIImpl.invokeAPIInTransaction(ServerAPIImpl.java:268)
at org.bonitasoft.engine.api.impl.ServerAPIImpl.invokeAPI(ServerAPIImpl.java:219)
at org.bonitasoft.engine.api.impl.ServerAPIImpl.invokeMethod(ServerAPIImpl.java:105)
… 31 more
Caused by: org.bonitasoft.engine.theme.exception.SThemeNotFoundException: No theme exists with type = PORTAL
at org.bonitasoft.engine.theme.impl.ThemeServiceImpl.getLastModifiedTheme(ThemeServiceImpl.java:198)
at org.bonitasoft.engine.api.impl.ThemeAPIImpl.getCurrentTheme(ThemeAPIImpl.java:48)
… 43 more

Please give me the solution.
Thanks,
Sushant

Hello;

Look on the supported matrice : MY SQL 5.5 is not supported after 6.1
Use 5.5, and if possible, postgres (there are some trouble with MySQL and the distributed transaction). Postgres 9.1 or over

why are you using 6.2.1 ?? can you try with a more recent version ?