configuration - exception in running on windows7 64 bit -

when run sonar using startsonar.bat getting exception read in http://obscuredclarity.blogspot.in/2012/05/install-sonar-on-windows-as-windows.html , refered many documentation regarding did not find solution this. , exception traced is,

jvm 1    | wrapper (version 3.2.3) http://wrapper.tanukisoftware.org jvm 1    |   copyright 1999-2006 tanuki software, inc.  rights reserved. jvm 1    | jvm 1    | 2013-05-06 13:10:25.267:info::logging org.sonar.application.filter edlogger@fee4648 via org.sonar.application.filteredlogger jvm 1    | 2013-05-06 13:10:25.301:info::jetty-6.1.25 jvm 1    | 2013-05-06 13:10:25.462:info::no jsp support /, did not find org. apache.jasper.servlet.jspservlet jvm 1    | 2013-05-06 13:10:26.451:warn::failed startup of context org.mortbay.j etty.webapp.webappcontext@70c26b16{/,file:/c:/program%20files/sonar-3.5.1/war/so nar-server} jvm 1    | org.sonar.api.utils.sonarexception: unable start database jvm 1    |      @ org.sonar.server.database.embeddeddatabase.start(embeddeddata base.java:86) jvm 1    |      @ org.sonar.server.database.embeddeddatabasefactory.start(embed deddatabasefactory.java:41) jvm 1    |      @ sun.reflect.nativemethodaccessorimpl.invoke0(native method) jvm 1    |      @ sun.reflect.nativemethodaccessorimpl.invoke(unknown source) jvm 1    |      @ sun.reflect.delegatingmethodaccessorimpl.invoke(unknown sourc e) jvm 1    |      @ java.lang.reflect.method.invoke(unknown source) jvm 1    |      @ org.picocontainer.lifecycle.reflectionlifecyclestrategy.invok emethod(reflectionlifecyclestrategy.java:110) jvm 1    |      @ org.picocontainer.lifecycle.reflectionlifecyclestrategy.start (reflectionlifecyclestrategy.java:89) jvm 1    |      @ org.picocontainer.injectors.abstractinjectionfactory$lifecycl eadapter.start(abstractinjectionfactory.java:84) jvm 1    |      @ org.picocontainer.behaviors.abstractbehavior.start(abstractbe havior.java:169) jvm 1    |      @ org.picocontainer.behaviors.stored$realcomponentlifecycle.sta rt(stored.java:132) jvm 1    |      @ org.picocontainer.behaviors.stored.start(stored.java:110) jvm 1    |      @ org.picocontainer.defaultpicocontainer.potentiallystartadapte r(defaultpicocontainer.java:1009) jvm 1    |      @ org.picocontainer.defaultpicocontainer.startadapters(defaultp icocontainer.java:1002) jvm 1    |      @ org.picocontainer.defaultpicocontainer.start(defaultpicoconta iner.java:760) jvm 1    |      @ org.sonar.api.platform.componentcontainer.startcomponents(com ponentcontainer.java:72) jvm 1    |      @ org.sonar.server.platform.platform.startdatabaseconnectors(pl atform.java:198) jvm 1    |      @ org.sonar.server.platform.platform.init(platform.java:138) jvm 1    |      @ org.sonar.server.platform.platformlifecyclelistener.contextin itialized(platformlifecyclelistener.java:33) jvm 1    |      @ org.mortbay.jetty.handler.contexthandler.startcontext(context handler.java:548) jvm 1    |      @ org.mortbay.jetty.servlet.context.startcontext(context.java:1 36) jvm 1    |      @ org.mortbay.jetty.webapp.webappcontext.startcontext(webappcon text.java:1272) jvm 1    |      @ org.mortbay.jetty.handler.contexthandler.dostart(contexthandl er.java:517) jvm 1    |      @ org.mortbay.jetty.webapp.webappcontext.dostart(webappcontext. java:489) jvm 1    |      @ org.mortbay.component.abstractlifecycle.start(abstractlifecyc le.java:50) jvm 1    |      @ org.mortbay.jetty.handler.handlerwrapper.dostart(handlerwrapp er.java:130) jvm 1    |      @ org.mortbay.jetty.server.dostart(server.java:224) jvm 1    |      @ org.mortbay.component.abstractlifecycle.start(abstractlifecyc le.java:50) jvm 1    |      @ org.sonar.application.jettyembedder.start(jettyembedder.java: 74) jvm 1    |      @ org.sonar.application.startserver.main(startserver.java:49) jvm 1    |      @ sun.reflect.nativemethodaccessorimpl.invoke0(native method) jvm 1    |      @ sun.reflect.nativemethodaccessorimpl.invoke(unknown source) jvm 1    |      @ sun.reflect.delegatingmethodaccessorimpl.invoke(unknown sourc e)` jvm 1    |      @ java.lang.reflect.method.invoke(unknown source) jvm 1    |      @ org.tanukisoftware.wrapper.wrappersimpleapp.run(wrappersimple app.java:240) jvm 1    |      @ java.lang.thread.run(unknown source) jvm 1    | 2013-05-06 13:10:26.473:info::started selectchannelconnector@0.0.0.0: 9000 

may know going wrong

you have configuration issue related database want use sonar. check configuration in "conf/sonar.properties" file make sure db connection properties correctly set.