I have created my project using STS( grails 2.0.0) and it works well on STS(tomcat).
now i tried to do-
grails clean ,grails war on command line
& manually deployed on external tomcat 6.0.35

But it shows me following-

Jan 12, 2012 11:05:07 AM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
Jan 12, 2012 11:05:13 AM org.apache.catalina.core.StandardContext listenerStart
SEVERE: Exception sending context initialized event to listener instance of class org.codehaus.groovy.grails.web.context.GrailsConte xtLoaderListener
org.springframework.beans.factory.BeanCreationExce ption: Error creating bean with name 'transactionManagerPostProcessor': Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationExce ption: Error creating bean with name 'transactionManager': Cannot resolve reference to bean 'sessionFactory' while setting bean property 'sessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationExce ption: Error creating bean with name 'sessionFactory': Cannot resolve reference to bean 'hibernateProperties' while setting bean property 'hibernateProperties'; nested exception is org.springframework.beans.factory.BeanCreationExce ption: Error creating bean with name 'hibernateProperties': Cannot resolve reference to bean 'dialectDetector' while setting bean property 'properties' with key [hibernate.dialect]; nested exception is org.springframework.beans.factory.BeanCreationExce ption: Error creating bean with name 'dialectDetector': Invocation of init method failed; nested exception is org.springframework.jdbc.support.MetaDataAccessExc eption: Error while extracting DatabaseMetaData; nested exception is java.sql.SQLException: No suitable driver found for jdbc:h2:mem:grailsDB;MVCC=TRUE
at org.springframework.beans.factory.support.Abstract AutowireCapableBeanFactory.doCreateBean(AbstractAu towireCapableBeanFactory.java:530)
at org.codehaus.groovy.grails.commons.spring.ReloadAw areAutowireCapableBeanFactory.doCreateBean(ReloadA wareAutowireCapableBeanFactory.java:126)
at org.springframework.beans.factory.support.Abstract AutowireCapableBeanFactory.createBean(AbstractAuto wireCapableBeanFactory.java:459)
at org.springframework.beans.factory.support.Abstract BeanFactory$1.getObject(AbstractBeanFactory.java:2 94)
at org.springframework.beans.factory.support.DefaultS ingletonBeanRegistry.getSingleton(DefaultSingleton BeanRegistry.java:225)
at org.springframework.beans.factory.support.Abstract BeanFactory.doGetBean(AbstractBeanFactory.java:291 )
at org.springframework.beans.factory.support.Abstract BeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.context.support.AbstractApplic ationContext.registerBeanPostProcessors(AbstractAp plicationContext.java:707)
at org.springframework.context.support.AbstractApplic ationContext.refresh(AbstractApplicationContext.ja va:449)
at org.codehaus.groovy.grails.commons.spring.DefaultR untimeSpringConfiguration.getApplicationContext(De faultRuntimeSpringConfiguration.java:153)
at org.codehaus.groovy.grails.commons.spring.GrailsRu ntimeConfigurator.configure(GrailsRuntimeConfigura tor.java:165)
at org.codehaus.groovy.grails.commons.spring.GrailsRu ntimeConfigurator.configure(GrailsRuntimeConfigura tor.java:124)
at org.codehaus.groovy.grails.web.context.GrailsConfi gUtils.configureWebApplicationContext(GrailsConfig Utils.java:121)
at org.codehaus.groovy.grails.web.context.GrailsConte xtLoader.initWebApplicationContext(GrailsContextLo ader.java:104)
at org.springframework.web.context.ContextLoaderListe ner.contextInitialized(ContextLoaderListener.java: 111)
at org.apache.catalina.core.StandardContext.listenerS tart(StandardContext.java:4206)
at org.apache.catalina.core.StandardContext.start(Sta ndardContext.java:4705)
at org.apache.catalina.core.ContainerBase.addChildInt ernal(ContainerBase.java:799)
at org.apache.catalina.core.ContainerBase.addChild(Co ntainerBase.java:779)
at org.apache.catalina.core.StandardHost.addChild(Sta ndardHost.java:601)
at org.apache.catalina.startup.HostConfig.deployWAR(H ostConfig.java:943)
at org.apache.catalina.startup.HostConfig.deployWARs( HostConfig.java:778)
at org.apache.catalina.startup.HostConfig.deployApps( HostConfig.java:504)
at org.apache.catalina.startup.HostConfig.start(HostC onfig.java:1317)
at org.apache.catalina.startup.HostConfig.lifecycleEv ent(HostConfig.java:324)
at org.apache.catalina.util.LifecycleSupport.fireLife cycleEvent(LifecycleSupport.java:142)
at org.apache.catalina.core.ContainerBase.start(Conta inerBase.java:1065)
at org.apache.catalina.core.StandardHost.start(Standa rdHost.java:840)
at org.apache.catalina.core.ContainerBase.start(Conta inerBase.java:1057)
at org.apache.catalina.core.StandardEngine.start(Stan dardEngine.java:463)
at org.apache.catalina.core.StandardService.start(Sta ndardService.java:525)
at org.apache.catalina.core.StandardServer.start(Stan dardServer.java:754)
at org.apache.catalina.startup.Catalina.start(Catalin a.java:595)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootst rap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstr ap.java:414)
Caused by: org.springframework.beans.factory.BeanCreationExce ption: Error creating bean with name 'transactionManager': Cannot resolve reference to bean 'sessionFactory' while setting bean property 'sessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationExce ption: Error creating bean with name 'sessionFactory': Cannot resolve reference to bean 'hibernateProperties' while setting bean property 'hibernateProperties'; nested exception is org.springframework.beans.factory.BeanCreationExce ption: Error creating bean with name 'hibernateProperties': Cannot resolve reference to bean 'dialectDetector' while setting bean property 'properties' with key [hibernate.dialect]; nested exception is org.springframework.beans.factory.BeanCreationExce ption: Error creating bean with name 'dialectDetector': Invocation of init method failed; nested exception is org.springframework.jdbc.support.MetaDataAccessExc eption: Error while extracting DatabaseMetaData; nested exception is java.sql.SQLException: No suitable driver found for jdbc:h2:mem:grailsDB;MVCC=TRUE
at org.springframework.beans.factory.support.BeanDefi nitionValueResolver.resolveReference(BeanDefinitio nValueResolver.java:328)
at org.springframework.beans.factory.support.BeanDefi nitionValueResolver.resolveValueIfNecessary(BeanDe finitionValueResolver.java:106)
at org.springframework.beans.factory.support.Abstract AutowireCapableBeanFactory.applyPropertyValues(Abs tractAutowireCapableBeanFactory.java:1350)
at org.springframework.beans.factory.support.Abstract AutowireCapableBeanFactory.populateBean(AbstractAu towireCapableBeanFactory.java:1111)
at org.springframework.beans.factory.support.Abstract AutowireCapableBeanFactory.doCreateBean(AbstractAu towireCapableBeanFactory.java:520)
at org.codehaus.groovy.grails.commons.spring.ReloadAw areAutowireCapableBeanFactory.doCreateBean(ReloadA wareAutowireCapableBeanFactory.java:126)
at org.springframework.beans.factory.support.Abstract AutowireCapableBeanFactory.createBean(AbstractAuto wireCapableBeanFactory.java:459)
at org.springframework.beans.factory.support.Abstract BeanFactory$1.getObject(AbstractBeanFactory.java:2 94)
at org.springframework.beans.factory.support.DefaultS ingletonBeanRegistry.getSingleton(DefaultSingleton BeanRegistry.java:225)
at org.springframework.beans.factory.support.Abstract BeanFactory.doGetBean(AbstractBeanFactory.java:291 )
at org.springframework.beans.factory.support.Abstract BeanFactory.getBean(AbstractBeanFactory.java:197)
at org.codehaus.groovy.grails.orm.support.Transaction ManagerPostProcessor.initialize(TransactionManager PostProcessor.java:74)
at org.codehaus.groovy.grails.orm.support.Transaction ManagerPostProcessor.setBeanFactory(TransactionMan agerPostProcessor.java:52)
at org.springframework.beans.factory.support.Abstract AutowireCapableBeanFactory.invokeAwareMethods(Abst ractAutowireCapableBeanFactory.java:1465)
at org.springframework.beans.factory.support.Abstract AutowireCapableBeanFactory.initializeBean(Abstract AutowireCapableBeanFactory.java:1433)
at org.springframework.beans.factory.support.Abstract AutowireCapableBeanFactory.doCreateBean(AbstractAu towireCapableBeanFactory.java:522)
... 38 more


Dont know whats going wrong? since past few days trying hard but no clue
Please help

thanks
Sana