Grails application on WAS 8.5

I'm trying to deploy Grails 2.0.0 application on WAS 8.5 server running on Power class host and getting error attached below. I've tried to change the order in which classes are loaded with no success, also added "Xverify:none" to my JVM parameters. The application mentioned works well on WAS on regular host, also empty helloworld application in Grails 2.0.0 works well on WAS on Power. Have anyone faced similar problems and found a solution?

Error Page Exception
SRVE0260E: The server cannot use the error page specified for your application to handle the Original Exception printed below.
Original Exception:
Error Message: javax.servlet.ServletException: Filter [sitemesh]: could not be initialized
Error Code: 500
Target Servlet: webcontainer.extension.DefaultExtensionProcessor
Error Stack: com.opensymphony.module.sitemesh.factory.FactoryException: Could not initialize
DecoratorMapper : org.codehaus.groovy.grails.web.sitemesh.GrailsLayoutDecoratorMapper:
org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named
'groovyPageLayoutFinder' is defined at com.opensymphony.module.sitemesh.factory.BaseFactory.pushDecoratorMapper(BaseFactory.java:117)
at
org.codehaus.groovy.grails.web.sitemesh.Grails5535Factory.loadDecoratorMappers(Grails5535Factory.java:231)
at
org.codehaus.groovy.grails.web.sitemesh.Grails5535Factory.loadConfig(Grails5535Factory.java:98)
at
org.codehaus.groovy.grails.web.sitemesh.Grails5535Factory.<init>(Grails5535Factory.java:66)