HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception java.lang.NullPointerException java.lang.String.startsWith(String.java:1421) java.lang.String.startsWith(String.java:1450) info.magnolia.module.extendedtemplatingkit.sites.ETKSiteManager.getAssignedSite(ETKSiteManager.java:157) info.magnolia.module.extendedtemplatingkit.filters.MultiSiteFilter.doFilter(MultiSiteFilter.java:66) info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:83) info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:62) info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84) info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:64) info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:88) info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:62) info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:77) info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) info.magnolia.enterprise.registration.RegistrationFilter.doFilter(RegistrationFilter.java:51) info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84) info.magnolia.cms.filters.CosMultipartRequestFilter.doFilter(CosMultipartRequestFilter.java:88) info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:102) info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:117) info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:64) info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:96) info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:199) note The full stack trace of the root cause is available in the Apache Tomcat/5.5.27 logs. Apache Tomcat/5.5.27