TeamCity doesn't start in JBoss 5.1.0GA

When trying to deploy TeamCity on JBoss 5.1.0GA I get the following error:


javax.servlet.ServletException: Servlet execution threw an exception
at  org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:313)
at  org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at  org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
at  org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:38)
at  org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at  org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:86)
at  org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at  org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
at  org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at  org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
at  org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at  org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
at  org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
at  org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:390)
at  org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:517)
at  org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
at  org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at  org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
at  org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at  org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
at  org.jboss.on.embedded.LazyStartupFilter.doFilter(LazyStartupFilter.java:87)
at  org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at  org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at  org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at  org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at  org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at  org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
at  org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at  org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
at  org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
at  org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
at  org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
at  org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at  org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at  org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
at  org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at  org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
at  org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
at  org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
at  org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at  java.lang.Thread.run(Thread.java:636)

I took the following steps to deploy the application:

In the admin screen I select Web Application.
I selected the war file and checked "Deploy Exploded"