Could someone give me any hint what this can be:
Thanks
java.lang.NoSuchMethodError: org.apache.myfaces.renderkit.html.util.
DummyFormUtils.isWriteDummyForm(Ljavax/faces/context/FacesContext;)Z
at org.apache.myfaces.renderkit.html.util.ExtensionsPhaseListener.
writeCodeBeforeBodyEnd(ExtensionsPhaseListener.java:110)
at org.apache.myfaces.renderkit.html.util.ExtensionsPhaseListener.
getCodeBeforeBodyEnd(ExtensionsPhaseListener.java:96)
at org.apache.myfaces.renderkit.html.util.ExtensionsPhaseListener.
renderCodeBeforeBodyEnd(ExtensionsPhaseListener.java:86)
at org.apache.myfaces.renderkit.html.util.ExtensionsPhaseListener.
afterPhase(ExtensionsPhaseListener.java:66)
at org.apache.myfaces.lifecycle.LifecycleImpl.
informPhaseListenersAfter(LifecycleImpl.java:536)
at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.
java:359)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:173)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter
(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:178)
at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke
(CustomPrincipalValve.java:54)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke
(SecurityAssociationValve.java:174)
at org.jboss.web.tomcat.security.JaccContextValve.invoke
(JaccContextValve.java:74)
at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service
(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process
(Http11Processor.java:868)
at org.apache.coyote.http11.
Http11BaseProtocol$Http11ConnectionHandler.processConnection
(Http11BaseProtocol.java:663)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket
(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run
(MasterSlaveWorkerThread.java:112)
at java.lang.Thread.run(Thread.java:595)
