java.lang.UnsupportedOperationException: This request class is an empty placeholder

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via myfaces-users by Edmond B. Mulemangabo, 1 year ago
via myfaces-users by Edmond B. Mulemangabo, 1 year ago
java.lang.UnsupportedOperationException: This request class is an empty placeholder
at undefined.$Proxy0.getHeader(Unknown Source)
at javax.servlet.http.HttpServletRequestWrapper.getHeader(HttpServletRequestWrapper.java:80)
at org.apache.myfaces.trinidadinternal.context.external.ServletRequestHeaderMap.getAttribute(ServletRequestHeaderMap.java:42)
at org.apache.myfaces.trinidadinternal.context.external.ServletRequestHeaderMap.getAttribute(ServletRequestHeaderMap.java:30)
at org.apache.myfaces.trinidadinternal.context.external.AbstractAttributeMap.get(AbstractAttributeMap.java:73)
at org.apache.myfaces.trinidadinternal.renderkit.core.CoreRenderKit.isAjaxRequest(CoreRenderKit.java:148)
at org.apache.myfaces.trinidadinternal.renderkit.core.CoreRenderKit.isPartialRequest(CoreRenderKit.java:163)
at org.apache.myfaces.trinidadinternal.config.xmlHttp.XmlHttpConfigurator.getExternalContext(XmlHttpConfigurator.java:61)
at org.apache.myfaces.trinidadinternal.config.GlobalConfiguratorImpl.getExternalContext(GlobalConfiguratorImpl.java:351)
at org.apache.myfaces.trinidadinternal.context.FacesContextFactoryImpl$CacheRenderKit.(FacesContextFactoryImpl.java:90)
at org.apache.myfaces.trinidadinternal.context.FacesContextFactoryImpl.getFacesContext(FacesContextFactoryImpl.java:68)
at org.apache.myfaces.webapp.AbstractFacesInitializer.dispatchInitDestroyEvent(AbstractFacesInitializer.java:140)
at org.apache.myfaces.webapp.AbstractFacesInitializer.destroyFaces(AbstractFacesInitializer.java:149)
at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:3882)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4523)
at org.apache.catalina.manager.ManagerServlet.undeploy(ManagerServlet.java:1361)
at org.apache.catalina.manager.ManagerServlet.doGet(ManagerServlet.java:381)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at java.lang.Thread.run(Thread.java:619)

Users with the same issue

You are the first who have seen this exception.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.