解决Jetty JSF2错误：java.lang.IllegalStateException: Singleton is not set

解决Jetty JSF2错误：java.lang.IllegalStateException: Singleton is not set 

 

添加如下配置到web.xml里即可解决，祝你成功！！

<listener>
    <listener-class>org.jboss.weld.environment.servlet.Listener</listener-class>
  </listener>
  <listener>
    <listener-class>com.sun.faces.config.ConfigureListener</listener-class>
  </listener>

 

java.lang.IllegalStateException: Singleton is not set
	at org.jboss.weld.bootstrap.api.helpers.IsolatedStaticSingletonProvider$IsolatedStaticSingleton.get(IsolatedStaticSingletonProvider.java:52)
	at org.jboss.weld.Container.instance(Container.java:54)
	at org.jboss.weld.jsf.WeldPhaseListener.instance(WeldPhaseListener.java:161)
	at org.jboss.weld.jsf.WeldPhaseListener.activateConversations(WeldPhaseListener.java:98)
	at org.jboss.weld.jsf.WeldPhaseListener.beforePhase(WeldPhaseListener.java:85)
	at com.sun.faces.lifecycle.Phase.handleBeforePhase(Phase.java:228)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:99)
	at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:116)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:643)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:465)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:542)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1067)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:389)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:192)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1001)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:271)
	at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:98)
	at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:785)
	at org.apache.jsp.index_jsp._jspService(index_jsp.java from :45)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:403)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:492)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:378)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:643)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:465)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:499)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1067)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:389)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:192)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1001)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:271)
	at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:98)
	at org.eclipse.jetty.servlet.DefaultServlet.doGet(DefaultServlet.java:560)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:735)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:643)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:465)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:499)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1067)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:389)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:192)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1001)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:250)
	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:111)
	at org.eclipse.jetty.server.Server.handle(Server.java:360)
	at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:454)
	at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:890)
	at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:944)
	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:630)
	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:230)
	at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:77)
	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:622)
	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:46)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:603)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:538)
	at java.lang.Thread.run(Thread.java:662)