javax.faces.FacesException: #{blogController.makeSamples()}: javax.el.PropertyNotFoundException: /index.xhtml @16,106 action="#{blogController.makeSamples()}": Target Unreachable, identifier 'blogController' resolved to null

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Root Cause Analysis

  1. javax.el.PropertyNotFoundException

    /index.xhtml @16,106 action="#{blogController.makeSamples()}": Target Unreachable, identifier 'blogController' resolved to null

    at com.sun.faces.facelets.el.TagMethodExpression.invoke()
  2. JSF
    TagMethodExpression.invoke
    1. com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:107)
    1 frame
  3. JavaEE 7
    MethodBindingMethodExpressionAdapter.invoke
    1. javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:87)
    1 frame
  4. JSF
    ActionListenerImpl.processAction
    1. com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
    1 frame
  5. JavaEE 7
    UIViewRoot.processApplication
    1. javax.faces.component.UICommand.broadcast(UICommand.java:315)
    2. javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:790)
    3. javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1282)
    3 frames
  6. JSF
    LifecycleImpl.execute
    1. com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
    2. com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
    3. com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
    3 frames
  7. JavaEE 7
    FacesServlet.service
    1. javax.faces.webapp.FacesServlet.service(FacesServlet.java:646)
    1 frame
  8. Glassfish Core
    StandardPipeline.invoke
    1. org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
    2. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)
    3. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
    4. org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
    5. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
    5 frames
  9. Glassfish
    WebPipeline.invoke
    1. com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
    1 frame
  10. Glassfish Core
    CoyoteAdapter.service
    1. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
    2. org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:357)
    3. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:260)
    3 frames
  11. Kernel Classes
    ContainerMapper.service
    1. com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:188)
    1 frame
  12. Grizzly Server
    HttpServerFilter.handleRead
    1. org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
    2. org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
    3. org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
    3 frames
  13. Grizzly
    AbstractThreadPool$Worker.run
    1. org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
    2. org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
    3. org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
    4. org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
    5. org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
    6. org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
    7. org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
    8. org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
    9. org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
    10. org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
    11. org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
    12. org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
    13. org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
    13 frames
  14. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:724)
    1 frame