NullPointerException « Exception « JSF Q&A

1. h:selectManyCheckBox gets NullPointerException stackoverflow.com

This is a Seam application. HTML

<h:selectManyCheckbox value="#{officeCriteria.carrier}">
    <f:selectItem itemValue="ATT" itemLabel="ATT" />
    <f:selectItem itemValue="VZB" itemLabel="VZB" />
</h:selectManyCheckbox>

backing bean OfficeCriteria:

private List<String> carrier;

public List<String> getCarrier() {
 return carrier;
}

public void setCarrier(List<String> ...

2. JSF ViewHandlerWrapper causes NullPointerException stackoverflow.com

I have a little issue with a JSF ViewHandlerWrapper that I've coded. It works fine most of the times, but at times I will get a NullPointerException from the very core ...

3. Error java.lang.NullPointerException stackoverflow.com

I'am using JSF/primefaces I have an error wich is odd ,beacause I'am calling the same methode from another form and works fine but from this form generate an error!

<h:form id="f7">
  ...

4. NullPointerException from RestoreViewPhase.notifyAfter stackoverflow.com

I'm getting the following error whenever I try to view JSF pages that contain forms.

java.lang.NullPointerException
    com.sun.faces.lifecycle.RestoreViewPhase.notifyAfter(RestoreViewPhase.java:288)
    com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:110)
    com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:114)
    javax.faces.webapp.FacesServlet.service(FacesServlet.java:308)
 ...

5. I have faces the javax.faces.el.EvaluationException: java.lang.NullPointerException stackoverflow.com

I am using jsf2.0 with tomcat7 in eclipse ide.I have just do a image cropping,when i crop the image and submit the form there is a error in my code.i ...

6. JSF JAVA NullPointerException Map stackoverflow.com

Ive been trying to debug this for hours but I was unable to get why it's happening. I have an assumption that the map returned is null? not sure really. Here ...

7. NullPointerException with oc4j coderanch.com

8. HtmlInputText NullPointerException coderanch.com

9. NullPointerException in included JSF coderanch.com

I have this mapping index index.jsp loginManager_menu /loginManager/Menu.jsp My facelets are configured like this in web.xml Faces Servlet /faces/* and in index.jsp, I'm tring to include another JSP when I get the following error... HTTP Status 500 - -------------------------------------------------------------------------------- type Exception report message description The server encountered an internal error () ...

10. Getting "NullPointerException" while launching my Application. coderanch.com

Hi, I have one JSF page which uses Servlet to get details from the server. I'm getting this error when i tried to launch my page. Please help me solve this. Advancd Thanks.. 2009-01-10 14:22:06,737 ERROR[EM] (StandardWrapperValve.java:271) [[Faces Servlet]] Servlet.service() for servlet Faces Servlet threw exception java.lang.NullPointerException at org.apache.myfaces.application.jsp.JspStateManagerImpl.restoreTreeStructure(JspStateManagerImpl.java:240) at org.apache.myfaces.application.jsp.JspStateManagerImpl.restoreView(JspStateManagerImpl.java:283) at org.apache.myfaces.application.jsp.JspViewHandlerImpl.restoreView(JspViewHandlerImpl.java:255) at org.apache.myfaces.lifecycle.LifecycleImpl.restoreView(LifecycleImpl.java:141) at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:66) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:137) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) ...

11. Please Help....NullPointerException... coderanch.com

As David says, 500 lines of code is too much to look through to find a problem... at least for a person. If you remove the @SuppressWarnings("all") tag you have, the editor/IDE you are using might just point out the problem for you. Personally, I believe suppressing all warnings to be a risky behavior. If there are some specific warnings you ...

12. NullPointerException in selectManyCheckbox coderanch.com

13. Strange NullPointerException coderanch.com

I am facing a very strange problem. Here is the steps that result in a NullPointerException. I am using Glassfish v3 (JSF Mojarra 2.0.2). Load page1 giving the url in browser. Press any button in page 1. Takes the user to page 2. Process page 2 by pressing button. After processing is over press back button (type=submit) in page 2 to ...

14. NullPointerException for JSF application in JBoss 5.0 coderanch.com

Hi, I'm trying to migrate a JSF application from JBoss 4.3 to JBoss 5.0 and deployment was successful. But, when I try to access the web page, I'm getting the below error. 10:10:16,515 SEVERE [viewhandler] Error Rendering View[/application/pages/welcome.xhtml] java.lang.NullPointerException at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49) at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25) at com.sun.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:95) at com.sun.facelets.FaceletViewHandler.buildView(FaceletViewHandler.java:524) at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:567) at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) ...

15. NullPointerException in AutoScrollPhaseListener coderanch.com

hi sir i have problem SEVERE: Exception in PhaseListener RESTORE_VIEW 1 afterPhase java.lang.NullPointerException when i try to give and file path for example my jsp file is MyJsp.jsp when i execute it by http://localhsot:8080/main/MyJsp.jsf exceptio accures SEVERE: Exception in PhaseListener RESTORE_VIEW 1 afterPhase java.lang.NullPointerException at org.apache.myfaces.renderkit.html.util.AutoScrollPhaseListener.afterPhase(AutoScrollPhaseListener.java:52) at org.apache.myfaces.lifecycle.PhaseListenerManager.informPhaseListenersAfter(PhaseListenerManager.java:92) at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:99) at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:70) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:307) at ...

16. NullPointerException at SeamViewHandler.calculateLocale coderanch.com

I have been trying to read a database in my JSF webapp. I am using the code given from BalusC Code blog: http://balusc.blogspot.com/2008/07/dao-tutorial-data-layer.html http://balusc.blogspot.com/2008/07/dao-tutorial-use-in-jsf.html However when I set up everything and I launch it on Tomcat 6 I got this error (full stractrace): SEVERE: uncaught exception java.lang.NullPointerException at org.jboss.seam.Component.getInstance(Component.java:1859) at org.jboss.seam.Component.getInstance(Component.java:1852) at org.jboss.seam.Component.getInstance(Component.java:1829) at org.jboss.seam.web.Session.getInstance(Session.java:122) at org.jboss.seam.contexts.FacesLifecycle.beginRequest(FacesLifecycle.java:54) at org.jboss.seam.jsf.SeamPhaseListener.beforeRestoreView(SeamPhaseListener.java:366) at org.jboss.seam.jsf.SeamPhaseListener.beforeServletPhase(SeamPhaseListener.java:137) ...