What Is The Error When Creating The Form Bean Of The Org.apache.struts.action.actionform Class And How To Fix It?

November 1, 2021 By Mohammed Butcher Off

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Hopefully this article will help you in case of an error while creating the form bean of the org.apache.struts.action.actionform class.

posted 15 years ago

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Hello Take:,
I am new to STRUTS and am trying to find an example from the “StrutsSurvival Guide” PDF of the Srikanth Shenoy PDF. When I run the example, I get the following error message on this internet browser. …

<< javax.servlet.ServletException: An exception occurred while creating the java.mybank.app1.CustomerForm bean class: 1 >>

and those in the Eclipse console see a similar error with an extra line in a null tip exception

<< SERIOUS: An error occurred while creating the form bean of the class java.mybank.app1.CustomerForm
java.lang. >>

nullpointerException type = “java.mybank.app1.CustomerForm” />

name = “mainpage”
path = “index.jsp” />

type = “java.mybank.app1.CustomerAction”>

processorClass = “org.apache.struts.action.RequestProcessor” />

Page <% @ contentType = "text / html; charset = UTF-8" language = "java"%>
<% @ taglib uri = "/ WEB-INF / struts-html.tld" prefix= "html"%>
<% @ taglib uri = "/ WEB-INF / struts-bean.tld" prefix = "bean"%>

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:
Property = “firstName”

: < br>

< br>

private string firstName;
private channel lastName;
public string getFirstName ()
return firstName;

community void setFirstName (String firstName)
this.firstName matches firstName;

public String getLastName ()
come lastName;

void user setLastName (String lastName)
this.lastName = lastName;

Can anyone know what I am doing and why this error occurs?

I am new to STRUTS and am trying to find a simple example. When I run the example, I get the following error in the partner browser ..

  << javax.servlet.ServletException: javax.servlet.jsp.Exception jspException: Create bean with class com.example.LoginForm >>

and in the Eclipse console a similar error is indicated by an additional inline exception for null clausesniy

  << SERIOUS: Error creating form bean associated with com.example.LoginForm classjava.lang.NullPointerException >>

      < / to> < transfer name = "error"     path = "/ login.jsp">

  <% @ taglib prefix = "bean" uri = "/ WEB-INF / struts-bean.tld"%>% @             
    Key = "login

  package com.example;import org.apache.struts.action.ActionForm;Public class LoginForm extends ActionForm         private channel username;    special channel password;    many LoginForm ()            public string getUsername ()        login came;        avoid the public setUsername (string username)        this.username is the same as the username;        public string getPassword ()        password return;        public space setPassword (string password)        this is. = password password;

  package com.example;import javax.servlet.http.HttpServletRequest; javaximport.servlet.http.HttpServletResponse;import org.apache.struts.action.Action;import org.apache.struts.action.ActionForm;import org.apache.struts.action.ActionForward;import org.apache.struts.action.ActionMapping;Public class LoginAction extends action         @ Crush    public execution of ActionForward (ActionMapping-Mapping, ActionForm-Form,            Search for HttpServletRequest, response HttpServletResponse)            there is one exception               LoginForm Login corresponds to the form (LoginForm);        Stringname = login.getUsername ();         The line snippet is equal to login.getPassword ();         if (name.equals ("hello") && pass.equals ("hello"))            Assignment of income.findForward ("Success");        Besides            return with Mapping.findForward ("Failed");

  title = Welcomelogin.username = usernamelogin.password = passwordlogin.submit = Submit

  org.apache.struts.util.CreateActionForm requestutilsSERIOUS: error while creating form bean in com.example.LoginForm classjava.lang.NullPointerException===========================================================================    at org.apache.struts.config.FormBeanConfig.createActionForm (FormBeanConfig.java:289)   Under org.apache.struts.util.RequestUtils.createActionForm (RequestUtils.java:259)    at org.apache.struts.util.RequestUtils.createActionForm (RequestUtils.java:213)    found at org.apache.struts.taglib.html.FormTag.initFormBean (FormTag.java: 526)   in org.apache.struts.taglib.html.FormTag.doStartTag (FormTag.java: 503)   in org.apache.jsp.login_jsp._jspx_meth_html_005fform_005f0 (login_jsp.java: 122)   at org.apache.jsp.login_jsp._jspService (login_jsp.java:79)    Internet at.apache.jasper.runtime.HttpJspBase.service (HttpJspBase.java:70)   Under javax.servlet.http.HttpServlet.service (HttpServlet.java:717)   Under org.apache.jasper.servlet.JspServletWrapper.service (JspServletWrapper.java:374)   Under org.apache.jasper.servlet.JspServlet.serviceJspFile (JspServlet.java:342)    org at.apache.jasper.servlet.JspServlet.service (JspServlet.java: 267)   at javax.servlet.http.HttpServlet.service (HttpServlet.java:717)   Under org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java: 290)   at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:206)    Website: apache.catalina.core.StandardWrapperValve.invoke (StandardWrapperValve.java:233)    at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:191)    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)   Under org.apache.catalina.connector.CoyoteAdapter.service (CoyoteAdapter.java:293)   In org.apache.coyote.http11.Http11Processor.process (Http11Processor.java:849)    at org.apache.coyote.http11.Http11Protocol $ Http11ConnectionHandler.process (Http11Protocol.java: 583)   at org.apache.tomcat.util.net.JIoEndpoint $ Worker.run (JIoEndpoint.java:454)    at java.lang.Thread.run (Unknown 23, source)June 2009 12:56:47 org.apache.struts.util.LoadLocaleWARNING: propertymessageresources org / apache / struts / taglib / html / LocalStrings_en_US.properties was not found.06/23/2012 12:56:47 PM org.apache.struts.util.PropertyMessageResources loadLocaleATTENTION! The resource org / apache / struts / taglib / html / LocalStrings_en.properties was not found.Jun 23 '11: 56: 47 call to org.apache.catalina.core.StandardWrapperValveHEAVY: Servlet.service () Servlet JSP exceptions have 
 
. heading offjavax.servlet.jsp.Exception jspException: Accessing the bean of the com.example.LoginForm class directly under the form name loginRequest    with org.apache.struts.taglib.html.FormTag.initFormBean (FormTag.java: 536)   via org.apache.struts.taglib.html.FormTag.doStartTag (FormTag.java: 503)   with org.apache.jsp.login_jsp._jspx_meth_html_005fform_005f0 (login_jsp. java: 122)   at org.apache.jsp.login_jsp._jspService (login_jsp.java:79)    org at.apache.jasper.runtime.HttpJspBase.service (HttpJspBase.java:70)   Under javax.servlet.http.HttpServlet.service (HttpServlet.java:717)   Under org.apache.jasper.servlet.JspServletWrapper.service (JspServletWrapper.java:374)   Under org.apache.jasper.servlet.JspServlet.serviceJspFile (JspServlet.java:342)    online at.apache.jasper.servlet.JspServlet.service (JspServlet.java: 267)   at javax.servlet.http.HttpServlet.service (HttpServlet.java:717)   Under org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java: 290)   at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:206)    Internet at.apache.catalina.core.StandardWrapperValve.invoke (StandardWrapperValve.java:233)    found at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:191)    here under 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)   Under org.apache.catalina.connector.CoyoteAdapter.service (CoyoteAdapter.java:293)   In org.apache.coyote.http11.Http11Processor.process (Http11Processor.java:849)    next to org.apache.coyote.http11.Http11Protocol $ Http11ConnectionHandler.process (Http11Protocol.java: 583)   only under org.apache.tomcat.util.net.JIoEndpoint $ Worker.run (JIoEndpoint.java:454)    at java.lang.Thread.run (source unknown)

Can anyone know what I am doing wrong and why this particular error occurs?

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