• Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other Pie Elite all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Campbell Ritchie
  • Jeanne Boyarsky
  • Ron McLeod
  • Paul Clapham
  • Liutauras Vilda
Sheriffs:
  • paul wheaton
  • Rob Spoor
  • Devaka Cooray
Saloon Keepers:
  • Stephan van Hulst
  • Tim Holloway
  • Carey Brown
  • Frits Walraven
  • Tim Moores
Bartenders:
  • Mikalai Zaikin

Exception while configuring Struts2.1.6 with Tomcat 5.0

 
Ranch Hand
Posts: 152
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Hi,

I am new to Struts 2. While configuring Struts 2 with Tomcat 5, I received the following exception. I have searched many forums but none gave any solutions.

Here is the exception stack trace:

java.lang.NullPointerException
at com.opensymphony.xwork2.spring.SpringObjectFactory.getClassInstance(SpringObjectFactory.java:203)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.verifyResultType(XmlConfigurationProvider.java:511)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addResultTypes(XmlConfigurationProvider.java:482)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:438)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:265)
at org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:111)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:189)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:360)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:403)
at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:190)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:225)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:308)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:79)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3600)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4232)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:823)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595)
at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:276)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:832)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:680)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:430)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:961)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:347)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1091)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:789)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:478)
at org.apache.catalina.core.StandardService.start(StandardService.java:476)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2298)
at org.apache.catalina.startup.Catalina.start(Catalina.java:547)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:286)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:387)




Here is my web.xml file:


Here is struts.xml file
 
Author
Posts: 12617
IntelliJ IDE Ruby
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
What libraries are you deploying? What version of S2? Did you try with logging set to DEBUG level and setting devmode to true?
 
Sidd Kulk
Ranch Hand
Posts: 152
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
I am using Struts 2.1.6....
I have the following jars on my classpath:

commons-beanutils-1.7.0.jar
commons-collections-3.2.jar
commons-digester-1.8.jar
commons-fileupload-1.2.1.jar
commons-io-1.3.2.jar
commons-lang-2.4.jar
commons-logging-1.0.4.jar
commons-net-1.4.1.jar
commons-validator-1.3.0.jar
displaytag-1.1.jar
displaytag-export-poi-1.1.jar
freemarker-2.3.13.jar
ibatis-2.3.4.726.jar
iText-2.1.3.jar
jstl.jar
log4j-1.2.15.jar
mail-1.3.3.jar
ognl-2.6.11.jar
poi-3.0-rc4-20070503.jar
spring.jar
standard.jar
struts2-convention-plugin-2.1.6.jar
struts2-core-2.1.6.jar
struts2-spring-plugin-2.0.11.1.jar
struts2-tiles-plugin-2.1.6.jar
tiles-api-2.0.6.jar
tiles-core-2.0.6.jar
tiles-jsp-2.0.6.jar
xwork-2.1.2.jar
 
Sidd Kulk
Ranch Hand
Posts: 152
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Ok I got it. I had that jar struts2-spring-plugin-2.0.11.1.jar on classpath which was causing problem. What I did was put minimum required jars. These are the minimum required jars: commons-logging-1.1.jar, freemarker-2.3.8.jar jstl.jar, ognl-2.6.11.jar, struts2-core-2.0.6.jar, xwork-2.0.1.jar
 
David Newton
Author
Posts: 12617
IntelliJ IDE Ruby
  • Likes 1
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator

Sidd Kulk wrote:Ok I got it. I had that jar struts2-spring-plugin-2.0.11.1.jar on classpath which was causing problem. What I did was put minimum required jars. These are the minimum required jars: commons-logging-1.1.jar, freemarker-2.3.8.jar jstl.jar, ognl-2.6.11.jar, struts2-core-2.0.6.jar, xwork-2.0.1.jar


That's a pretty old version of Struts 2; I recommend against using it.
 
Greenhorn
Posts: 3
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
I working on a project from scratch using RAD7.5,struts2.1.6,spring and hibernate. I just started integrating all these and created login page. when i tried to access the loginaction i am getting the following error.

com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn Could not find action or result
No result defined for action gov.tx.hhsc.hraps.action.LoginAction and result success
at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:363).....

Here are the configurations,

My web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

<display-name>hrapsWeb</display-name>
<context-param>
<param-name>tilesDefinitions</param-name>
<param-value>/WEB-INF/tiles.xml</param-value>
</context-param>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>

<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/struts/*</url-pattern>
</filter-mapping>
<listener>
<listener-class>
org.apache.struts2.tiles.StrutsTilesListener
</listener-class>
</listener>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>

<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>

MY Struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<constant name="struts.enable.DynamicMethodInvocation" value="false" />
<constant name="struts.devMode" value="false" />
<constant name="struts.action.extension" value="action" />



<package name="gov" namespace="/hraps" extends="struts-default">
<result-types>
<result-type name="tiles" class="org.apache.struts2.views.tiles.TilesResult" />
</result-types>

<action name="login" class="hraps.LoginAction" >
<result type="tiles">tiles.login</result>
</action>
</package>
</struts>

Tiles.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE tiles-definitions PUBLIC
"-//Apache Software Foundation//DTD Tiles Configuration 2.0//EN"
"http://tiles.apache.org/dtds/tiles-config_2_0.dtd">

<tiles-definitions>
<definition name="tiles.login" template="/base/Layout.jsp">
<put-attribute name="application" value="(HRAPS)"/>
<put-attribute name="header" value="/base/Header.jsp"/>
<put-attribute name="navigation" value=""/>
<put-attribute name="body" value="/base/Login.jsp"></put-attribute>
<put-attribute name="footer" value="/base/Footer.jsp"/>
</definition>
</tiles-definitions>

Action class

public class LoginAction extends BaseAction {

/**
*
*/
private static final long serialVersionUID = 1L;

public LoginAction() {
// TODO Auto-generated constructor stub
}

public String execute() throws Exception {
System.out.println("In LoginAction execute method");
return SUCCESS;
}

}

Login.jsp

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><%@page
language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@taglib uri="/struts-tags" prefix="s"%>
<%@taglib uri="/struts-dojo-tags" prefix="sx"%>
<%@taglib uri="http://tiles.apache.org/tags-tiles" prefix="tiles"%>
<html>
<head>
<title>Login</title>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
</head>
<body>
<s:form name="frmLogin" action="login" theme="simple">
<div class="ContentRow">


</div>
<div class="ContentRow">
<div class="FieldLabel" style="width:22%">
<s:label value="Employee ID:" />
</div>
<div class="Field" style="width:38%" align="left">
<s:textfield name="user.employeeData.emplid" maxlength="25" size="25" required="true" />
</div>
</div>
<div class="ContentRow">
<div class="FieldLabel" style="width:22%">
<s:label name="password" value="Password:" />
</div>
<div class="Field" style="width:38%" align="left">
<s:password name="password" maxlength="25" size="25" required="true" />
</div>
</div>
<div class="displayButton">
<s:submit name="submit" value=" Submit " onclick="return validate();" />
<s:reset name="reset" value=" Reset " />
</div>
</s:form>
</body>
</html>

Can you please help me what is wrong in my files. I am struck here.

Thanks,
gang.
 
Consider Paul's rocket mass heater.
reply
    Bookmark Topic Watch Topic
  • New Topic