Servlet action is not available

[Lalit Nagalkar]

Hi all,

I m not getting why my Tomcat 6 servlet container is unable to find the ActionServlet.
I have made entry for this servlet in web.xml and done mapping also
WEB-INF\lib is having the "struts-core-1.3.10.jar" file. I am not using other struts modules/ features like jsp tags, validation, tiles etc.

I have checked my code and file structure with that available in book "Struts Complete Reference". Code downloaded runs fines.
For my code the container is not getting ActionServlet itself.

web.xml listing

 

<servlet>
    <servlet-name>action</servlet-name>
    <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
    <init-param>
      <param-name>config</param-name>
      <param-value>/WEB-INF/struts-config.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
 </servlet>

  <!-- Standard Action Servlet Mapping -->
  <servlet-mapping>
    <servlet-name>action</servlet-name>
    <url-pattern>*.do</url-pattern>
  </servlet-mapping>

Thank you all.

[Ankit Garg]

I m not getting why my Tomcat 6 servlet container is unable to find the ActionServlet.

Exact what is the error saying?? Please post the stack trace of the error that you get here...

[Lalit Nagalkar]

As such there is no stack trace in tomcat window. The browser shows 404 error:
----------------------------------------------------------
HTTP Status 404 - Servlet action is not available

type Status report

message Servlet action is not available

description The requested resource (Servlet action is not available) is not available.

Apache Tomcat/6.0.20
---------------------------------------------------------

[David Newton]

Please turn up the logging level to DEBUG and check the log immediately after startup.

[Lalit Nagalkar]

David Newton wrote:Please turn up the logging level to DEBUG and check the log immediately after startup.

How can i do that??
I have never used logging system

[Ankit Garg]

Read this to get more information about how to set logging level...

[Lalit Nagalkar]

I checked Tomcat logs; binutils and digester libraries were required. So copied them to my application's WEB-INF\lib directory
action servlet is getting accessed now,
but now following exception is being thrown

From tomcat logs:
-------------------------------------------------
Nov 17, 2009 4:21:40 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet action threw exception
org.apache.struts.chain.commands.InvalidPathException: No action config found for the specified url.
-------------------------------------------------

struts-config.xml and web.xml files are properly set for the requested URL. Not getting why is this happening.
I have worked with struts some 9 months back, but didn't get such issues.

[Lalit Nagalkar]

HI all
Thanks for the help

There was an error of '/' in <action> element's path property.

Now no exception is being thrown, but after processing action i m not getting the forward page.
I am seeing only a blank screen.
Nothing found in tomcat logs.
Also System.out.println() is not printing anything on tomcat console window.
These SOP's not printed in logs too.

[Ankit Garg]

You'll have to show us your configuration files and/or your code for the action. Without that we can't predict what the problem is...

[Lalit Nagalkar]

I used instructions available on tomcat site for enabling logging and copied new tomcat-juli.jar file. Now tomcat itself is not starting at all. log files of 10MBs are generated (as is mentioned on website). Hence i m using old tomcat-juli.jar file only.

I am not able to see my System.out.println() calls anywhere in the logs.

Ankit Garg wrote:You'll have to show us your configuration files and/or your code for the action. Without that we can't predict what the problem is...

This is simples registration form with 1 userID and two Password fields. No database connections are made.
I am not including success.html and failure.html; these are simplest html files showing success or failure depending upon whether user entered both passwords same or not respectively.

A part of tomcat.log file is also attached generated by log4j.

Here others are.

web.xml

    
<?xml version="1.0" encoding="ISO-8859-1"?>
  <!DOCTYPE web-app PUBLIC
	"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
	"http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
  <display-name>Struts Login Application</display-name>  
  <!-- Standard Action Servlet Configuration -->
  <servlet>
    <servlet-name>action</servlet-name>
    <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
    <init-param>
      <param-name>config</param-name>
      <param-value>/WEB-INF/struts-config.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
 </servlet>
  <!-- Standard Action Servlet Mapping -->
  <servlet-mapping>
    <servlet-name>action</servlet-name>
    <url-pattern>*.do</url-pattern>
  </servlet-mapping>
  <!-- The Usual Welcome File List -->
  <welcome-file-list>
    <welcome-file>/register.jsp</welcome-file>
  </welcome-file-list>
</web-app>

struts-config.xml

<?xml version="1.0"?>

<!DOCTYPE struts-config PUBLIC
  "-//Apache Software Foundation//DTD Struts Configuration 1.3//EN"
  "http://struts.apache.org/dtds/struts-config_1_3.dtd">
<struts-config>
	<form-beans>
		<form-bean name="registerForm" type="app.RegisterForm"/>
	</form-beans>
	<action-mappings>
		<action path="/register"
				type="app.RegisterAction"
				name="registerForm"
				scope="request"
				input="/register.jsp">
			<forward name="success" path="/success.html"/>
			<forward name="failure" path="/failure.html"/>
		</action>
	</action-mappings>
</struts-config>

register.jsp

<form action="register.do" method="post">
<table>
<tr><td>UserName:</td><td><input type="text" name="username"></td></tr>
<tr><td>Password:</td><td><input type="password" name="password1"></td></tr>
<tr><td>Confirm password:</td><td><input type="password" name="password2"></td></tr>
<tr><td colspan=2><input type="submit"></td></tr>
</table>
</form>

RegisterForm.java

package app;
import org.apache.struts.action.*;
public class RegisterForm extends ActionForm {
	protected String username;
	protected String password1;
	protected String password2;
	public String getUsername () {return this.username;};
	public String getPassword1() {return this.password1;};
	public String getPassword2() {return this.password2;};
	public void setUsername (String username) {this.username = username;};
	public void setPassword1(String password) {this.password1 = password;};
	public void setPassword2(String password) {this.password2 = password;};
}

RegisterAction.java

package app;
import org.apache.struts.action.*;
import javax.servlet.http.*;
import java.io.*;
public class RegisterAction extends Action {
	public ActionForward perform (ActionMapping mapping,
								  ActionForm form,
								  HttpServletRequest req,
								  HttpServletResponse res) 
	{
		// b Cast the form to the RegisterForm
		RegisterForm rf = (RegisterForm) form;
		String username = rf.getUsername();
		String password1 = rf.getPassword1();
		String password2 = rf.getPassword2();
		// c Apply business logic
		if (password1.equals(password2)) {
			//try {	// d Return ActionForward for success
				//UserDirectory.getInstance().setUser(username,password1);
ActionForward s= mapping.findForward("success");
System.out.println("Success: "+s.getPath());
				return s;
			/*} catch (UserDirectoryException e) {
			return mapping.findForward("failure");
			}*/
		}
	// E Return ActionForward for failure
ActionForward f= mapping.findForward("failure");
System.out.println("Failure: "+f.getPath());
		return f;
	}
}

Tomcat log related to my HTTP request

DEBUG http-8086-2 org.apache.struts.util.ModuleUtils - Get module name for path /register.do
 DEBUG http-8086-2 org.apache.struts.util.ModuleUtils - Module name found: default
 DEBUG http-8086-2 org.apache.struts.chain.ComposableRequestProcessor - Using processing chain for this request
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.ExceptionCatcher
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.servlet.SelectLocale
 DEBUG http-8086-2 org.apache.struts.chain.commands.AbstractSelectLocale - retrieve config...
 DEBUG http-8086-2 org.apache.struts.chain.commands.AbstractSelectLocale - set context locale to en_US
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.servlet.SetOriginalURI
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.servlet.RequestNoCache
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.servlet.SetContentType
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.RemoveCachedMessages
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.servlet.SelectAction
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.servlet.AuthorizeAction
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.CreateActionForm
 DEBUG http-8086-2 org.apache.struts.chain.commands.CreateActionForm - Look up form-bean registerForm
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.servlet.PopulateActionForm
 DEBUG http-8086-2 org.apache.commons.beanutils.BeanUtils - BeanUtils.populate(app.RegisterForm@1531164, {username=[Ljava.lang.String;@9abce9, password1=[Ljava.lang.String;@e8a0cd, password2=[Ljava.lang.String;@95215b})
 DEBUG http-8086-2 org.apache.commons.beanutils.BeanUtils -   setProperty(app.RegisterForm@1531164, username, [kkk])
 DEBUG http-8086-2 org.apache.commons.beanutils.BeanUtils -     Target bean = app.RegisterForm@1531164
 DEBUG http-8086-2 org.apache.commons.beanutils.BeanUtils -     Target name = username
 DEBUG http-8086-2 org.apache.commons.beanutils.ConvertUtils - Convert string 'kkk' to class 'java.lang.String'
 DEBUG http-8086-2 org.apache.commons.beanutils.ConvertUtils -   Using converter ConverterFacade[StringConverter[UseDefault=true]]
 DEBUG http-8086-2 org.apache.commons.beanutils.converters.StringConverter - Converting 'String' value 'kkk' to type 'String'
 DEBUG http-8086-2 org.apache.commons.beanutils.PropertyUtils - setSimpleProperty: Invoking method public void app.RegisterForm.setUsername(java.lang.String) with value kkk (class java.lang.String)
 DEBUG http-8086-2 org.apache.commons.beanutils.BeanUtils -   setProperty(app.RegisterForm@1531164, password1, [kkk])
 DEBUG http-8086-2 org.apache.commons.beanutils.BeanUtils -     Target bean = app.RegisterForm@1531164
 DEBUG http-8086-2 org.apache.commons.beanutils.BeanUtils -     Target name = password1
 DEBUG http-8086-2 org.apache.commons.beanutils.ConvertUtils - Convert string 'kkk' to class 'java.lang.String'
 DEBUG http-8086-2 org.apache.commons.beanutils.ConvertUtils -   Using converter ConverterFacade[StringConverter[UseDefault=true]]
 DEBUG http-8086-2 org.apache.commons.beanutils.converters.StringConverter - Converting 'String' value 'kkk' to type 'String'
 DEBUG http-8086-2 org.apache.commons.beanutils.PropertyUtils - setSimpleProperty: Invoking method public void app.RegisterForm.setPassword1(java.lang.String) with value kkk (class java.lang.String)
 DEBUG http-8086-2 org.apache.commons.beanutils.BeanUtils -   setProperty(app.RegisterForm@1531164, password2, [kkk])
 DEBUG http-8086-2 org.apache.commons.beanutils.BeanUtils -     Target bean = app.RegisterForm@1531164
 DEBUG http-8086-2 org.apache.commons.beanutils.BeanUtils -     Target name = password2
 DEBUG http-8086-2 org.apache.commons.beanutils.ConvertUtils - Convert string 'kkk' to class 'java.lang.String'
 DEBUG http-8086-2 org.apache.commons.beanutils.ConvertUtils -   Using converter ConverterFacade[StringConverter[UseDefault=true]]
 DEBUG http-8086-2 org.apache.commons.beanutils.converters.StringConverter - Converting 'String' value 'kkk' to type 'String'
 DEBUG http-8086-2 org.apache.commons.beanutils.PropertyUtils - setSimpleProperty: Invoking method public void app.RegisterForm.setPassword2(java.lang.String) with value kkk (class java.lang.String)
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.servlet.ValidateActionForm
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.servlet.SelectInput
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.ExecuteCommand
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.servlet.SelectForward
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.SelectInclude
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.servlet.PerformInclude
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.servlet.CreateAction
 DEBUG http-8086-2 org.apache.struts.chain.commands.AbstractCreateAction - setting action to app.RegisterAction@1664a9b
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.servlet.ExecuteAction
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.ExecuteForwardCommand
 DEBUG http-8086-2 org.apache.struts.chain.commands.ActionCommandBase - Executing org.apache.struts.chain.commands.servlet.PerformForward 

[Lalit Nagalkar]

Hiii all

I am getting frustrated for not able to solve this simple problem
Logs also don't say at all, SOP's not working too
Please someone help me out