S2: ParametersInterceptor setParameters error

[Annie_Wang]

Hi,

I'm trying to write a very simple web app to do login using Struts2 and
tiles.  But when I submit the login form, I get the following errors:

ERROR 14:22.42 [http-8080-2] ParametersInterceptor - ParametersInterceptor
- [setParameters]: Unexpected Exception catched: Error setting expression
'password' with value '[Ljava.lang.String;@d642fd'
ERROR 14:22.42 [http-8080-2] ParametersInterceptor - ParametersInterceptor
- [setParameters]: Unexpected Exception catched: Error setting expression
'username' with value '[Ljava.lang.String;@c7f38c'

Here's my configuration and action code:

-----------------------------------------------------------------
web.xml -

<?xml version="1.0" encoding="ISO-8859-1"?>

<web-app xmlns="http://java.sun.com/xml/ns/j2ee";
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_5.xsd";
    version="2.5">

  <display-name>Sample application</display-name>

    <context-param>
        <param-name>org.apache.tiles.CONTAINER_FACTORY</param-name>

<param-value>org.apache.struts2.tiles.StrutsTilesContainerFactory</param-value>
    </context-param>

  <filter>
      <filter-name>struts2</filter-name>

<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
  </filter>

  <filter-mapping>
      <filter-name>struts2</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

  <listener>
      <listener-class>
            org.springframework.web.context.ContextLoaderListener
      </listener-class>
  </listener>

  <listener>

<listener-class>org.apache.struts2.tiles.StrutsTilesListener</listener-class>
  </listener>

  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
  </welcome-file-list>

</web-app>

---------------------------------------------------------------------------
applicationContext.xml -

<!DOCTYPE beans PUBLIC
        "-//SPRING//DTD BEAN//EN"
        "http://www.springframework.org/dtd/spring-beans.dtd";>

<beans>
</beans>

---------------------------------------------------------------------------
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>

    <include file="struts-default.xml"/>
    <include file="struts-tiles.xml" />

    <!-- Add packages here -->
    <package name="login" extends="struts-default">

        <!-- Add your actions here -->

        <action name="login*" method="{1}" class="sample.Login">
            <result name="input">/pages/login-body.jsp</result>
            <result type="redirect-action">/pages/welcome.jsp</result>
        </action>

    </package>

</struts>

---------------------------------------------------------------------------
struts-tiles.xml -

<!DOCTYPE struts PUBLIC
        "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
        "http://struts.apache.org/dtds/struts-2.0.dtd";>

<struts>
    <package name="tiles" extends="tiles-default" namespace="/layout">
        <default-action-ref name="index"/>

        <action name="index">
            <result type="tiles">login.index</result>
            <result name="success" type="tiles">login.index</result>
        </action>

        <action name="sanity">
            <result type="redirect">/layout/common-layout.jsp</result>
            <result type="redirect"
name="success">/layout/common-layout.jsp</result>
        </action>
    </package>
</struts>

---------------------------------------------------------------------------
struts.properties -

struts.custom.i18n.resources = globalMessages
struts.enable.DynamicMethodInvocation = true
struts.devMode = true
struts.i18n.reload=false
struts.configuration.xml.reload=false
struts.dispatcher.parametersWorkaround = false

---------------------------------------------------------------------------
Login.java -

package sample;
import com.opensymphony.xwork2.ActionSupport;


public class Login extends ActionSupport {

    private static final long serialVersionUID = 3274944238727965478L;

    private String username;
    private String password;

    public Login() {
      System.out.println("DEBUGGING - Login constructor...");
    }

    public String execute() throws Exception {

        if (isInvalid(credential.getUsername()) ||
                isInvalid(credential.getPassword())) {
            return INPUT;
        }

        return SUCCESS;
    }

    private boolean isInvalid(String value) {
        return ((value == null) || (value.length() == 0));
    }

      public String getPassword() {
            return password;
      }

      public void setPassword(String password) {
            this.password = password;
      }

      public String getUsername() {
            return username;
      }

      public void setUsername(String username) {
            this.username = username;
      }
}

---------------------------------------------------------------------------
login-body.jsp

<%@ page contentType="text/html; charset=UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
    <title>Sign On</title>
</head>

<div class="content_body">
<body>
<s:form action="login">
    <s:textfield label="Username" name="username"/>
    <s:password label="Password" name="password" />
    <s:submit/>
</s:form>
</body>
</div>
</html>

---------------------------------------------------------------------------

I have searched thru the entire struts-user forum for similar problem but
with no luck.
Any Idea what I did wrong and how to fix it.  I am using Struts 2.0.6

Thanks in advance.

Regards,
Annie


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