Struts2 Dependency Injection Boolean-type property times wrong

A sign in the Java entity that the judge is male: Isboy

Package Com.jn.bean;

public class Loginuser {
	private int: age;
	Private String username;
	private String password;
	/***
	 * is male *
	 /
	private Boolean isboy;

	Public Loginuser () {
		super ();
	}

	public int getage () {
		return age;
	}

	public void Setage (int.) {
		this.age = age;
	}

	Public String GetUserName () {
		return username;
	}

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

	Public String GetPassword () {
		return password;
	}

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

	public Boolean Isboy () {
		return isboy;
	}

	public void Setboy (Boolean isboy) {
		this.isboy = Isboy;
	}

}

The Getter,setter method is automatically generated using Eclipse.

The corresponding action is:

Package com.jn.action;

Import Com.jn.bean.LoginUser;
Import Com.opensymphony.xwork2.ActionSupport;

public class Loginverifyaction extends Actionsupport {
	private static final long Serialversionuid = 5532496750392156 543L;
	Private Loginuser user;

	@Override public
	String execute () throws Exception {
		System.out.println ("User information:");
		System.out.println ("Username:" +user.getusername ());
		System.out.println ("Password:" +user.getpassword ());
		System.out.println ("Age:" +user.getage ());
		System.out.println ("Isboy:" +user.isboy ());
		return Super.execute ();
	}
	
	Public Loginuser GetUser () {
		return user;
	}

	public void SetUser (Loginuser user) {
		this.user = user;
	}
	
}

Error:

Warning: Error setting expression ' User.isboy ' with value ' [ljava.lang.string;@863941 '  
ognl. NoSuchPropertyException:com.jn.bean.LoginUser.isBoy [Java.lang.IllegalAccessException:Class Ognl. Ognlruntime can not access a member of class Com.jn.bean.LoginUser with modifiers "private") at  
    Ognl. Ognlruntime.setfieldvalue (ognlruntime.java:1682) at  
    Ognl. Objectpropertyaccessor.setpossibleproperty (objectpropertyaccessor.java:87) at  
    Ognl. Objectpropertyaccessor.setproperty (objectpropertyaccessor.java:162) at  
    Com.opensymphony.xwork2.ognl.accessor.ObjectAccessor.setProperty (objectaccessor.java:27) at  
    Ognl. Ognlruntime.setproperty (ognlruntime.java:2315) at  
    Ognl. Astproperty.setvaluebody (astproperty.java:127) at  
    Ognl. Simplenode.evaluatesetvaluebody (simplenode.java:220)  

The error message indicates that STRUTS2 did not find the setter method for Isboy because Struts2 thought Isboy setter method name should be Setisboy

Why is there a problem when setting Isboy? Because according to Struts2 's dependency injection rules, the setter method should be a set+ member variable (the first letter becomes uppercase).

I changed the Isboy setter method from Setboy to Setisboy, just fine.

public void Setisboy (Boolean isboy) {
		this.isboy = Isboy;
	}

Summary : This problem occurs if the attribute to be dependent on injection is a Boolean type and the property name begins with is.

Workaround :

If you use struts2 dependency Injection, the Boolean property name does not start with IS. I modified the method to change the property name from Isboy to boy:

Package Com.jn.bean;

public class Loginuser {
	private int: age;
	Private String username;
	private String password;
	/***
	 * is a male */
	private Boolean boy;

	Public Loginuser () {
		super ();
	}

	public int getage () {
		return age;
	}

	public void Setage (int.) {
		this.age = age;
	}

	Public String GetUserName () {
		return username;
	}

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

	Public String GetPassword () {
		return password;
	}

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

	public Boolean Isboy () {
		return boy;
	}

	public void Setboy (Boolean boy) {
		this.boy = boy;
	}

}

The login page to change the User.isboy to User.boy just fine.

Code Download Address

Reprint Address: http://hw1287789687.iteye.com/blog/1949399