error cannot access class com.opensymphony.xwork2.ActionContext, wrong version

[gurpreet.singh]

Error(1,32): cannot access class com.opensymphony.xwork2.ActionContext; class file has wrong version 49.0, should be 45.3 or 46.0 or 47.0 or 48.0

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import java.util.Map;

public class loginAction extends ActionSupport 
{
private String userId;
  private String password;
  public String execute() throws Exception{

    if ("admin".equals(userId) && "admin".equals(password)) {
      Map session = ActionContext.getContext().getSession();
      session.put("logged-in","true");
            return SUCCESS;
        }
    else{
       return ERROR;
    }
    }

    public String logout() throws Exception {

    Map session = ActionContext.getContext().getSession();
    session.remove("logged-in");
        return SUCCESS;
    }

    public String getPassword() {
        return password;
    }

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

    public String getUserId() {
        return userId;
    }

    public void setUserId(String userId) {
        this.userId = userId;
    }
}

[Tolls]

You have a version of opensymphony that was compiled with a later version of the JDK than the one you are using.

ETA: Sorry, meant JRE...which could still be your JDK.
48 is 1.4 (so you're waaay old).
49 is 1.5.

[gurpreet.singh]

thank you sir..which version should i use.any download link if you can provide for that version, I have downloaded 2-3 more versions for that jar file but same error when i add them to library
thank you

[Tolls]

No idea.
My suggestion would be to upgrade your Java.
I wouldn't be surprised if open symphony didn't bother supporting pre 1.5 anymore.

[gurpreet.singh]

I m having latest version of java ,i am using jdeveloper 10 G

[Tolls]

class file has wrong version 49.0, should be 45.3 or 46.0 or 47.0 or 48.0
49.0 is 1.5.
48.0 is 1.4.

You are running this under a 1.4 JRE.