我如何解决此错误线程“ main”中的异常java.lang.NoClassDefFoundError：javax / crypto / SecretKey

Question

How do I solve this error Exception in thread "main" java.lang.NoClassDefFoundError: javax/crypto/SecretKey

import com.gargoylesoftware.htmlunit.WebClient;
import com.gargoylesoftware.htmlunit.html.HtmlForm;
import com.gargoylesoftware.htmlunit.html.HtmlPage;
import com.gargoylesoftware.htmlunit.html.HtmlSubmitInput;
import com.gargoylesoftware.htmlunit.html.HtmlTextInput;
import com.gargoylesoftware.htmlunit.BrowserVersion;
import com.gargoylesoftware.htmlunit.Page;
import com.gargoylesoftware.htmlunit.RefreshHandler;
import java.io.IOException;
import java.net.URL;

public class veriçekmek {

    public static void main(String[] args) throws Exception {

        WebClient web=new WebClient();
        HtmlPage sayfa=web.getPage("http://www.idefix.com");

When I run this program I get an error like this

 Exception in thread "main" java.lang.NoClassDefFoundError: javax/crypto/SecretKey

Answer 1

javax.crypto package is included in jce.jar , which can be found under the "lib" folder of your JRE. Add it to your classpath, and you should be fine.

For more information about classpath, see: http://docs.oracle.com/javase/7/docs/technotes/tools/windows/classpath.html