Error with NoClassDefFoundError

toms1981

Anyone know how to solve this error:

exception

javax.servlet.ServletException: Invoker service() exception
        org.apache.catalina.servlets.InvokerServlet.serveRequest(InvokerServlet.java:477)
        org.apache.catalina.servlets.InvokerServlet.doPost(InvokerServlet.java:169)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root cause

java.lang.NoClassDefFoundError
        javax.crypto.Cipher.a(DashoA6275)
        javax.crypto.Cipher.getInstance(DashoA6275)
        com.eprotea.security.crypto.CryptoBean.initCipherObject(CryptoBean.java:132)
        com.eprotea.security.crypto.CryptoBean.init(CryptoBean.java:123)
        com.eprotea.security.crypto.CryptoBean.init(CryptoBean.java:111)
        com.eprotea.security.crypto.Encryptor.<init>;(Encryptor.java:37)
        com.eprotea.security.crypto.Encryptor.getInstance(Encryptor.java:63)
        servletCommonSignIn.doPost(servletCommonSignIn.java:143)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        org.apache.catalina.servlets.InvokerServlet.serveRequest(InvokerServlet.java:419)
        org.apache.catalina.servlets.InvokerServlet.doPost(InvokerServlet.java:169)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

leeyun

怎么环境下运行！怎么样的方法去运行？

toms1981

I'm using tomcat 5.0 with JDK 1.4
This error will occured when I'm trying to encrypt my password.