Answer: restart Tomcat.
suresh chaluvadi wrote:
> Hi,
> I'm getting the following error when I write a
> servlet code.Here is the error
>
> Sorry Boss ..ur Failed to enter into our World
> 2002-01-02 23:31:17 - Ctx( ): Exception in init
> Can't happen - classname is nu
> ll, who added this ? -
> java.lang.IllegalStateException: Can't happen -
> classname
> is null, who added this ?
> at
> org.apache.tomcat.core.ServletWrapper.loadServlet(ServletWrapper.java
> :261)
> at
> org.apache.tomcat.core.ServletWrapper.init(ServletWrapper.java:289)
> at
> org.apache.tomcat.core.Handler.service(Handler.java:254)
> at
> org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372
> )
> at
> org.apache.tomcat.core.ContextManager.internalService(ContextManager.
> java:812)
> at
> org.apache.tomcat.core.ContextManager.service(ContextManager.java:758
> )
> at
> org.apache.tomcat.service.http.HttpConnectionHandler.processConnectio
> n(HttpConnectionHandler.java:213)
> at
> org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:
> 416)
> at
> org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java
> :501)
> at java.lang.Thread.run(Thread.java:484)
>
> 2002-01-02 23:31:17 - Ctx( ): IllegalStateException
> in: R( + /login.html + nul
> l) Can't happen - classname is null, who added this ?
> -------------------------------------------------
>
> And Here is the code I wrote:
>
> rs=st.executeQuery("select * from tbluserinfn where
> uname='"+uname+"' and pword='"+pword+"'");
>
> if(rs.next())
> {
> System.out.println("Congrates ..ur
>succeded");
> so.println("<html><body bgcolor=lightyellow><form>");
> so.println("<br><br><br><center>Enter into World Of
> SatyaSanjeevi</center>");
> so.println("<center><input type=button value=back
> onClick=\"history.back()\"></center>");
> so.println("</form></body></html>");
>
> }
>
> else
> {
>
> System.out.println("Sorry Boss ..ur Failed to enter
> into our World");
> rs.close();
> res.sendRedirect("/login1.html");
> return;
> }
>
> Pls.Help me to solve the Problem
> Suresh
>
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