Hi,
I think I had this error too. It was due to 2 classes with the same name,
but different version, in the classpath.
hope this helps,
Kenneth Westelinck
>From: [EMAIL PROTECTED]
>Reply-To: [EMAIL PROTECTED]
>To: [EMAIL PROTECTED]
>Subject: Desperate with java.lang.VerifyError
>Date: Tue, 27 Mar 2001 07:27:15 +0100
>
> Hi everybody.
>
> I am getting all the time a very estrange error that is driven me mad...
>
> Just after call a Servlet I get the error:
>
>
>Error: 500
>Location: /sharewatch/ShareWatch
>Internal Servlet Error:
>
>java.lang.VerifyError: (class: com/saadian/sharewatch/utils/Screen, method:
>showPage signature:
>(Ljava/util/Hashtable;Ljava/lang/String;Ljava/io/PrintWriter;Ljava/util/Prop
>erties;)V) Incompatible object argument for function call
> at
>com.saadian.sharewatch.userHandlers.Login.processRequest(Login.java:83)
> at ShareWatch.doPost(ShareWatch.java:88)
> at ShareWatch.doGet(ShareWatch.java:39)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at
>org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
> at org.apache.tomcat.core.Handler.service(Handler.java:286)
> at
>org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
> at
>org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:79
>7)
> at
>org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
> at
>org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC
>onnectionHandler.java:210)
> at
>org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
> at
>org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
> at java.lang.Thread.run(Thread.java:484)
>
>The showPage method is defined as:
> public static void showPage(Hashtable wmHash,String
>pageName,PrintWriter
>out,Properties p)
>
>And the code in the line Login.java:83 is
> Hashtable wmTable = new Hashtable();
> wmTable.put("message","Login incorrect: Try again.");
> try {
> Properties prop = ShareLoader.getInstance().getProperties();
> PrintWriter pw = res.getWriter();
> Screen.showPage(wmTable,"logon",pw,prop);
> } catch (IOException e){
> cat.error("Displaying the login page:",e);
> }
>
>
> It works if I execute the code directly from JBuilder, but from
> outside I get always this error.
>
> I�m using Tomcat 3.2.? (the last stable version) and JDK 1.3.2,
> compiling with JBuilder 4 Fundation and directly with an Ant
> build.xml, I tried as well with JDK 1.2.2_07 with the same result.
>
>
> Knows anybody what is happen?
>
> Knows anybody how increase the verbosity of the VM for know more
> about the error message?
>
> Exists any tool that checks the bytecode?
>
>
> Anyway, thanks for your help.
>
> JD Evora.
>
>
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