I have been using MySQL with no trouble,
now I am trying Oracle 10g, but am getting
an exception on the following:
conn =

i am learning rmi.  after read the tutorial and specification, some
thing come up to confuse me: to get a stub, one on client has to rmic
from a concrete remote
class.  this seems unreasonable since i think the stub should only

I have a Map<String, String> which I would like to
display in a scrollable JTable. One solution I've
thought of is transforming the Map to a 2D array,
which I could feed to JTable constructor.

can anybody tell how to write web.xml file in tomcat easily. or is
there
is any tool for that? i have to write this web.xml file for my lim
folder saved in webapps so that i can access servlet stored in it.

I've been doing some googling for some good Java Tutorials, I've found
a few, but are there any must haves that you'd reccomend to a beginner
in Java?
Help Appreceated,

I am using internal frame in my program. How can i free the memory it
used when i close and Internal frame ??
plz help.
regards,

Hi,
I have a strange problem. I am doing a small librairie for another
projet. I have made a JAR using WSAD 5.1.2. When the other projet try
to use the JAR it trows this exception:

I am trying to figure out a way to have a Java client talk to a C++
server. I can open a connection with the server and the simple test
works fine. However I am not sure how to pass the Java types, viz.
ints/shorts/String to the server so that the server can recognize it in

A user on the corporate intranet ( Windows 2000 ) fires up their web
browser and points at my JSP ( running on Tomcat 5.5 ).
I want my JSP to be able to automatically detect their network
username. I don't want them to type in a thing - EVER! I want to

Hola a todos
tengo una aplicacion en servlets java corriendo sobre tomcat,
todo bien hasta ahí, el problema comienza cuando tengo muchos usuarios
conectados (mas de 10) el tomcat me empieza a comer recursos como

Hi I was wondering if anyone could suggest which method is more suited
to my problem, I have an application consisting of servlets and jsps'
and want to extend it using J2ME.  Basically for now a tiny J2ME app
that first authenticates a user with login name and password and then

hi....
can someone tell me how to check whether a jTextBox is null or not...i
tried this code and it does not work...
if(t.getText()==null)

Is it possible to create a string from an int with leading 0's using
String.Format() ?
e.g. i have the int value of 1 and i want to create a string containing
"00000001"

When you use a URLConnection, can you impose a Unicode character encoding
for the text POSTed?  I image one could add the encoding like this:
BufferedWriter bufferedWriter = new BufferedWriter(new
   OutputStreamWriter(urlConnection.getOutputStream(), "UTF8"));

*** This was first posted in c.l.j.beans, but received no responses ***
Hello everyone,
I am working on an EJB-based commercial product. When done, it will be
deployable on a number of application servers that use different XML