We have a web application. It uses JSF (myfaces) and Dojo, and contains
a few frames. In one of the frames there is a menu. When a menu item is
clicked, a page on another frame is displayed. But sometimes instead of
the selected page the menu is displayed, so we have two menus: one ...

Hello! I have 2 files A.jsp and B.jsp. A.jsp is including B.jsp. There
is a variable defined in A.jsp which is being used in B.jsp. Now B.jsp
should check that if the variable is not defined than it should define
and put a default value in the variable in B.jsp. So in JSP do we have

I have a simple multicast server using MulticastSocket and a joinGroup
and a simple client that uses DatagramSocket to send to that multicast
group (as a simple IP address). I also have a client in C running on
another host. If I run the C client the server only gets one datagram ...

How can I print the filename of the page executing in a jsp?
e.g.
http://www.myhost.com/index.jsp
and

We have a non blocking server and we've noticed that when there are no
connected clients for a long time, the server kind of hangs.
The socket remains open but it does not seem to accept any more
connections.

I am designing a medical application, since I am a programming novice,
its a startup company with no capital, and I want to keep it easy to
install at Beta sites, I would like to use an Access Database to store
information.

I have a question about exceptions..
I have this method;
public void calculate(int x) throws IllegalArgumentException {
if(x > 10) throw new IllegalArgumentException("x must be bigger than

Hi, I have a 1-dimentional byte array and an IndexColorTable, and I
can't figure out how to combine the 2 into an BufferedImage without
unnecessary copying/reallocating of the image buffer.
The color model I have is:

..|..

I'm trying to debug some code with el-tags that is not working
properly.
That is, the code worked fine with Resin web-container, but seems to
have problems when running on jBoss / TomCat.

I have a Java stored procedure that breaks when I enter more than 32
characters for one of the parameters (The parameter in question is
called "subject").
The stored procedure takes in several parameters. One of those is a

When I refactor the package name in Eclipse 3.2, some errors occur. The
errors are as follows:
java.lang.reflect.InvocationTargetException
at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:350)

I am novice to JSP, can anybody please send me code how to export htaml
page table content into excel file.
Thanks in advance.

is there a way to convert a TIF or PNG to PDF without the use of a
commercial library?

I'm studying for the SCJP 5.0 and have a question about Generic
Collections.
The question is, If I use wildcards in a collection then I can't use
the add() method for the collection (ArrayList in this example). I can