Are instance variables in custom tags thread-safe? I need two different
JSPs to use the same custom tag, so I have a setter method for an
instance variable called "page." The tag does things a bit differently
depending on which page called it.

I've been hunting all over the place for this one and have come up empty...
I have been using IntelliJ IDEA v4.x to build a BEA/Weblogic (v8.1) Web
services application, and found that it works very well.  I have a large
ANT task (build.xml) which defines various build and deploy ...

Okay, I'm sure this has been asked here before, but here goes. I have a
custom tag with one instance variable, a String named "page."
A couple of JSPs use this same tag, but depending on which page uses
it, the "page" variable may be different. In the doEnd() method, the

Hello every one,
I have problem compiling my ejb application.
I have statement like:
import javax.ejb.*  and compiler complains and says:

As the "pure Java" way of launching new browser windows, the showDocument
method, is rendered nonfunctional in more and more environments by popup
blockers, developers whose Java applets are digitally-signed have been able
to get the same functionality by using Runtime.exec calls ...

I wanted to use the ftp optional task defined for ant 1.6.5.  I copied
the oro and commons.net jars to the ant/lib directory, rebuilt ant, and
ant still claims it doesn't understand the task "ftp."  What am I doing
wrong?

We have a Java application normally invoked using Java Web Start from a
WebSphere Application Server's WAR file via a servlet.  We want the
application to also run on a remote, non-network connected PC.  We
would like to extract the set of JARs from the WAR file and put these

In my scenerio, building up a class is a difficult task and cost a lot
of time. I want to store a copy of the object, which has no specific
detail value. When request the object, I can clone a copy of that and
use the copy would not affect the original one, so I can change

What is a good text-editor for the begining programmer in Java?

I am using glazed lists to create JTables from simple POJO objects.
With my understanding of glazed lists you basically need to create a
TableFormat and TextFilterator for each POJO in order to create the
table (with filtering).  I am trying to use reflection to dynamically

Sorry for this question, I think it is often asked, but I still can't find an
answer.
I have a Java webapp (using Tomcat) with a JSP and a class extending Action.
The user selects an option in the jsp. The input is forwarded to the class

Would anybody have a tip why I would get this error calling an applet
from a website:
******************************************************************************************************
Java Plug-in 1.5.0

I am sorry if this question has been raised earlier, but I could not find
any convencing answer till now.
I have a program that tries to send UDP packets (Multicast) as fast as
possible. But on my solaris system the "send" function somtimes blocks for

Hi all, is there an API similar to the java API, not too bothered about the
layout or format, for interacting with the operating system preferably
Windows.
If anyone knows of any such document(s) can they post a link or email it to

I apologize for taking up anyone's time with such a newbie question.
However, my daughter is tearing her hair out over this code.  I myself
don't know anything about programming however, being the father that I
am, I am hoping that someone can respond to my plea for help and