Weigang Gu

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since Jan 16, 2001
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Recent posts by Weigang Gu

Hi, I need your help for this.
I imported javax.sql.* in my class but compiler said javax.sql.*
does not exist. I have j2ee installed.
help, please
Hi, guys:
I am designing a J2EE application which will present data in different formats for customers. The customers are only allowed to see their own data. What kind of security approach would you suggest using? Anybody using siteMinder from netegrity?
Any thoughts will be greatly appreciated.
Hi, I have a situation like this:
I have a bank saving/checking account I would like to set a alert about the amount of money I have in the account. Once they have less than that amount, an email alert should be automatically sent to the customer.
How do I use Message Queue to achieve this? or there is a better one to do that?
We are going to spend some money in buying a new application server. We currently are using JRUN and we are thinking about WebLogic. Anyone has some ideas about the pros/cons of these two different server? which one is better and why? Need some advices.
The other thing, anyone are using Versata Logic Server? How do you like it?
20 years ago
Anybody can tell me where I can get information about xml certification? Is IBM the only one offering that?
thanks in advance
Anybody familiar with Sun's Adelard project? I read it can generate beans from XML. Anybody has any thought where I can download it? Is it widely used in XML community?
thanks
Hi, folks:
I want to send a xml file via a bean to my jsp page. Any thoughts?
Help appreciated
Hi, folks:
What is the best way to send XML file via a bean to JSP?
Helps appreciated
20 years ago
Hi, folks:
I want to create a XML output document from my JSP page and I am thinking about using com.sun.xml.tree.ElementNode and com.sun.xml.tree.XmlDocument classes. (methods in those are createElement, setAttribute, etc). I think J2EE contains these API. However, when I tried to compile, I was given an error like these classes/methods cannot be found.
Anyone has any idea? what is the best way to create a XML from JSP page?
thanks in advance
Can anybody explain why methods in EJBs can not be declared as final?
I am very happy that I passed SCJP today with 93% score. The test is very straightforward and fundamental. I scored 100% in every section except in Thread which I did very bad (57%).
This site has been very help and I would like to thank everyone for his/her help and discussions.
Wish you all the best.
20 years ago
Hi, folks:
can native method be declared abstract? or is it implicitly abstract?
You don't have to declare a class with native method abstract.
Now you declare the native method abstract and meanwhile declare the class as abstract, and seems there is no compiler error.
Any clarification?
Hi, folks:
I installed Apache server and Tomcat3.2.1 on my computer. I have one problem and I wish you can help me out.
I wrote a myjsp.jsp program which uses some bean component, myBean.class, and servlet, myservlet. I tried to run it without success. I think the problem is I did not put them in the right dir. Could anyone please tell me where I should put these files to start myjsp.jsp?
thanks in advance
20 years ago
Hi, would anyone please tell me if I can compile servlet files with jdk1.2.2/jdk1.3? I have jdk1.3 downloaded on my computer but I can not compile my servlet files. It said javax.servlet.* cannot be found. Do I have to download some other softwares? and what are they?
thanks in advance
20 years ago
I did not install TomCat, but I did install ServletExec AS3.0 from AtlantaSoftware. Do you need to start ServletExec (an servlet engine) before you run the browser? How do you start it? Do you need to configure it ?
Thanks in advance
20 years ago