Keristufer Blaze

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since May 01, 2004
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Recent posts by Keristufer Blaze

I'm getting ready to launch a website that makes use of j2ee and expect to have high amount of traffic in the future. I'm looking for the best online host that will allow for such an architecture. Can anyone provide some suggestions or links? The best sites I've found so far are:
www.serverbeach.com
www.rimuhosting.com
Serverbeach basically provides self-managed dedicated servers that will allow you to install any software you like. Rimuhosting also provides dedicated servers but preinstalls Tomcat, JBoss, and MySQL.
Eventually, I'm thinking I should go with serverbeach when the site begins to have a lot of traffic. I'm planning on using Tomcat, Spring framework, MySQL, setting up Tomcat clusters and MySQL clusters/replication and signing up for additional dedicated servers as necessary. Ideally I would like to use Oracle if any hosts provide it for cheap.
Can someone suggest anything better or provide links to better online hosts for running a high traffic commercial website?
Thanks.
19 years ago
Can a session bean connection and jms connection for a message driven bean share the same connection to a client? I'm developing a desktop application that makes direct method calls on a session bean to make updates on the server and receives messages from the server at random times through JMS. I need the server to be able to accept as many clients as possible. Will using both a session bean and jms connection at the same time for each client reduce the total number of clients possible? Would it be better to implement everything with just JMS and a message message driven bean?
Thanks.
[ August 23, 2004: Message edited by: Keristufer Blaze ]
Does anyone know how to customize the title bar of a JInternalFrame? I'm using the JInternalFrame.setBorder(border) to change most of the frame and setFrameIcon to change the icon but I can't figure out how to customize the title bar. I want to customize the whole title bar including its color, the minimize, maximize, and close buttons.
Thanks.
19 years ago
It looks like JBossMQ creates a new Socket and thread for every JMS connection so I'm guessing there is a limit. SwiftMQ uses nio and says that it "Uses only a few threads to handle thousands of concurrent connections.
Provides scalability with no limits!"
http://www.swiftmq.com/products/kernel/netnio/index.html

Does anyone know which open source JMS server is the most scalable? Here's a list of them
http://www.manageability.org/blog/stuff/open-source-jms-java
The problem with http is that it's a request/response protocol. I want to use JMS so that I can send messages to the client at random times. Is there a better way to do this? Thanks for the replies.

Also, do you know if there is a limit on the number of JMS connections to one machine? I need my application to be highly scalable and I don't want to spend a ton of money on servers. Would it be better to have all clients send and recieve data as DatagramPackets?
19 years ago
Is there a limit to how many JMS connections a single machine can have? If there is a limit, what is it? I'm using JBoss as my application server. Also can you explain why there is a limit?

I don't see why all JMS connections wouldn't be able to send their data as packets to the same port and include some information on who sent the data and which packets belong together. In this case the limiting factors would be bandwidth and how fast the server can handle packets of data.
I'm currently using eclipseme for developing with J2ME in eclipse. Is there anything better?
19 years ago
What's the best way to use session beans and JMS from J2ME? So far I've found iBus Mobile and www.jtom.de. I was hoping to find a standard solution or something open source. Is there anything better? I'm using JBoss as my application server.
19 years ago
Hello.

Does anyone know if there is software that will calculate the distance between two cities for me that I can access through java?

I'm also trying to find a complete list of cities around the world and their associated province/country for a user account page.

I've looked for a long time already but couldn't find anything. Someone please help. Thanks.
20 years ago
Can wireless devices connect to the internet when indoors? Say for example inside a shopping mall? How good is the connection?

Thanks.
20 years ago
Are there any device out right now that support jsr 179 the location api?

I think Nokia is the one who submitted the jsr. Do all their devices currently support the location api?

Thanks.
20 years ago
Congratulations.

100% ?... impressive.

Can you list what books/resources you used to prepare for the exam?
20 years ago
I purchased several exams from you guys. After installing them, I had to format my computer and reinstall the operating system. I tried reinstalling the whizlabs exams I purchased but the license numbers wouldn't work anymore. So I emailed you SEVERAL times and didn't get any replies for this issue even though I had received replies in the past for other issues. As of now I consider your service to be VERY bad. I'm disapointed, feel ripped off, and don't plan to purchase any exams from you again.
Also the SWT souce code from IBM. Are these available? If so where?
20 years ago