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create distributed web servers

Khuram Khan
Greenhorn

Joined: Dec 18, 2002
Posts: 25
hi ,
I just want to know , how to get support of distributed env: of web servers ,,, I mean how
should i configure/create distributed env: of web server so that it be distributed with multiple webserver/jvm on different machine
Multiple servers must be supported ,,, if one webserver fail than other will suppport it
I know it is done using </distribute> tag in deployement discriptor (web.xml) but still i can configure it ,,
please tell me the configration on any of the web server ,,, I will arrange the web server which u will refer.

please help me ,,,
Thanks in advance
Khuram
[ April 03, 2003: Message edited by: Khuram Khan ]

Kamal Khan<p>Sun Certified Programmer for Java2<br />Sun Certified Web Component Developer<br />SCBCD
William Brogden
Author and all-around good cowpoke
Rancher

Joined: Mar 22, 2000
Posts: 12761
    
    5
I think that is a vendor specific problem - which web server are you using?
From the deployment descriptor docs in the servlet API it looks to me like the element <distributable/> simply marks the application as having been programmed so that it can be distributed. I don't see a <distribute> tag in the API for servlet 2.3
Bill
Khuram Khan
Greenhorn

Joined: Dec 18, 2002
Posts: 25
Originally posted by William Brogden:
I think that is a vendor specific problem - which web server are you using?
I don't see a <distribute> tag in the API for servlet 2.3
Bill

Sorry Sir ,,, Thats the mistake from me , Sir please can you tell me , how to configur distributed env: in any server what you perfectly know , I mean what you use ...
I will arrange that webserver or application server including weblogic , jrun or any other
Thanks in advance
Khuram Khan
William Brogden
Author and all-around good cowpoke
Rancher

Joined: Mar 22, 2000
Posts: 12761
    
    5
I regret to say that I have never had to configure such a distributed system. This is the kind of thing that J2EE is supposed to make very easy. The premier open source implementation of J2EE is called JBoss. Go to the JBoss web site for more information. The user community for JBoss is huge.
Bill
Tim Holloway
Saloon Keeper

Joined: Jun 25, 2001
Posts: 15953
    
  19

If I read this right, what you're asking about is what's called "clustering".
WebLogic supports it and I think WebSphere does. I don't know specifics about any others. The exact degree of clustering and set of features supported is very much dependent on what brand and release you are using.
Outside of J2EE, the Apache web server is often run in multiples using DNS round-robin.


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Khuram Khan
Greenhorn

Joined: Dec 18, 2002
Posts: 25
Originally posted by Tim Holloway:

WebLogic supports it and I think WebSphere does. I don't know specifics about any others. The exact degree of clustering and set of features supported is very much dependent on what brand and release you are using.

Thanks for your good response ,,,,
I just have downloaded the latest version of weblogic of weblogic ,,, they give 1 year free development version licence ,,, well one question more ,,, is it so easy to configure weblogic or i will have to go throgh the whole docs of weblogic ,,, if u beleave its so ez and can be defined by email than plz tell me how to configur!
if its so diff: ,,, just tell me to go throgh the docs ,,,,
Once again thanks for your good response ,,,
waiting 4 other one
Regards
Khuram Khan
Tim Holloway
Saloon Keeper

Joined: Jun 25, 2001
Posts: 15953
    
  19

Configuration can mean many things. WebLogic comes ready to run a number of demo webapps, so in that sense it's preconfigured. Many configuration options may be done via the WebLogic control panel webapp.
This is a large and complex system, which is only to be expected from one of the premier web application server products, so there's simply no way to give all-inclusive instructions, especially in the space of an online forum. However there's extensive on-line documentation, and while not everyone agrees, I think it's pretty good.
Good places to get assistance are the WebLogic newsgroups hosted by BEA and the JavaRanch BEA/WebLogic Forum.
 
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