hot-deploy in server

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3 total messages Started by ��Զҫ Sun, 24 Aug 2003 11:01

#460

Author: ��Զҫ
Date: Sun, 24 Aug 2003 11:01

3 lines
1159 bytes

I am amazed at the hot-deploy character of nowaday server. Is there anyone
who can explain to me how the server manages to do it.
thanks

Re: hot-deploy in server

#469

Author: John McGrath [TeamB]
Date: Thu, 28 Aug 2003 01:45

12 lines
1262 bytes

On 8/24/2003 at 7:01:15 AM, ��Զҫ wrote:

> I am amazed at the hot-deploy character of nowaday server. Is there
> anyone who can explain to me how the server manages to do it.

I presume it just looks at the .class file to see if it has changed,
and then loads it if it has.

-- 
Regards,

John McGrath  [TeamB]

Re: hot-deploy in server

#470

Author: Paul Furbacher TeamB
Date: Thu, 28 Aug 2003 03:35

32 lines
2271 bytes

In <3f489b54@newsgroups.borland.com> ?????? wrote:

>  I am amazed at the hot-deploy character of nowaday server. Is there 
>  anyone who can explain to me how the server manages to do it. 

Tomcat is a server which does this and all of its source is
available for looking at.  Use the "Search in Path" facility 
in JBuilder, and point it to the JBuilder/extras/jakarta-tomcat-4.x.y-src
folder and search for "URLClassLoader", or other classloaders, and 
read through those sections of code.  I just did this and there's
a good bit of reading to do (smileys needed?).

JBoss is also an open source server which hot deploys.
Download it and do a similar search.  It may be interesting
to see how the approaches for hot-loading servlets/JSPs and 
EJBs compare.

Java Developers Journal had an article on classloaders in 
a very recent issue (August maybe?).  

Paul Furbacher [TeamB]

  Save time, search the archives:
       http://info.borland.com/newsgroups/ngsearch.html

  Is it in Joi Ellis's Faq-O-Matic? 
       http://www.visi.com/~gyles19/fom-serve/cache/1.html

  Finally, please send responses to the newsgroup only.
  That means, do not send email directly to me.
  Thank you.

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