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Re: hot-deploy in server

 
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John McGrath [TeamB]
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PostPosted: Thu Aug 28, 2003 1:45 am    Post subject: Re: hot-deploy in server Reply with quote



On 8/24/2003 at 7:01:15 AM, µËÔ¶Ò« wrote:

Quote:
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]


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Paul Furbacher [TeamB]
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PostPosted: Thu Aug 28, 2003 3:35 am    Post subject: Re: hot-deploy in server Reply with quote



In <3f489b54 (AT) newsgroups (DOT) borland.com> ?????? wrote:

Quote:
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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