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What is a managed environment?

 
Ivan Jouikov
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The way all my websites have been working so far is Resin + Hibernate + Struts, and everything is fine.

To deploy a new website, I develop it on my dev machine, then I copy/paste it into a $resin/hosts/www.wee.com/webapps/ROOT and create an entry in resin.conf... seems pretty simple.

But lately I've been hearing about distributed managed environments, or whatever you call them. I looked up JBoss and it seems that JBoss is nothing but a wrapper around Tomcat that doesn't really seem to do anything...

I'm pretty sure I'm wrong, but can somebody throw in some good links or some info on this topic? I tried using google but "managed environment" doesn't give me much useful info.

Thanks!
 
Sujatha Kumar
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A environment is said to be managed when you make use of Application Server/Container Services.

For example If you use Connection provided by the container by looking
up JNDI datasource you are in a managed environment,

Where as if we use JDBC connection directly then it is said to be
Non-Managed Environment.

Hope it helps
 
Ivan Jouikov
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So basically running an external DB pool?

I always imagined "managed" to be like a web panel where you can manage all email accounts, all websites, all FTP accounts, that kind of thing. Do they have things like that?
 
Sujatha Kumar
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It's not just DB pool more than that,
Like Providing JTA Transactions, Security, Object Pooling and much much
more.

Refer to any good books for further clarification.
Enterprise Java Beans by Oreily might be a good source.
 
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