Fully Virtualized Application

rdanner — Sat, 26 Jan 2008 07:31:11 GMT

I'd like to know who out there is really using the virtualization platform to virtual j2EE applications – if so what type of application, and what technology is it built on.I'd also like to get a discussion going here about best practices when it comes to managing applications inside a web project.

Re: Fully Virtualized Application

rdanner — Fri, 01 Feb 2008 04:33:53 GMT

I'd like to know who out there is really using the virtualization platform to virtual j2EE applications – if so what type of application, and what technology is it built on.

I'd also like to get a discussion going here about best practices when it comes to managing applications inside a web project. Do we have people who would be interested in that?

If you are here are a couple of things you might like to know:

* In order to give the virtualization server access to resources inside the war (when .getRealPath() is called) you will need to have the V: drive mounted. (windows). This applies to spring context files for example.

* ServletContext.getRealPath() returns a path to the staging sandbox – not the sandbox you are working in – watch out for this bug – it will drive you mad unless you catch it early on. either patch the code or use request.getRealPath() instead.

Thought everyone might like to know that I was incorrect about the ServletContext.getRealPath() bug – it turns out something I am doing in my application does not play well with the virtualization server.

The simple test case of a single JSP application with the following body:



<%=this.getServletContext().getRealPath("/") %><br/>
<%=request.getRealPath("/") %><br/>
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produces the correct and expected output


v:\simple–admin\VERSION\v-1\DATA\www\avm_webapps\ROOT\
v:\simple–admin\VERSION\v-1\DATA\www\avm_webapps\ROOT\
‍‍‍‍

VirtServer 1 : Russ 0 :lol:

Sorry about the misinformation ops:

Now… gotta go fix that bug in my app :shock:

There is one other test I want to run which is an actual servlet loaded by the Web.xml … it's a little different than a JSP but I don't expect a different result – but it would unwise to leave the final test case uncovered.

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Fully Virtualized Application

Re: Fully Virtualized Application