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               <h1>Rules of Thumb</h1>
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                 <div class="sect1">
 <h2 id="_configuration">Configuration</h2>
 <div class="sectionbody">
 <div class="ulist">
 <ul>
 <li>
 <p>Configuration settings should have configurable defaults at the module, ear, server and cluster level (when clustering is added).
 For example, security settings should be configurable on a per ejb, ejb jar, ear and server levels.</p>
 </li>
 <li>
 <p>Settings should have a smooth increase in complexity from very simple to complex.
 For example, a cache setting could start with a simple max-size, and over time the user could increase the complexity by adding configuration for disk paging up to specification of complex flushing rules.</p>
 </li>
 </ul>
 </div>
 </div>
 </div>
 <div class="sect1">
 <h2 id="_validation">Validation</h2>
 <div class="sectionbody">
 <div class="ulist">
 <ul>
 <li>
 <p>Applications should be fully validated before handing it off to the deployment system.
 This vastly simplifies the deployment system because it assumes that an application is valid.
 As a corollary, the deployment system should not be complicated with code that tests for invalid deployments or with code to print graceful error messages to a user.</p>
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	<h1>Rules of Thumb</h1>
	</div>
	</div>
	</div>
	<div class="row">

	<div class="col-md-12">
	<div class="sect1">
	<h2 id="_configuration">Configuration</h2>
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	<div class="ulist">
	<ul>
	<li>
	<p>Configuration settings should have configurable defaults at the module, ear, server and cluster level (when clustering is added).
	For example, security settings should be configurable on a per ejb, ejb jar, ear and server levels.</p>
	</li>
	<li>
	<p>Settings should have a smooth increase in complexity from very simple to complex.
	For example, a cache setting could start with a simple max-size, and over time the user could increase the complexity by adding configuration for disk paging up to specification of complex flushing rules.</p>
	</li>
	</ul>
	</div>
	</div>
	</div>
	<div class="sect1">
	<h2 id="_validation">Validation</h2>
	<div class="sectionbody">
	<div class="ulist">
	<ul>
	<li>
	<p>Applications should be fully validated before handing it off to the deployment system.
	This vastly simplifies the deployment system because it assumes that an application is valid.
	As a corollary, the deployment system should not be complicated with code that tests for invalid deployments or with code to print graceful error messages to a user.</p>
	</li>
	</ul>
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