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From "Andrew Fink (JIRA)" <>
Subject [jira] Commented: (CLK-719) Click Resources Deploying prevents rapid development with container's (tomcat in my case) hot deploy
Date Mon, 27 Sep 2010 12:55:33 GMT


Andrew Fink commented on CLK-719:

Hmm. Yes, It is dilemma.

Now If your resources in jar files - you have broken hot deploy.
After my patch resources in webroot will be under attack.

May be use this algorithm:

if (!destinationFile.exists()) {
// deploy as usual
} else if (ConfigService.MODE_TRACE.equals(getConfigService(servletContext).getApplicationMode()))
{ //trace mode = special case

calculate resource length and compare destinationFile length
if resource is longer then overwrite destinationFile

So usually all woks like now (production mode).
Only in trace mode (when you develop or debug special cases) you should care about your overriding
versions in webroot: they should be bigger or equal than original jar version

> Click Resources Deploying prevents rapid development with container's (tomcat in my case)
hot deploy
> ----------------------------------------------------------------------------------------------------
>                 Key: CLK-719
>                 URL:
>             Project: Click
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 2.2.0, 2.1.0
>            Reporter: Andrew Fink
> Example:
> I have some template in "META-INF/resources", for ex:  META-INF/resources/admin/blabla.ftl
> I run tomcat under my IDE:
> 1) it deploys webapp - OK
> 2) click deploys  META-INF/resources/admin/blabla.ftl to webroot/admin/blabla.ftl - OK
> Then I see some mistake in blabla.ftl and bug fix it, build and deploy again.
> 1. Tomcat re-deploys webapp over existing webapp - OK!
> 2. Click doesn't deploy  blabla.ftl because It already exists (tomcat/IDE doesn't clean
> It is a problem.
> __ ClickUtils.deployFile checks only destinationFile.exists() __
> I think in debug|trace mode, Click should:
> - always overwrite (redeploy) files,
> - or checks resource length (for example: skip all bytes from resource's inputStream
to calculate it's length) and if destinationFile.length != resource.length then overwrite

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