Gosh! I hope that the topic will explain itself properly. Do not ever put your Grails project behind a path that contains other characters than [a-zA-Z0-9_.]!
Yesterday I spent several hours trying to figure out why my controller/action/UrlMapping changes are not reflecting into my run-time paths. For example, I changed my FooController's action from "bar" to "foo". The corresponding URL should have changed from <app>/foo/bar to <app>/foo/foo. Well.. it didn't.. However, my Grails console told me that changes have been compiled. If I changed the actual logic inside "bar" action, the changes were applied immediately. Strange indeed!
Power Googling didn't give any results. Neither did Grails version changes (I tried 2.2.1, 2.1.4 and 2.0.4). I suspected that the cause was my Java version (1.7.0_17), because my other IDE with Java 1.6.0_24 was working fine. It wasn't.
Finally I figured that my Eclipse workspace was set to C:/.../Some(thing)/../workspace. So, I moved my workspace to a different path and tried again. Now it worked like a charm! So the lesson of this blog post is: never shit your Grails URL reloading with extreme paths!
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