How to prevent Context Reload upon changing web.xml

I migrated from Tomcat 4.0.2 to Tomcat 5.5.7. The former was not reloading the context if I changed application’s web.xml file after deployment. The latter does that. Is there a way to prevent it? During the searching for this I read a post that having a context entry with reloadable attribute

Charset in Content Type: Tomcat 4 versus Tomcat 5

Hello World, I migrated from Tomcat 4.0.2 to Tomcat 5.5.7 which is quite nice for me but a not so good thing happened as a side-effect due to a MS bug. A particular response within my application had the following content-type header in Tomcat 4.0.2 Content Type: application/x-java-jnlp-file