add/modify/delete methods/fields/constructors

modify annotations on types/methods/fields/constructors

add/remove/change values in enum types

support framework specific changes like Spring MVC @RequestMappings

change log configuration on the fly

java -javaagent:<pathTo>/springloaded-{VERSION}.jar -noverify

Redeem yourself from hot deployments and OutOfMemoryException. spring-loaded is an opensource classreloader and a promising alternative to JRebel . It does not offer as many features as JRebel does, and it does not support any framework just yet. Nevertheless, its a great tool that can save the time you are waiting for that servletcontainer to restart again.What it can do:What it cant:It is not getting the attention that it deserves, so give it a try.Just download from github already, and add the following to your JVM parameters: