Is JRebel ever used in production environments? What can it reload on the JVM?

Asked 21/3, 2011 at 3:26 Answered 21/3, 2011 at 10:26

Is JRebel ever used in production environments? Is it something to just help you develop or is it appropriate for reloading things (especially next gen languages (non-Java)) on the JVM? What (at the byte code and Java language level) can it reload?

Castaneda answered 21/3, 2011 at 3:26 Comment(0)

JRebel is a tool for development. LiveRebel (based on JRebel) is the tool you're probably thinking of

Catsup answered 21/3, 2011 at 5:11 Comment(3)

I use Jrebel in development, is there any disadvantage leaving the maven dependency for Production use? – Saccharate 5/3, 2013 at 23:43

You probably mean the maven plugin definition that generates rebel.xml? The only disadvantage - a few extra bytes in the final archive, as much as rebel.xml adds :) Other than that - no. – Catsup 6/3, 2013 at 15:4

LiveRebel is now no longer supported, they have closed the product. zeroturnaround.com/blog/goodbye-liverebel – Aspersorium 20/7, 2015 at 21:23

As Anton said: JRebel is very useful for development. Especially if you have a large deployment time JRebel could enhance your dev experience a lot. BTW They offer licenses to open source projects and they do http://my.jrebel.com. At stackoverflow or zeroturnaround they describe how jrebel works.

Take a look into their feature comparison to the normal jvm hotswap.

Alternatives:

normal jvm hotdeployment (like with jetty or netbeans etc?)
https://github.com/fakereplace
javeleon (?this was open source some time ago!?).

Kristofer answered 21/3, 2011 at 10:26 Comment(0)

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