To summarize, this is my JRebel configuration in $JBOSS_HOME/bin/run. But it is still better than the situation when all the project classes have to be reloaded. Configure the IDE In Eclipse, right-click on your project, select JRebel -> Add JRebel Nature Right-click on your project again, select JRebel -> Enable. From Eclipse 3.7 (Indigo) M2Eclipse is already integrated, but make. It may slow down the reloading time from a few milliseconds to some milliseconds extra. popular Java development tools like IntelliJ IDEA, Eclipse, and NetBeans and necessitates little setup and preparation. Make sure you have a standard Eclipse installation using the M2Eclipse plugin, running JDK6. You can do this by Right clicking on project and selecting JRebel > Add JRebel Nature. 2) Now switch to JRebel Config Centre perspective - the view will not be re-initialized and the error stays. ![]() Java) - in there it is normal to display this error. JRebel depends on the results of the compilation, so if you disable the automatic build you will have to just compile the changed classes yourself, that's it.īut I didn't like that option either, so we found an option in JRebel which is actually a VM argument: -Drebel.check_class_hash=true which will check the checksum before reloading the classes. Copy the Activation code from here Put this code in JRebel Activation Dialog by going to Help > JRebel Activation in eclipse JRebel activation will take a minute or so, Next you need to make your projects JRebel enabled. The way I was able to reproduce this: 1) open the JRebel Config Centre view in another perspective (e.g. Disabling build automatically option does not break JRebel. The first thing I tried is stopping the "Automatic build" option in Eclipse. And if you have to restart the application server, why would you use JRebel? Anyways, it was really frustrating as the only solution to stop the reloading process, was to restart the application server. After a bit of research, we found out Eclipse just cleans the whole bin folder. No need to redeploy/restart your application server: just code and push refresh in the browser.īut, we sometimes had the issue the whole project was getting reloaded and we only changed 1 line of code in 1 class file. You can find it here.We are using JRebel at work now for a couple of weeks, and this product is really a timesaver for every Java developer. There's a version of JRebel free for personal use, it's not listed in many places across zeroturnaround's sites which is annoying. JRebel and Minecraft Rebel will take care of the rest for you. If you have configured your IDE correctly then you will be able to execute the compile goal using your build tool (local servers only) or hit "Compile" on your IDE to deploy your code to the server. If you are not using an IDE, please see this guide which contains the same step. The IDEA and Eclipse plugins include tool windows that instruct you how to connect the IDE to your servers running JRebel as well as copy-able commands for setting up the JRebel agent. If you are using Maven or Gradle then you don't need to follow the steps outlined in the IDEA or Eclipse plugin unless the server is hosted externally. ![]() JRebel enables you to reload code without having to repeatedly copy JARs to your servers, instead you just hit "Compile" in your favourite IDE or execute the compile goal of your favourite build tool and JRebel will ensure your server is running the most up to date version of your code.įollow the appropriate steps for your build tool or IDE of choice, links to common options can be found below. Didn't work Don't worry, you can also install JRebel using: Update site URL. Simple JRebel plugins that reload Bukkit/BungeeCord plugins when JRebel reloads your classes. Reload your code Installing the JRebel plugin Open Help > Eclipse Marketplace. This is not for the average server owner, this is a utility designed to benefit developers. To verify you current JRebel version, open Help > JRebel > Configuration and select the Advanced tab.
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