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compatibility with JRebel ?


metalim
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Sup!

 

I'm trying to use JRebel (free Social Plan) with Minecraft Forge to make code changes without restarting Minecraft.

 

Encountered an issue: Forge reports error during startup. Console log below:

 

 

[2012-12-27 18:05:55] Contacting myJRebel server ..

[2012-12-27 18:05:57]

[2012-12-27 18:05:57] #############################################################

[2012-12-27 18:05:57]

[2012-12-27 18:05:57]  JRebel 5.1.2 (201212171004)

[2012-12-27 18:05:57]  © Copyright ZeroTurnaround OU, Estonia, Tartu.

[2012-12-27 18:05:57]

[2012-12-27 18:05:57]  Over the last 1 days JRebel prevented

[2012-12-27 18:05:57]  at least 1 redeploys/restarts saving you about 0 hours.

[2012-12-27 18:05:57]

[2012-12-27 18:05:57]  This product is licensed to Maxim Litvinov

[2012-12-27 18:05:57]

[2012-12-27 18:05:57]  License acquired through myJRebel server.

[2012-12-27 18:05:57]

[2012-12-27 18:05:57]  You are subscribed for the plan "JRebel Social Plan",

[2012-12-27 18:05:57]  subscription is for lifetime.

[2012-12-27 18:05:57]  next license check with the server is required by 2013-01-26.

[2012-12-27 18:05:57]

[2012-12-27 18:05:57]  The following plugins are disabled at the moment:

[2012-12-27 18:05:57]  * Camel plugin (set -Drebel.camel_plugin=true to enable)

[2012-12-27 18:05:57]  * Click plugin (set -Drebel.click_plugin=true to enable)

[2012-12-27 18:05:57]  * JRuby Plugin (set -Drebel.jruby_plugin=true to enable)

[2012-12-27 18:05:57]  * Jersey plugin (set -Drebel.jersey_plugin=true to enable)

[2012-12-27 18:05:57]  * Oracle ADF Core plugin (set -Drebel.adf_core_plugin=true to enable)

[2012-12-27 18:05:57]  * Oracle ADF Faces plugin (set -Drebel.adf_faces_plugin=true to enable)

[2012-12-27 18:05:57]  * RESTlet plugin (set -Drebel.restlet_plugin=true to enable)

[2012-12-27 18:05:57]  * Seam-Wicket plugin (set -Drebel.seam_wicket_plugin=true to enable)

[2012-12-27 18:05:57]  * Spring Data Plugin (set -Drebel.spring_data_plugin=true to enable)

[2012-12-27 18:05:57]  * WebObjects plugin (set -Drebel.webobjects_plugin=true to enable)

[2012-12-27 18:05:57]

[2012-12-27 18:05:57] #############################################################

[2012-12-27 18:05:57]

[2012-12-27 18:05:57] JRebel: Directory '/Users/metalim/Downloads/mc/forge/mcp/eclipse/Minecraft/bin' will be monitored for changes.

2012-12-27 18:05:59 [iNFO] [ForgeModLoader] Forge Mod Loader version 4.6.12.511 for Minecraft 1.4.6 loading

2012-12-27 18:05:59 [FINEST] [ForgeModLoader] All core mods are successfully located

2012-12-27 18:05:59 [FINEST] [ForgeModLoader] Discovering coremods

2012-12-27 18:05:59 [FINEST] [ForgeModLoader] Found library file argo-2.25.jar present and correct in lib dir

2012-12-27 18:05:59 [FINEST] [ForgeModLoader] Found library file guava-12.0.1.jar present and correct in lib dir

2012-12-27 18:05:59 [FINEST] [ForgeModLoader] Found library file asm-all-4.0.jar present and correct in lib dir

2012-12-27 18:05:59 [FINEST] [ForgeModLoader] Found library file bcprov-jdk15on-147.jar present and correct in lib dir

2012-12-27 18:06:07 [iNFO] [sTDERR] Exception in thread "main" java.lang.RuntimeException: java.lang.NoClassDefFoundError: com/zeroturnaround/javarebel/gen/RebelLocator$$15dcc3ca

2012-12-27 18:06:07 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:175)

2012-12-27 18:06:07 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.relaunchClient(FMLRelauncher.java:92)

2012-12-27 18:06:07 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.handleClientRelaunch(FMLRelauncher.java:26)

2012-12-27 18:06:07 [iNFO] [sTDERR] at net.minecraft.client.Minecraft.main(Minecraft.java:2235)

2012-12-27 18:06:07 [iNFO] [sTDERR] at Start.main(Start.java:29)

2012-12-27 18:06:07 [iNFO] [sTDERR] Caused by: java.lang.NoClassDefFoundError: com/zeroturnaround/javarebel/gen/RebelLocator$$15dcc3ca

2012-12-27 18:06:07 [iNFO] [sTDERR] at cpw.mods.fml.common.asm.transformers.AccessTransformer.<clinit>(AccessTransformer.java:50001)

2012-12-27 18:06:07 [iNFO] [sTDERR] at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

2012-12-27 18:06:07 [iNFO] [sTDERR] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)

2012-12-27 18:06:07 [iNFO] [sTDERR] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)

2012-12-27 18:06:07 [iNFO] [sTDERR] at java.lang.reflect.Constructor.newInstance(Constructor.java:513)

2012-12-27 18:06:07 [iNFO] [sTDERR] at java.lang.Class.newInstance0(Class.java:355)

2012-12-27 18:06:07 [iNFO] [sTDERR] at java.lang.Class.newInstance(Class.java:308)

2012-12-27 18:06:07 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.RelaunchClassLoader.registerTransformer(RelaunchClassLoader.java:75)

2012-12-27 18:06:07 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:238)

2012-12-27 18:06:07 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:155)

2012-12-27 18:06:07 [iNFO] [sTDERR] ... 4 more

2012-12-27 18:06:07 [iNFO] [sTDERR] Caused by: java.lang.ClassNotFoundException: com.zeroturnaround.javarebel.gen.RebelLocator$$15dcc3ca

2012-12-27 18:06:07 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:179)

2012-12-27 18:06:07 [iNFO] [sTDERR] at java.lang.ClassLoader.loadClass(ClassLoader.java:306)

2012-12-27 18:06:07 [iNFO] [sTDERR] at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

2012-12-27 18:06:07 [iNFO] [sTDERR] ... 13 more

2012-12-27 18:06:07 [iNFO] [sTDERR] Caused by: java.lang.NullPointerException

2012-12-27 18:06:07 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:138)

2012-12-27 18:06:07 [iNFO] [sTDERR] ... 15 more

 

 

I've tested JRebel with with vanilla Minecraft (via mcp725): works fine.

 

Question is: have any clue from the error message, how to fix that?

 

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Why are you using JRebel? What type of environment are you in that you need it?

Its a development tool that allows you to swap classes at runtime, but you know, every IDE has this functionality...

I do Forge for free, however the servers to run it arn't free, so anything is appreciated.
Patreon: http://www.patreon.com/lexmanos
Paypal: http://paypal.me/LexManos

BitCoin: 1Q8rWvUNMM2T1ZfDaFeeYQyVXtYoeT6tTn

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Not going to happen. JRebel is a custom classloader wrapped around the code it's running, and unfortunately, for FML and Forge to function, we need to break free of the core classloader framework so we can inject mods and libraries. So we'll pretty much 100% conflict with what JRebel is trying to do.

 

I'm not about to rewrite FML either. Sorry about that.

 

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cpw: can it technically be done? And on which side?

FML uses a custom class loader to load classes from mod files, so pretty much you'd have to merge the JRebel loader with that AFAIK.

Protip: try and find answers yourself before asking on the forum.

It's pretty likely that there is an answer.

 

Was I helpful? Give me a thank you!

 

 

width=635 height=903http://bit.ly/HZ03zy[/img]

 

 

Tired of waiting for mods to port to bukkit?

use BukkitForge! (now with a working version of WorldEdit!)

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As cpw said, if you want to try and merge JRebel support into FML feel free to submit a PR.

And you're right changing the structure of the class requires a re-launch in eclipse, however, it's not that big of a deal, and takes about 5 seconds. And you probably won't be doing it often :P

I do Forge for free, however the servers to run it arn't free, so anything is appreciated.
Patreon: http://www.patreon.com/lexmanos
Paypal: http://paypal.me/LexManos

BitCoin: 1Q8rWvUNMM2T1ZfDaFeeYQyVXtYoeT6tTn

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