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Last modified by Markus Ruggiero on 2017/02/20 21:13
From version 24.1
edited by Kieran Kelleher
on 2011/07/25 20:09
Change comment: There is no comment for this version
To version 27.1
edited by Johan Henselmans
on 2010/02/12 09:19
Change comment: There is no comment for this version

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1 -XWiki.kieran
1 +XWiki.johanhenselmans
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1 -JRebel is a tool from [[ZeroTurnaround>>http://www.zeroturnaround.com]].
1 +JRebel (previously called javarebel is a tool from [[ZeroTurnaround>>http://www.zeroturnaround.com]]).
2 2  
3 -It is a java library that makes it possible to change java code while running a project in WOLips and see the results without having to restart. It is a great timesaver.
3 +It is a java library that makes it possible to change java code while running a project in WOLips and see the results without having to restart. It is a great timesaver.
4 4  
5 -=== How to install and use JRebel ===
5 +If you are running Eclipse 3.4, you should have a look at the screencast from David Avendasora at [[http://www.wocommunity.org/podcasts/WOJavaRebel_Setup.mov]].
6 6  
7 -* Get a free 30-day license, a open source developer license or a paid license from [[ZeroTurnaround>>http://www.zeroturnaround.com]]
8 -* Put the license file (jrebel.lic) into a directory named .jrebel in your home directory. ( /.jrebel/jrebel.lic )
9 -* Get the JRebel plugin. Go to Eclipse->Preferences->Available Software Sites, add [[http://www.zeroturnaround.com/update-site/]]
7 +If you are running WOLips 3.5.1 or bigger, you are lucky: the JRebel plugin is included in the current WOLips for there versions.
10 10  
9 +How to install and use JRebel
10 +
11 +1. Download you version from [[ZeroTurnaround>>http://www.zeroturnaround.com]]
12 +1. put the jrebel.jar somewhere nice, so you can use it in whatever project you are working
13 +1. Go to WOLips->Preferences->Install Software, add http:~/~/www.zeroturnaround.com/update-site/
14 +
11 11  [[image:AddZeroTurnAround.png]]
12 12  
13 -* Download the Jrebel Eclipse Integration and perhaps the JRebel Eclipse Debugger Integration from install new Software
17 +1. Download the Jrebel Eclipse Integration and perhaps the JRebel Eclipse Debugger Integration from install new Software
14 14  
15 15  [[image:InstallSoftware.png]]
20 +
16 16  
17 -* Make sure you have checked the JRebel Plugin in WOLips if you download the newest version.
22 +1. Make sure you have checked the JRebel Plugin in WOLips if you download the newest version.
18 18  
19 19  [[image:UpdateWOLipsWithJRebel.png]]
20 20  
21 -* Restart Eclipse. You will now have a Jrebel preference item in your eclipse preferences and JRebel is ready for use with your projects.
26 +1. Restart Eclipse. You will now have a Jrebel preference item in your eclipse preferences
27 +1. Goto to Preferences->JRebel, and point the Path to jrebel.jar to the jrebel.jar location from action 2.
22 22  
29 +[[image:PathToJRebel.png]]
30 +
23 23  You have now installed and setup the stuff that WOLips needs to know about the location of JRebel.jar.
24 24  
25 -== How do you use it? ==
33 +How do you use it?
26 26  
27 27  Well that has become very simple since the inclusion of Quinton Dolan's JRebel plugin in WOLips.
28 28  
29 -For a project in which want to use jrebel to change java code while running, go to the run configuration of the project, under the contextual menu Run As->Run Configurations.
37 +For a project in which want to use jrebel to change java code while running, go to the run configuration of the project, under the contextual menu Run As->Run Configurations.
30 30  
31 31  In the Run Configuration of a WOApplication you will notice an extra Tab, called JRebel.
32 32  
33 -Select the tab, and check the check boxes to enable JRebel Agent and (eventually) Enable debug logging.
41 +Select the tab, and check the check boxes to enable JRebel Agent and (eventually) Enable debug logging.
34 34  
35 35  [[image:EnableJRebel.png]]
36 36  
37 -Start you project from the Run Configuration.
45 +Start you project from the Run Configuration.
38 38  
39 -Suddenly, you will get messages about jrebel being loaded, and some extra information about what settings are available as extra arguments.
47 +Suddenly, you will get messages about jrebel being loaded, and some extra information about what settings are available as extra arguments.
40 40  
41 -{{info}}
49 +Start changing your java code on the fly: watch and start saving time.
42 42  
43 -If you get out of memory error with respect to "Perm Gen space", just allocate more Perm Gen memory in command line launch args in your launch configuration. For example:
44 -
45 -\-XX:MaxPermSize=384m
46 -
47 -{{/info}}
48 -
49 -Start changing your java code on the fly: watch and start saving time.
50 -
51 -[[image:JRebelWOLipsLog.png]]
52 -
53 -* Profit (for the europeans: Extra Time Off)
54 -
55 -== More information ==
56 -
57 -[[Old screencast from David Avendasora about using JRebel with Eclipse 3.4>>http://www.wocommunity.org/podcasts/WOJavaRebel_Setup.mov]].
51 +Profit! (for the europeans: Extra Time Off!)