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Last modified by Markus Ruggiero on 2017/02/20 21:13
From version 25.1
edited by Johan Henselmans
on 2010/02/12 09:21
Change comment: There is no comment for this version
To version 24.1
edited by Kieran Kelleher
on 2011/07/25 20:09
Change comment: There is no comment for this version

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1 -XWiki.johanhenselmans
1 +XWiki.kieran
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1 -JRebel (previously called javarebel is a tool from [[ZeroTurnaround>>http://www.zeroturnaround.com]]).
1 +JRebel 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 -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 -
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.
8 -
9 9  === How to install and use JRebel ===
10 10  
11 -* Download you version from [[ZeroTurnaround>>http://www.zeroturnaround.com]]
12 -* put the jrebel.jar somewhere nice, so you can use it in whatever project you are working
13 -* Go to WOLips->Preferences->Install Software, add http:~/~/www.zeroturnaround.com/update-site/
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/]]
14 14  
15 15  [[image:AddZeroTurnAround.png]]
16 16  
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17 17  * Download the Jrebel Eclipse Integration and perhaps the JRebel Eclipse Debugger Integration from install new Software
18 18  
19 19  [[image:InstallSoftware.png]]
20 -
21 21  
22 22  * Make sure you have checked the JRebel Plugin in WOLips if you download the newest version.
23 23  
24 24  [[image:UpdateWOLipsWithJRebel.png]]
25 25  
26 -* Restart Eclipse. You will now have a Jrebel preference item in your eclipse preferences
27 -* Goto to Preferences->JRebel, and point the Path to jrebel.jar to the jrebel.jar location from action 2.
21 +* Restart Eclipse. You will now have a Jrebel preference item in your eclipse preferences and JRebel is ready for use with your projects.
28 28  
29 -[[image:PathToJRebel.png]]
30 -
31 31  You have now installed and setup the stuff that WOLips needs to know about the location of JRebel.jar.
32 32  
33 33  == How do you use it? ==
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34 34  
35 35  Well that has become very simple since the inclusion of Quinton Dolan's JRebel plugin in WOLips.
36 36  
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.
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.
38 38  
39 39  In the Run Configuration of a WOApplication you will notice an extra Tab, called JRebel.
40 40  
41 -Select the tab, and check the check boxes to enable JRebel Agent and (eventually) Enable debug logging.
33 +Select the tab, and check the check boxes to enable JRebel Agent and (eventually) Enable debug logging.
42 42  
43 43  [[image:EnableJRebel.png]]
44 44  
45 -Start you project from the Run Configuration.
37 +Start you project from the Run Configuration.
46 46  
47 -Suddenly, you will get messages about jrebel being loaded, and some extra information about what settings are available as extra arguments.
39 +Suddenly, you will get messages about jrebel being loaded, and some extra information about what settings are available as extra arguments.
48 48  
49 -Start changing your java code on the fly: watch and start saving time.
41 +{{info}}
50 50  
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 51  [[image:JRebelWOLipsLog.png]]
52 52  
53 -Profit! (for the europeans: Extra Time Off!)
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]].