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Last modified by Markus Ruggiero on 2017/02/20 21:13
From version 35.1
edited by bogo
on 2011/11/07 12:55
Change comment: There is no comment for this version
To version 31.1
edited by Kieran Kelleher
on 2010/09/07 19:39
Change comment: There is no comment for this version

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1 -XWiki.bogo
1 +XWiki.kieran
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1 -[[JRebel>>http://jrebel.com]] is a tool from [[ZeroTurnaround>>http://www.zeroturnaround.com]] that makes it possible for Java developers to instantly see any code change made to an app //without// redeploying. JRebel lets you see code changes instantly, versioning classes and resources individually and updating one at a time instead of as a lump application redeploy.
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.
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 +
3 3  === How to install and use JRebel ===
4 4  
5 -* Get a free 30-day license, a[[open source developer license>>http://sales.zeroturnaround.com]] (Get JRebel for free section) or a paid license from [[ZeroTurnaround>>http://www.zeroturnaround.com]]
6 -* Put the license file (jrebel.lic) into a directory named .jrebel in your home directory. ( /.jrebel/jrebel.lic )
7 -* Get the JRebel plugin. Go to Eclipse->Preferences->Available Software Sites, add [[http://www.zeroturnaround.com/update-site/]]
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/]]
8 8  
9 9  [[image:AddZeroTurnAround.png]]
10 10  
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16 16  
17 17  [[image:UpdateWOLipsWithJRebel.png]]
18 18  
19 -* Restart Eclipse. You will now have a Jrebel preference item in your eclipse preferences and JRebel is ready for use with your projects.
25 +* Restart Eclipse. You will now have a Jrebel preference item in your eclipse preferences
26 +* Goto to Preferences->JRebel, and point the Path to jrebel.jar to the jrebel.jar location from action 2.
20 20  
28 +[[image:PathToJRebel.png]]
29 +
21 21  You have now installed and setup the stuff that WOLips needs to know about the location of JRebel.jar.
22 22  
23 23  == How do you use it? ==
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40 40  
41 41  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:
42 42  
43 -\-XX:MaxPermSize=384m
52 +-XX:MaxPermSize=384m
44 44  
54 +
45 45  {{/info}}
46 46  
47 47  Start changing your java code on the fly: watch and start saving time.
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49 49  [[image:JRebelWOLipsLog.png]]
50 50  
51 51  * Profit (for the europeans: Extra Time Off)
52 -
53 -== More information ==
54 -
55 -[[Old screencast from David Avendasora about using JRebel with Eclipse 3.4>>http://www.wocommunity.org/podcasts/WOJavaRebel_Setup.mov]].