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Last modified by Markus Ruggiero on 2017/02/20 21:13
From version 32.1
edited by Kieran Kelleher
on 2010/09/07 19:39
Change comment: There is no comment for this version
To version 37.1
edited by bogo
on 2011/11/07 12:55
Change comment: There is no comment for this version

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Author
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1 -XWiki.kieran
1 +XWiki.bogo
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1 -JRebel (previously called javarebel is a tool from [[ZeroTurnaround>>http://www.zeroturnaround.com]]).
1 +[[JRebel>>url:http://jrebel.com||shape="rect"]] is a tool from [[ZeroTurnaround>>url:http://www.zeroturnaround.com||shape="rect"]] 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.
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 -
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/]]
5 +* Get a free 30-day license, a[[open source developer license>>url:http://sales.zeroturnaround.com||shape="rect"]] (Get JRebel for free section) or a paid license from [[ZeroTurnaround>>url:http://www.zeroturnaround.com||shape="rect"]]
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/>>url:http://www.zeroturnaround.com/update-site/||shape="rect"]]
14 14  
15 -[[image:AddZeroTurnAround.png]]
9 +[[image:attach:AddZeroTurnAround.png]]
16 16  
17 17  * Download the Jrebel Eclipse Integration and perhaps the JRebel Eclipse Debugger Integration from install new Software
18 18  
19 -[[image:InstallSoftware.png]]
13 +[[image:attach:InstallSoftware.png]]
20 20  
21 21  * Make sure you have checked the JRebel Plugin in WOLips if you download the newest version.
22 22  
23 -[[image:UpdateWOLipsWithJRebel.png]]
17 +[[image:attach:UpdateWOLipsWithJRebel.png]]
24 24  
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.
19 +* Restart Eclipse. You will now have a Jrebel preference item in your eclipse preferences and JRebel is ready for use with your projects.
27 27  
28 -[[image:PathToJRebel.png]]
29 -
30 30  You have now installed and setup the stuff that WOLips needs to know about the location of JRebel.jar.
31 31  
32 32  == How do you use it? ==
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39 39  
40 40  Select the tab, and check the check boxes to enable JRebel Agent and (eventually) Enable debug logging.
41 41  
42 -[[image:EnableJRebel.png]]
33 +[[image:attach:EnableJRebel.png]]
43 43  
44 44  Start you project from the Run Configuration.
45 45  
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46 46  Suddenly, you will get messages about jrebel being loaded, and some extra information about what settings are available as extra arguments.
47 47  
48 48  {{info}}
49 -
50 50  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:
51 51  
52 52  -XX:MaxPermSize=384m
53 -
54 -
55 55  {{/info}}
56 56  
57 57  Start changing your java code on the fly: watch and start saving time.
58 58  
59 -[[image:JRebelWOLipsLog.png]]
47 +[[image:attach:JRebelWOLipsLog.png]]
60 60  
61 -* Profit (for the europeans: Extra Time Off)
49 +* Profit! (for the europeans: Extra Time Off!)
50 +
51 +== More information ==
52 +
53 +[[Old screencast from David Avendasora about using JRebel with Eclipse 3.4>>url:http://www.wocommunity.org/podcasts/WOJavaRebel_Setup.mov||shape="rect"]].