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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 30.1
edited by Johan Henselmans
on 2010/02/12 09:08
Change comment: There is no comment for this version

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1 -XWiki.kieran
1 +XWiki.johanhenselmans
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1 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 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 -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.
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 8  
9 -=== How to install and use JRebel ===
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/]]
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 +1. Download the Jrebel Eclipse Integration and perhaps the JRebel Eclipse Debugger Integration from install new Software,
15 +1. Make sure you have checked the JRebel Plugin in WOLips if you download the newest version.
16 +1. Goto to preferences->JRebel, and point the Path to jrebel.jar to the jrebel.jar location from action 2.
14 14  
15 -[[image:AddZeroTurnAround.png]]
16 -
17 -* Download the Jrebel Eclipse Integration and perhaps the JRebel Eclipse Debugger Integration from install new Software
18 -
19 -[[image:InstallSoftware.png]]
20 -
21 -* Make sure you have checked the JRebel Plugin in WOLips if you download the newest version.
22 -
23 -[[image:UpdateWOLipsWithJRebel.png]]
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.
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 -== How do you use it? ==
20 +How do you use it?
33 33  
34 34  Well that has become very simple since the inclusion of Quinton Dolan's JRebel plugin in WOLips.
35 35  
36 -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.
24 +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 37  
38 38  In the Run Configuration of a WOApplication you will notice an extra Tab, called JRebel.
39 39  
40 -Select the tab, and check the check boxes to enable JRebel Agent and (eventually) Enable debug logging.
28 +Select the tab, and check the check boxes to enable JRebel Agent and (eventually) Enable debug logging.
41 41  
42 -[[image:EnableJRebel.png]]
30 +Start you project from the Run Configuration.
43 43  
44 -Start you project from the Run Configuration.
32 +Suddenly, you will get messages about jrebel being loaded, and some extra information about what settings are available as extra arguments.
45 45  
46 -Suddenly, you will get messages about jrebel being loaded, and some extra information about what settings are available as extra arguments.
34 +Start changing your java code on the fly: watch and start saving time.
47 47  
48 -{{info}}
49 -
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 -
52 --XX:MaxPermSize=384m
53 -
54 -
55 -{{/info}}
56 -
57 -Start changing your java code on the fly: watch and start saving time.
58 -
59 -[[image:JRebelWOLipsLog.png]]
60 -
61 -* Profit (for the europeans: Extra Time Off)
36 +Profit! (for the europeans: Extra Time Off!)