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Last modified by Pascal Robert on 2023/08/10 22:21
From version 117.1
edited by David Avendasora
on 2010/11/29 20:02
Change comment: There is no comment for this version
To version 120.1
edited by David Avendasora
on 2010/11/29 20:09
Change comment: There is no comment for this version

Summary

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34 34  
35 35  === Major Improvements over Apple's versions ===
36 36  
37 +==== Automatic archive of SiteConfig.xml ====
38 +
39 +On every change you make to an application's configuration, a backup of SiteConfig.xml will be created in, by default, /Library/WebObjects/Configuration.
40 +
41 +==== Simplified/Automated Bouncing ====
42 +
43 +In the "list instances" page, you get a "Bounce" action link. This action only work if you have at least one active instance and one inactive. What it does is :
44 +
45 +* Find the inactive (eg : not started) instance and start it
46 +* Find the active instances (minus the one started the step below) and enable "Refuse New Session"
47 +* Bounce the active instances when the minimum session count is reached
48 +
49 +This feature, from Pascal's understanding, allows you to upload new versions of your application, start up the new version and refuse sessions for the instances running on the older version.
50 +
51 +{{note}}
52 +
53 +How this will work if your new version uses ERXMigrations to change your schema (e.g., The old instances might raise exceptions because the database schema changed), so try it out on a test server first and then update this page so everyone knows!
54 +
55 +{{/note}}
56 +
37 37  ==== Statistics ====
38 38  
39 39  If you call [[http://monitorhost:port/cgi-bin/WebObjects/JavaMonitor.woa/wa/statistics]], the answer send you back statistics, in JSON format, about instances, per application. Sample :
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123 123  ///stop// : stop an application/instance the normal way.
124 124  ///start// : start an application/instance the normal way.
125 125  
126 -==== Automatic archive of SiteConfig.xml ====
127 -
128 -On every change you do to the configuration, a backup of SiteConfig.xml will be done in, by default, /Library/WebObjects/Configuration.
129 -
130 -==== Simplified/Automated Bouncing ====
131 -
132 -In the "list instances" page, you get a "Bounce" action link. This action only work if you have at least one active instance and one inactive. What it does is :
133 -
134 -* Find the inactive (eg : not started) instance and start it
135 -* Find the active instances (minus the one started the step below) and enable "Refuse New Session"
136 -* Bounce the active instances when the minimum session count is reached
137 -
138 -This feature, from my understanding, allow you to upload new versions of your app, start up the new version and refuse sessions for the instances running on the older version. I don't know how this will work if your new version use migrations to change your schema (eg : old instances might raise exceptions because of database schema changes), so try it out on a test server before and put your results here.
139 -
140 140  ==== Remote Control via REST Routes ====
141 141  
142 142  On September 28th 2010, REST routes were added in JavaMonitor. Those routes + the direct actions explained in this document allow you to control almost everything remotely (make sure that your JavaMonitor installation is secure). As the direct actions, append //?pw=XXXX// to the URLs if JavaMonitor is password protected.