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Re: [pS-dev] WebAdmin - Developers Guide - integration with other java services


Chronological Thread 
  • From: Candido Rodriguez Montes <>
  • To: Wiktor Procyk <>
  • Cc:
  • Subject: Re: [pS-dev] WebAdmin - Developers Guide - integration with other java services
  • Date: Thu, 18 Feb 2010 15:19:20 +0100

Hi Wiktor,
I started to integrate the WA within the AS but I've got this problem when executing "prepare-war-structure":
$ ant prepare-war-structure
Buildfile: build.xml
Trying to override old definition of datatype resources

waschema:

compile:
   [depend] Deleted 7 out of date files in 0 seconds
    [javac] Compiling 56 source files to /Users/Kan/Projects/workspace/GEANT-pS2/ps-mdm-web-admin/build/class
    [javac] /Users/Kan/Projects/workspace/GEANT-pS2/ps-mdm-web-admin/src/main/java/org/perfsonar/webadmin/base2/test/SOAPClient.java:40: cannot access net.jcip.annotations.GuardedBy
    [javac] file net/jcip/annotations/GuardedBy.class not found
    [javac] HttpClient httpclient = new DefaultHttpClient();
    [javac]                                         ^

BUILD FAILED

Any idea?

Regards

On Feb 10, 2010, at 12:19 PM, Wiktor Procyk wrote:

WebAdmin - Developers Guide

WebAdmin is web based tool for editing config files required to configure other java perfSonar services .

1. Obtaining sources and compiling

The most current version of WebAdmin is available in SVN at branches/new-structure-with-base2/ps-mdm-web-admin

In spite it is intended to use maven in the whole perfSonar set of tools, WebAdmin still uses ant script. To properly compile and build working war package it is required to run "get-repo" and then "prepare-war-structure". Complete structure of compiled WebAdmin is placed in build directory

2. Structure of WA application

\
|-META-INF
|-wa
|-WEB-INF
|   |-classes
|   |   |-perfsonar
|   |   |   \ conf
|   |   |      |-configuration.xml
|   |   |      \ webAdminConfig.xml
|   |   \ log4j.properties
|   |-lib
|   \ web.xml
\ index.jsp


Directory/files tree above presents main path/files which have to be accessed during integration.

3. Integration with other perfSonar java service

3a. Required files

To integrate WebAdmin with other java perfsonar service it is required to copy to its structure following directories/files:
- directory \wa
- directory \WEB-INF\classes\perfsonar
- directory \WEB-INF\lib
- file index.jsp

Please be careful and NOT overwrite your own log4j settings by just copying \WEB-INF\classes\log4j.properties file.

In the case that WebAdmin and other java perfsonar service use the same java library (*.jar file located in \WEB-INF\lib) copying can cause warnings notifying about overwriting file - it is nothing wrong when such a message occurs.
It is recommended to check if the same library does NOT occur two times with different versions numbers; in such case the older one should be deleted, because it cane cause some errors and instability.

3b. Required changes

WebAdmin is supposed to be used for editing configuration file of other java perfsonar service - this file is \WEB-INF\classes\perfsonar\conf\configuration.xml . To tailor WebAdmin to specyfic java perfsonar service needs it is required to edit \WEB-INF\classes\perfsonar\conf\webAdminConfig.xml . This file is responsible for the structure of forms on the web (links Service settings and Advanced service settings). It contains also valid username and password used to initial authorization. Default parameters values should be placed in configuration.xml file. Every time setting webpage is requested basing on webAdminConfig.xml file form is build and filled in with values from configuration.xml file. After editing when we press Submit button configuration.xml file is rewriten to reflect made changes.
It is also required to concatenate contents of web.xml files in both services (WebAdmin and other java perfsonar service) and put the result in the structure of other java perfsonar service. By concatenating I mean to copy all the text between <webapp> and </webapp> marks from WebAdmin \WEB-INF\web.xml file and paste copied text before closing </webapp> mark in other java perfsonar service in \WEB-INF\web.xml file.




--
Cándido Rodríguez Montes E-mail: 
Middleware warrior Tel:+34 955 05 66 13
Red.ES/RedIRIS
Edificio CICA
Avenida Reina Mercedes, s/n
41012 Sevilla
SPAIN







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