2008/2/27, Yung-Luen Lan <[EMAIL PROTECTED]>:
>
> Hi all,
>
> I'm a newbie of both WebObjects and server programming who is responsible
> to maintain a WO project left by other guy several years ago. I've added
> some features and tested in Eclipse. However, during these year, I always
> encountered a problem when I want to update the ERExtensions.framework in
> /Library/Frameworks.
>
> When I replace the original ERExtensions.framework (whose version is
> believed ≤ Project WONDER 3) with new one, I got the exception:
Do you also replace ERJar.framework?
Exception in thread "main" java.lang.ExceptionInInitializerError
> Caused by: java.lang.NullPointerException
> at org.apache.log4j.Hierarchy.getLogger(Hierarchy.java:271)
> at org.apache.log4j.LogManager.getLogger(LogManager.java:220)
> at org.apache.log4j.Logger.getLogger(Logger.java:156)
> at er.extensions.ERXLogger.getLogger(ERXLogger.java:111)
> at er.extensions.ERXLogger.getERXLogger(ERXLogger.java:91)
> at er.extensions.ERXLogger.getERXLogger(ERXLogger.java:121)
> at woserver.Application.<clinit>(Application.java:25)
>
> And that's the very first line of my project.
>
> public class Application extends ERXApplication {
> public static final ERXLogger log = ERXLogger.getERXLogger(
> Application.class);
>
> I've my Properties file configured like this:
>
> ==== BEGIN OF PART OF MY PROPERTIES FILE ====
> er.extensions.ERXLocalizer.frameworkSearchPath = (app,ERExtensions)
> er.extensions.ERXLocalizer.defaultLanguage = English
> er.extensions.ERXLocalizer.availableLanguages = (English, Chinese)
>
> ### Enterprise Objects ###
> er.extensions.ERXRaiseOnMissingEditingContextDelegate = false
>
> ### Application Name ###
> er.extensions.ERXApplicationHostURL = localhost
>
> #########################################################################
> # Log4j Configuration
> #########################################################################
> log4j.rootLogger = INFO, A1, A2
> log4j.loggerFactory=er.extensions.ERXLogger$Factory
>
> # Appenders
> log4j.appender.A1 = org.apache.log4j.ConsoleAppender
>
> log4j.appender.A2 = org.apache.log4j.DailyRollingFileAppender
> log4j.appender.A2.datePattern='.'yyyy-MM-dd
> log4j.appender.A2.append = true
> log4j.appender.A2.File = /var/log/woproject/woproject.log
>
> # A1, A2 uses PatternLayout.
> log4j.appender.A1.layout = er.extensions.ERXPatternLayout
> log4j.appender.A2.layout = er.extensions.ERXPatternLayout
>
> # This pattern will produce logs that look like:
> # 2002-06-18 17:46:18,292 MyAppName[4002:9133 0] MyCategory (MyClass.java:40)
> - Some log
> log4j.appender.A1.layout.ConversionPattern = %d{ISO8601} %-5p %W{n[i:p s]}
> %c{1} (%F:%L) %x - %m%n
> log4j.appender.A2.layout.ConversionPattern = %d{ISO8601} %-5p %W{n[i:p s]}
> %c{1} (%F:%L) %x - %m%n
>
> # Note that %F and %L is fairly slow and shouldn't be used in performance
> intensive logging
>
> ########################################################################
> # Custom Categories - These are the main categories and sub categories
> # that are used in frameworks.
> ########################################################################
>
> # Base Category
> log4j.logger.er = INFO
> log4j.logger.er.extensions.ERXNSLogLog4jBridge = INFO
> log4j.additivity.er.extensions.ERXNSLogLog4jBridge = false
>
> log4j.logger.er.changenotification = INFO
> ==== END OF PART OF MY PROPERTIES FILE ====
>
> Hence, I must copy the old ERExtensions to a new environment every time.
> Did I miss something?
>
> An extra question: when you add some features to your wo project, how do
> you stop the current running wo server and start the new one? I don't know
> how to do this so I run my server inside eclipse. I know it's stupid, but I
> couldn't find the answer. Maybe it's too basic to document?
Not a stupid question: look at the bottom panels, and select the Console one
(if you are running WO app in development, WOLips changes it to show logs)
at the top of the panel, you can see a little red square. You can stop the
current app by clicking on it. It's not very visible, I've passed months
before notice it, when I've started working on Eclipse.
Regards,
> yllan
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--
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--Alistair Young
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