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Dynamically Enable/Disable WebObjects SQL Logging

Sometimes you want to log generated SQL selectively, so popping -DEOAdaptorDebugEnabled=true on the command line of your app is verbose overkill. Here's how you can selectively enable and disable SQL logging:

NSLog.allowDebugLoggingForGroups(0x10000L);
// Do something that roundtrips the DB, like editingContext.saveChanges().
NSLog.refuseDebugLoggingForGroups(0x10000L);

Configure Log4J in a WebObjects app

(new DOMConfigurator()).doConfigure(resourceManager().inputStreamForResourceNamed("log4j.xml", "app", null), LogManager.getLoggerRepository());

Dynamically enable D2WTraceRuleFiringEnabled

NSLog.debug.setAllowedDebugLevel(NSLog.DebugLevelDetailed);
NSLog.allowDebugLoggingForGroups(NSLog.DebugGroupRules);
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