Thank you. This lets me put my own LoggerRepository in as the default. But how
do I create my LoggerRepository that does the same things as the default
LoggerRepository, but includes the UnrecognizedElementHandler? Does this?
public LoggerRepository() implements UnrecognizedElementHandler {
public parseUnrecognizedElement(...) { ... }
}
Does the implemented class do everything the default does though I haven't
overridden methods?
Thank you,
Jay Turner
-----Original Message-----
From: Scott Deboy [mailto:[email protected]]
Sent: Friday, July 15, 2011 5:19 PM
To: Log4J Users List
Subject: Re: I need to handle log4j:WARN Unrecognized element param
Here's how Chainsaw does it:
1. Create your own LoggerRepository implementation that implements
unrecognizedelementhandler (Chainsaw uses LoggerRepositoryExImpl from the
components companion).
LogManager.setRepositorySelector(new RepositorySelector() {
public LoggerRepository getLoggerRepository() {
return repositoryExImpl;
}}, repositorySelectorGuard);
Then you can call DOMConfigurator.configure and it'll pass those
unrecognized elements to your repository selector impl.
Scott
On Fri, Jul 15, 2011 at 3:02 PM, Turner, Jay
<[email protected]>wrote:
> I get "log4j:WARN Unrecognized element param" because we have some extra
> entries in the log4j 1.2.15 XML configuration file at the root level.
>
> The code uses
> DOMConfigurator configurator = new DOMConfigurator();
> configurator.doConfigure(inputStream,
> org.apache.log4j.LogManager.getLoggerRepository());
>
> The LoggerRepository returned doesn't implement UnrecognizedElementHandler
> (or at least not that I know how to connect to it).
> I thought of using
> class ExtendedLoggerRepository extends
> org.apache.log4j.LoggerRepositoryExImpl {
> public boolean parseUnrecognizedElement(
> org.w3c.dom.Element element,
> java.util.Properties props)
> throws java.lang.Exception {
> // My code
> }
> }
> configurator.doConfigure(
> inputStream,
> new
> ExtendedLoggerRepository(org.apache.log4j.LogManager.getLoggerRepository()));
>
> But my IntelliJ says that LoggerRepositoryExImpl, which is a public final
> class, is not in that package nor the spi subpackage.
>
> What is the right way of using the default logger repository but hooking in
> so that I can parse extra parameters as in:
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
> <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/";
> debug="true">
> <param name="somename" value="somevalue"/>
> :
>
> Thank you,
> Jay Turner
>
>
>
>
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