weblogic起动server时报错SLF4J: Class path contains multiple SLF4J bindings

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SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/u01/app/Middleware/modules/org.slf4j.jdk14_1.6.1.0.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [zip:/u01/app/Middleware/user_projects/domains/ql_domain/servers/ys/stage/Plat/Plat/WEB-INF/lib/slf4j-log4j12-1.6.6.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]

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weblogic中org.slf4j.jdk14_1.6.1.0.jar和

项目中的slf4j-log4j12-1.6.6.jar中的类冲突了

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配置weblogic.xml

<?xml version="1.0" encoding="UTF-8"?>
<weblogic-web-app>
	<container-descriptor>
		<prefer-web-inf-classes>false</prefer-web-inf-classes>
		<prefer-application-packages>
			<package-name>org.slf4j</package-name>
		</prefer-application-packages>
	</container-descriptor>
</weblogic-web-app> 

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参考：

http://stackoverflow.com/questions/9734503/prevent-weblogic-12c-from-using-systems-slf4j-binding

http://blog.csdn.net/newlaide/article/details/7863906