java.lang.ClassNotFoundException: edu.emory.mathcs.backport.java.util.concurrent.ConcurrentHashMap

 

spring2.5.jar

启动tomcat时 log4j debug信息:

2013.03.16 21:25:43 171 DEBUG ClassUtils(164):  Class [edu.emory.mathcs.backport.java.util.concurrent.ConcurrentHashMap] or one of its dependencies is not present: java.lang.ClassNotFoundException: edu.emory.mathcs.backport.java.util.concurrent.ConcurrentHashMap

 

经查,缺少backport-util-concurrent.jar

从目录:  spring-framework-2.5.5\lib\concurrent\backport-util-concurrent.jar

将backport-util-concurrent.jar copy到WEB-INF/lib中即可

 

 

 

 

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