SSH中常见jar包缺少错误

java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
　　Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory

此问题是由于缺少commons-logging.jar造成的(在spring中可以找到相应jar包)

——————————————————————————————————————————————————————————————————————————

java.lang.NoClassDefFoundError: edu/emory/mathcs/backport/java/util/concurrent/BlockingQueue
　　Caused by: java.lang.ClassNotFoundException: edu.emory.mathcs.backport.java.util.concurrent.BlockingQueue

此错误是由于缺少backport-util-concurrent.jar造成的(在spring中可以找到相应jar包)