java web 与tomcat

012-11-13 20:20:35 org.apache.catalina.core.AprLifecycleListener init
信息: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: D:\Program Files\Java\jdk1.6.0_21\bin;E:\TDDOWNLOAD\plugins\com.genuitec.eclipse.easie.tomcat.myeclipse_7.5.0.zmyeclipse75020090612\tomcat\bin
怎么解决呀