在Eclipse中启动Tomcat出现错误解决方法

在Eclipse中启动Tomcat出现如下错误：

信息: The Apache Tomcat Native library which allows optimal performance in produ
ction environments was not found on the java.library.path:

解决方法是：将Apache Software Foundation\Tomcat 6.0\bin目录下的tcnative-1.dll文件复制到Java\jdk1.7.0_04\bin目录下。