我的MyEclipse在导入了servlet包后tomcat启动出现警告了，求大神讲解一下

[zp9728]

警告: The XML schema [XMLSchema.dtd] could not be found. This is very likely to break XML validation if XML validation is enabled.
十月 24, 2016 5:38:29 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [datatypes.dtd] could not be found. This is very likely to break XML validation if XML validation is enabled.
十月 24, 2016 5:38:29 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [xml.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
十月 24, 2016 5:38:29 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [web-app_2_2.dtd] could not be found. This is very likely to break XML validation if XML validation is enabled.
十月 24, 2016 5:38:29 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [web-app_2_3.dtd] could not be found. This is very likely to break XML validation if XML validation is enabled.
十月 24, 2016 5:38:29 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [j2ee_web_services_1_1.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
十月 24, 2016 5:38:29 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [j2ee_web_services_client_1_1.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
十月 24, 2016 5:38:29 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [web-app_2_4.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
十月 24, 2016 5:38:29 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [j2ee_1_4.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
十月 24, 2016 5:38:29 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [web-app_2_5.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
十月 24, 2016 5:38:29 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [javaee_5.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
十月 24, 2016 5:38:29 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [javaee_web_services_1_2.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
十月 24, 2016 5:38:29 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [javaee_web_services_client_1_2.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.

占深 2016/10/24 星期一 18:00:33

[幺客]

myeclipse 没怎么用过，大概猜一下，可能是因为，你的xml里的头文件的配置文件dtd，xsd之类的找不到，你试试重新关联一下。

[zp9728]

引用 1 楼 Ice_trying的回复:

myeclipse 没怎么用过，大概猜一下，可能是因为，你的xml里的头文件的配置文件dtd，xsd之类的找不到，你试试重新关联一下。

具体怎么配置呢。。。。。。