struts2的“The file cannot be validated as the host "struts.apache.org" is currently unreachable"问题解决
2018-04-09 10:30
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struts2的“The file cannot be validated as the host "struts.apache.org" is currently unreachable"问题解决
出现该问题的原因是缺少相应的.dtd文件的支持。解决方法：通过手工添加dtd的支持
同时在MyEclipse中 struts.xml配制文件中alt+/不支持提示,这时也可通过手工添加dtd的支持解决在Myeclipse中菜单栏window->preference->Myeclipse->file and eiditor->xml->xml catalog->add1)Location：在struts2文件夹下的lib目录，找到struts2-core文件并解压，打开解压的目录下即可找到struts2.3.dtd 。这里location就选中该文件。
2)Key Type：选中URI
3)Key : 在struts.xml中有<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration2.3//EN" "http://struts.apache.org/dtds/struts-2.3.dtd">复制其中的：http://struts.apache.org/dtds/struts-2.3.dtd 粘贴到key。到此基本可以解决该问题。参考：网上资料整合
出现该问题的原因是缺少相应的.dtd文件的支持。解决方法：通过手工添加dtd的支持
同时在MyEclipse中 struts.xml配制文件中alt+/不支持提示,这时也可通过手工添加dtd的支持解决在Myeclipse中菜单栏window->preference->Myeclipse->file and eiditor->xml->xml catalog->add1)Location：在struts2文件夹下的lib目录，找到struts2-core文件并解压，打开解压的目录下即可找到struts2.3.dtd 。这里location就选中该文件。
2)Key Type：选中URI
3)Key : 在struts.xml中有<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration2.3//EN" "http://struts.apache.org/dtds/struts-2.3.dtd">复制其中的：http://struts.apache.org/dtds/struts-2.3.dtd 粘贴到key。到此基本可以解决该问题。参考：网上资料整合
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