GWT xml 模式
<servlet-mapping>
<servlet-name>userServlet</servlet-name>
**<url-pattern>/helloservers/userService</url-pattern>**
</servlet-mapping>
有人可以解释一下这个
“com.google.appengine.tools.development.LocalResourceFileServlet doGet 警告：找不到以下文件：/helloservers/userService”
我收到此错误。请解释为什么会出现此错误？可以采取哪些措施来纠正它？
<servlet-mapping>
<servlet-name>userServlet</servlet-name>
**<url-pattern>/helloservers/userService</url-pattern>**
</servlet-mapping>
Can some explain me what is the use of this <url-pattern> and why it is used?
"com.google.appengine.tools.development.LocalResourceFileServlet doGet
WARNING: No file found for: /helloservers/userService"
Am getting this error. Please explain why is comes? And what can be done to rectify it?
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您的网址由 LocalResourceFileServlet，即。服务器正在尝试在本地文件系统中查找静态文件 - 可能称为“userService”。
我可以想到两个可能的原因：
/helloservers/*的url-pattern。这将推翻您引用的 servlet 映射。如果是这种情况，您需要更改其中一个url-pattern以避免这种歧义。url-pattern中没有通配符时，GWT 中使用的 servlet 容器可能会自动使用LocalResourceFileServlet。在这种情况下，将url-pattern更改为/helloservers/userService/*并请求 url/helloservers/userService/fooYour URL is being served by LocalResourceFileServlet, ie. the server is trying to find a static file in your local file system - probably one called "userService".
I can think of two possible reasons for this:
url-patternlike/helloservers/*. This would overrule the servlet mapping you've quoted. If that's the case, you need to change one of theurl-patterns to avoid this ambiguity.LocalResourceFileServletwhen your servlet'surl-patternhas no wildcards in it. In that case, change theurl-patternto e.g./helloservers/userService/*and request e.g. the url/helloservers/userService/foo