关于Server Tomcat v9.0 Server at localhost failed to start.的分析
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关于Server Tomcat v9.0 Server at localhost failed to start.的分析
现象
控制台( Console)提示:
警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property ‘source’ to ‘org.eclipse.jst.jee.server:ServletTest2’ did not find a matching property.
分析
通过不断的尝试,我最终找到了原因:
在“映射servlet”的过程中由于和的值相同导致的。
<servlet-mapping> <servlet-name>MyServlet</servlet-name> <url-pattern>/MyServlet</url-pattern> </servlet-mapping>
解决方案
修改的值或者修改的值
这样就能启动Tomcat,正常运行程序了。
<servlet-mapping> <servlet-name>MyServlet</servlet-name> <url-pattern>/MyServlete</url-pattern> </servlet-mapping>
这里在提示关于错误
HTTP Status 500 - Error instantiating servlet class
这个错误的原因一般是的值(包名拼错)的问题。(还有可能是卡了,重启IDE。我认为有可能,因为我没能像第一次那样的重现这个错误。)
<servlet> <servlet-name>MyServlet</servlet-name> <servlet-class>com.mingrisoft.MyServlet</servlet-class> </servlet>
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