Disclaimer: This article is a blogger original article, shall not be reproduced without the bloggers allowed. https://blog.csdn.net/winnershili/article/details/85006872
1. Add context.xml file in the Eclipse Service in xmlBlockExternal = "false"
Because web.xml old project can not be resolved
&phone-servlet;
&phoneOnline-servlet;
and jre jre 2. tomcat7 the project are using version 1.7
Other versions or editions inconsistency will lead to error
java compiler version 3. Keep items 1.6
Startup parameters 3.jre in class due to the increase otherwise too much will result in an overflow
-server -Xms512m -Xmx1024m -XX:MaxPermSize=512m
4. Modify the database connection jdbc.properties