maven构建springmvc过程中遇到的一些问题

1.spring的配置文件，xsd不要配版本号

2.spring配置datasource的三种方式

3.springmvc与spring扫描注解的冲突

4.NoClassDefFoundError: org/springframework/jdbc/datasource/TransactionAwareDataSourceProxy
http://blog.csdn.net/guoweimelon/article/details/50810101

5.maven run on server : 404/warning
properties-> deployment assembly

6.web.xml is missing and <failOnMissingWebXml> is set to true
https://stackoverflow.com/questions/31835033/web-xml-is-missing-and-failonmissingwebxml-is-set-to-true

7.Invalid byte tag in constant pool: 15
https://stackoverflow.com/questions/6751920/tomcat-7-servlet-3-0-invalid-byte-tag-in-constant-pool
https://www.mkyong.com/tomcat/tomcat-7-java-8-invalid-byte-tag-in-constant-pool-15/