问题：

HTTP Status 500 - Request processing failed; nested exception is java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for

命名空间的全限定名没有错，配置文件也没有错：直接运行的时候没有错误，但是打包部署运行后却报错了 pom.xml文件中缺少 <build> <finalName>maven-ssm</finalName> <resources> <resource> <directory>src/main/resources</directory> <includes> <include>**/*.properties</include> <include>**/*.xml</include> <include>**/*.tld</include> </includes> <filtering>false</filtering> </resource> <resource> <directory>src/main/java</directory> <includes> <include>**/*.properties</include> <include>**/*.xml</include> <include>**/*.tld</include> </includes> <filtering>false</filtering> </resource> </resources> </build> 这样才能将配置文件打包到war包中