处理异常:The import org.apache.log4j cannot be resolved
pom.xml增加下面面这个 <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency>
pom.xml增加下面面这个 <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency>