编译错误：
error: error reading /root/.m2/repository/net/sf/ehcache/ehcache-core/2.4.3/ehcache-core-2.4.3.jar; error in opening zip file
Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile) on project edvie-ws-core: Compilation failure
error: error reading /root/.m2/repository/net/sf/ehcache/ehcache-core/2.4.3/ehcache-core-2.4.3.jar; error in opening zip file