maven 仓库 共有的仓库 http://uk.maven.org/maven2 http://maven.ibiblio.org/maven2 http://repo1.maven.org/maven2/ http://repository.jboss.com/maven2/ http://repository.sonatype.org/content/groups/public/ http://mirrors.ibiblio.org/pub/mirrors/maven2/org/acegisecurity/