Could not load ehcache-version.properties

http://stackoverflow.com/questions/18685287/error-when-starting-project-exception-in-thread-net-sf-ehcache-cachemanager4e

http://grepcode.com/file/repo1.maven.org/maven2/net.sf.ehcache/ehcache/1.6.2/net/sf/ehcache/CacheManager.java

net.sf.ehcache.CacheManager

似乎与mysql-connector-java有关，或者与hibernate的机制有关，待研究。