hibernate-entitymanager 4.3.0.Final can't load META-INF/orm.xml on windows in jpa mode.
in NonClassFileArchiveEntryHandler.java:
line 67:

if ( entry.getName().endsWith( "META-INF/orm.xml" ) ) {

windows file endsWith "META-INF\orm.xml",so this xml file can't be load.
replace getName with getNameWithinArchive works fine.