The ear is packed as following
+ META-INF
| | ejb-jar.xml
| | MANIFEST.MF
| log4j.properties
| ejb3.jar
| + META-INF
| | MANIFEST.MF
| | persistence.xml
| + de
| + xxx
| | + business
| | + service
| | | BaseEntityService.class
| | | BaseEntityServiceImpl.class
| | + core
| | | CompanyServiceImpl.class
| | | ParameterHolderImpl.class
| | | ParameterServiceImpl.class
| | + interceptor
| | | | ParameterReloader.class
| | + interfaces
| | | CompanyService.class
| | | CompanyServiceLocal.class
| | | ParameterHolder.class
| | | ParameterHolderLocal.class
| | | ParameterService.class
| | | ParameterServiceLocal.class
| | + persistence
| | + entity
| | | | BaseEntity.class
| | | | Entity.class (Interface)
| | | + core
| | | | Company.class
| | | | Parameter.class
| | + utils
| | | .... unimportant