This article focuses on the middle tier and the EIS tier.
本文主要关注中间层和EIS层。
Corresponding categories data is stored in an RDBMS at the EIS tier.
相应的种类数据存储在eis层的RDBMS中。
When configured as described above, the Derby database engine blurs the distinction between the Server tier and the EIS tier.
当按照以上描述完成配置之后，Derby数据库使应用程序服务器层与eis层之间的差别模糊化。
The Geronimo J2EE server is simply an assembly of specialized service configurations (Web tier, business tier, eis tier) and their associated specialized builders.
GeronimoJ2EE服务器只是专用服务配置（Web层、业务层和企业信息系统层）及其关联的专用构造器的一个程序集。
These client applications, often called fat-client solutions, still access business-tier EJBs and EIS-tier services hosted by Geronimo, like their thin-client counterparts.
这些客户机应用程序通常称为胖客户机解决方案，仍访问由geronimo托管的业务层ejb和eis层服务，与其瘦客户机对应物一样。
That is, the error BTLERR001: Business Tier Level Error matches the symptom EIS communication layer services not responding, and the solution Confirm EIS Service Layer is functional.
错误BTLERR001:BusinessTierLevelError匹配于症状EIScommunicationlayerservicesnot responding ，以及解决方案Confirm EISServiceLayer is functional 。
That is, the error BTLERR001: Business Tier Level Error matches the symptom EIS communication layer services not responding, and the solution Confirm EIS Service Layer is functional.
错误BTLERR001:BusinessTierLevelError匹配于症状EIScommunicationlayerservicesnot responding ，以及解决方案Confirm EISServiceLayer is functional 。
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