BIEE 10g 报 “500 Internal Server Error”错误

环境： win7 32位 + BIEE 10g

现象：BI SERVER和 Presentation Server 都能正常启动了，可以为什么在打开前台页面http://6uhbvy2vcxfldkv:9704/analytics/ 会出错?

相关日志信息：
1. BI SERVER( NQServer.log )：
2014-12-08 10:40:38

[36007] Loading repository C:\OracleBI\server\Repository\samplesales.rpd.

2014-12-08 10:40:39

[14055] Loading subject area: Sample Sales ...

2014-12-08 10:40:40

[14056] Finished loading subject area: Sample Sales.

2014-12-08 10:40:40

[58002] Query Cache loaded with 0 entries from saved cache files.

2014-12-08 10:40:40

[43030] : Oracle BI Server started. Version: 10.1.3.4.1.090414.1900.

2.Presentation Server(sawlog0.log)
---------------------------------------
Type: Warning
Severity: 30
Time: Mon Dec 08 10:40:51 2014
File: project/websubsystems/webextensionbase.cpp Line: 380
Properties: ThreadID-3408
Location:
saw.webextensionbase.init.workstationCheck
saw.webextensionbase.init
saw.sawserver
saw.sawserver.initializesawserver
saw.threads

WARNING: The Oracle BI Presentation Server is running on a workstation class machine (Windows 2000 Workstation, Windows XP Professional, etc.). Number of concurrent users may be severely limited by the operating system.
---------------------------------------
Type: Information
Severity: 30
Time: Mon Dec 08 10:41:02 2014
File: project/sawserver/sawserver.cpp Line: 459
Properties: ThreadID-3408
Location:
saw.sawserver
saw.sawserver.initializesawserver
saw.threads

Oracle BI Presentation Services have started successfully.
---------------------------------------