我在用iplanet application server6.5的“sample applications”出现如下的错误

iplanet application server6.5安装好了不是有一个“sample applications”么，我运行这个，得到的是一个404错误的页面，然后我在iplanet web server4.1的D:\Netscape\Server4\https-zl1\logs的error文件中看到的这句话，我在多贴一些信息：
[01/Jul/2002:09:18:27] info (  752): successful server startup
[01/Jul/2002:09:18:30] info (  752): iPlanet-WebServer-Enterprise/4.1SP2 BB1-07/18/2000 04:13
[01/Jul/2002:09:18:35] info (  752): log.cpp:openPluginLog() reports: Environment variable IAS_PLUGIN_LOG_FILE is not set. All plugin messages will be logged in the web server log file[01/Jul/2002:09:18:35] info (  752): gxinit reports: Initializing...
[01/Jul/2002:09:18:35] info (  752): initialize.cpp:initialize() reports: Initializing iPlanet Application Server Web Plugin, version # 6.5
[01/Jul/2002:09:18:35] info (  752): ReadRegistry reports: DebugBreak is not set in env, continue with Initialization
[01/Jul/2002:09:18:35] info (  752): ReadRegistry reports: Entered ReadRegistry
[01/Jul/2002:09:18:35] warning (  752): LDAPServer reports: Could not connect to LDAP server on zl port 389...retrying
[01/Jul/2002:09:18:41] warning (  752): LDAPServer reports: Could not connect to LDAP server on zl port 389...retrying
[01/Jul/2002:09:18:49] warning (  752): LDAPServer reports: Could not connect to LDAP server on zl port 389...retrying
[01/Jul/2002:09:19:00] info (  752): LDAPServer reports: Connected to LDAP server on zl port 389
[01/Jul/2002:09:19:00] info (  752): loadCache reports: Initializing LDAP cache from server zl port 389
[01/Jul/2002:09:19:11] info (  752): loadCache reports: LDAP cache initialization completed successfully.
[01/Jul/2002:09:19:11] info (  752): ReadRegistry reports: Primary host [192.168.1.32:10818]
[01/Jul/2002:09:19:11] info (  752): ReadRegistry reports: sendRawPostData is 0 posttoken=HTTP_POST_BODY
[01/Jul/2002:09:19:11] info (  752): GXConnMgr reports: MaxConn objects: 1
[01/Jul/2002:09:19:11] info (  752): initialize.cpp:initialize() reports: Created new Conn
[01/Jul/2002:09:19:11] info (  752): initialize.cpp:initialize() reports: initialized logging service
[01/Jul/2002:09:19:11] info (  752): initialize.cpp:initialize() reports: initialized loadb service
[01/Jul/2002:09:19:11] info (  752): initialize.cpp:initialize() reports:  Initializing all FSMs
[01/Jul/2002:09:19:11] info (  752): initialize.cpp:initialize() reports: Leaving
[01/Jul/2002:09:19:11] info (  752): initialize.cpp:initialize() reports: The iAS WebConnector is ready to accept requests
[01/Jul/2002:09:19:53] info (  752): Loading Simple Session Manager by default. Specify MMapSessionManager in servlets.properties to load persistent session manager
[01/Jul/2002:09:19:53] info (  752): SimpleSessionManager: Default values for maximum number of sessions is 1000 with a time out value of 1800 seconds
[01/Jul/2002:09:19:53] info (  752): SimpleSessionManager: Maximum number of sessions (1000) with a time out value of (1800) seconds