How presentation server and BI server will communicate

hi
i have a question that how the bi server and presentation server will communicate
Thanks
Sreedhar

Hi,
Refer this link... http://www.ealliancebusinessintelligence.com/obiee_architecture.php
http://gerardnico.com/wiki/dat/obiee/obiee_overview
http://gerardnico.com/wiki/dat/obiee/bi_server
Might be helpful
Thanks,
Srikanth

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[2012-08-22T14:29:47.000-05:00] [OBIPS] [ERROR:16] [] [saw.dms.conext.unwrap] [ecid: 004lvOK0SKHCwkYzLoePOA00014t000001,0:29] [tid: 1107712320] Failed to restore ctx from reference[[
File:executioncontext.cpp
Line:286
Location:
saw.dms.conext.unwrap
saw.threadpool
saw.threads
ecid: 004lvOK0SKHCwkYzLoePOA00014t000001,0:29
ThreadID: 1107712320
[2012-08-22T14:29:47.000-05:00] [OBIPS] [NOTIFICATION:1] [] [saw.rpc.server.listen] [ecid: 004lvOK0SKHCwkYzLoePOA00014t000001,0] [tid: ] Server shutdown initiated by OPMN.[[
File:socketrpcserver.cpp
Line:818
Location:
saw.rpc.server.listen
saw.sawserver
ecid: 004lvOK0SKHCwkYzLoePOA00014t000001,0
[2012-08-22T14:29:47.000-05:00] [OBIPS] [NOTIFICATION:1] [] [saw.sawserver] [ecid: 004lvOK0SKHCwkYzLoePOA00014t000001,0] [tid: ] Oracle BI Presentation Services are shutting down.[[
File:sawserver.cpp
Line:712
Location:
saw.sawserver
ecid: 004lvOK0SKHCwkYzLoePOA00014t000001,0
[2012-08-22T14:30:33.000-05:00] [OBIPS] [NOTIFICATION:1] [] [saw.sawserver] [ecid: ] [tid: ] Oracle BI Presentation Services (OBIPS) 11.1.1.5.0 (Build 120325.0800 BP2 64-bit) are starting up.[[
File:sawserver.cpp
Line:465
Location:
saw.sawserver
ecid:
[2012-08-22T14:30:35.000-05:00] [OBIPS] [NOTIFICATION:1] [] [saw.sawserver] [ecid: ] [tid: ] Oracle BI Presentation Services are shutting down.[[
File:sawserver.cpp
Line:712
Location:
saw.sawserver
ecid:
[2012-08-22T14:30:41.000-05:00] [OBIPS] [NOTIFICATION:1] [] [saw.sawserver] [ecid: ] [tid: ] Oracle BI Presentation Services (OBIPS) 11.1.1.5.0 (Build 120325.0800 BP2 64-bit) are starting up.[[
File:sawserver.cpp
Line:465
Location:
saw.sawserver
ecid:
[2012-08-22T14:30:41.000-05:00] [OBIPS] [NOTIFICATION:1] [] [saw.sawserver] [ecid: ] [tid: ] Oracle BI Presentation Services are shutting down.[[
File:sawserver.cpp
Line:712
Location:
saw.sawserver
ecid:
]]

Alas, although out-of-sync GUIDs fit all of the clues, that wasn't the answer.
The problem still exists. Here's the relevant portion of the opmn.log file.
These first five sections represent an attempted start of all services in Fusion Middleware by clicking Start All
Request 1fa starts the BI Server successfully.
Request 1fb starts the BI Scheduler successfully.
Request 1fc attempts to start the Presentation Server but fails.
Request 1fd starts the Java Host successfully.
Request 1fe starts the Cluster Controller successfully.
So the Presentation Server will not start automatically as a part of Start All.
However, manually clicking 'Start Selected' for the Presentation Server (request 236 below) starts the service. So the short version is that we can start it manually, but not as a part of Start All.
[2012-08-23T16:03:58][opmn][TRACE:1][667][OPMN]Request 1fa Started. Command: /start?ias-component=coreapplication_obis1
[2012-08-23T16:03:58][opmn][TRACE:1][662][OPMN][code:pm-process]Starting Process: coreapplication_obis1~OracleBIServerComponent~coreapplication_obis1~1 (1181693061:0)
[2012-08-23T16:03:59][opmn][TRACE:1][][OPMN][code:libopmncustom]Process Ping Failed: coreapplication_obis1~OracleBIServerComponent~coreapplication_obis1~1 (1181693061:8643) [No addresses for the request.]
[2012-08-23T16:03:59][opmn][TRACE:1][][OPMN][code:libopmncustom]Process Ping Failed: coreapplication_obis1~OracleBIServerComponent~coreapplication_obis1~1 (1181693061:8643)
[2012-08-23T16:03:59][opmn][TRACE:1][][OPMN][code:libopmncustom]Ping failed in Ready callback for proc:1181693061
[2012-08-23T16:04:01][opmn][TRACE:1][665][OPMN][code:pm-process]Process Alive: coreapplication_obis1~OracleBIServerComponent~coreapplication_obis1~1 (1181693061:8643)
[2012-08-23T16:04:01][opmn][TRACE:1][668][OPMN][code:pm-requests]Request 1fa Completed. Command: /start?ias-component=coreapplication_obis1
[2012-08-23T16:04:01][opmn][TRACE:1][667][OPMN][code:pm-requests]Request 1fb Started. Command: /start?ias-component=coreapplication_obisch1
[2012-08-23T16:04:01][opmn][TRACE:1][662][OPMN][code:pm-process]Starting Process: coreapplication_obisch1~OracleBISchedulerComponent~coreapplication_obisch1~1 (1181693062:0)
[2012-08-23T16:04:03][opmn][TRACE:1][665][OPMN][code:pm-process]Process Alive: coreapplication_obisch1~OracleBISchedulerComponent~coreapplication_obisch1~1 (1181693062:8995)
[2012-08-23T16:04:03][opmn][TRACE:1][668][OPMN][code:pm-requests]Request 1fb Completed. Command: /start?ias-component=coreapplication_obisch1
[2012-08-23T16:04:03][opmn][TRACE:1][667][OPMN][code:pm-requests]Request 1fc Started. Command: /start?ias-component=coreapplication_obips1
[2012-08-23T16:04:03][opmn][TRACE:1][662][OPMN][code:pm-process]Starting Process: coreapplication_obips1~OracleBIPresentationServicesComponent~coreapplication_obips1~1 (1181693063:0)
[2012-08-23T16:04:05][opmn][TRACE:1][][OPMN][code:libopmncustom]Process Ping Failed: coreapplication_obips1~OracleBIPresentationServicesComponent~coreapplication_obips1~1 (1181693063:9021) [No addresses matched the properties for the request.]
[2012-08-23T16:04:05][opmn][TRACE:1][][OPMN][code:libopmncustom]Process Ping Failed: coreapplication_obips1~OracleBIPresentationServicesComponent~coreapplication_obips1~1 (1181693063:9021)
[2012-08-23T16:04:05][opmn][TRACE:1][][OPMN][code:libopmncustom]Ping failed in Ready callback for proc:1181693063
[2012-08-23T16:04:07][opmn][TRACE:1][][OPMN][code:libopmncustom]Process Ping Failed: coreapplication_obips1~OracleBIPresentationServicesComponent~coreapplication_obips1~1 (1181693063:9021) [No addresses matched the properties for the request.]
[2012-08-23T16:04:07][opmn][TRACE:1][][OPMN][code:libopmncustom]Process Ping Failed: coreapplication_obips1~OracleBIPresentationServicesComponent~coreapplication_obips1~1 (1181693063:9021)
[2012-08-23T16:04:07][opmn][TRACE:1][][OPMN][code:libopmncustom]Ping failed in Ready callback for proc:1181693063
[2012-08-23T16:04:09][opmn][TRACE:1][662][OPMN][code:pm-process]Starting Process: coreapplication_obips1~OracleBIPresentationServicesComponent~coreapplication_obips1~1 (1181693063:0)
[2012-08-23T16:04:11][opmn][TRACE:1][][OPMN][code:libopmncustom]Process Ping Failed: coreapplication_obips1~OracleBIPresentationServicesComponent~coreapplication_obips1~1 (1181693063:9043) [No addresses matched the properties for the request.]
[2012-08-23T16:04:11][opmn][TRACE:1][][OPMN][code:libopmncustom]Process Ping Failed: coreapplication_obips1~OracleBIPresentationServicesComponent~coreapplication_obips1~1 (1181693063:9043)
[2012-08-23T16:04:11][opmn][TRACE:1][][OPMN][code:libopmncustom]Ping failed in Ready callback for proc:1181693063
[2012-08-23T16:04:13][opmn][TRACE:1][668][OPMN][code:pm-requests]Request 1fc Completed. Command: /start?ias-component=coreapplication_obips1
[2012-08-23T16:04:13][opmn][TRACE:1][][OPMN][code:libopmncustom]Process Ping Failed: coreapplication_obips1~OracleBIPresentationServicesComponent~coreapplication_obips1~1 (1181693063:9043) [No addresses matched the properties for the request.]
[2012-08-23T16:04:13][opmn][TRACE:1][][OPMN][code:libopmncustom]Process Ping Failed: coreapplication_obips1~OracleBIPresentationServicesComponent~coreapplication_obips1~1 (1181693063:9043)
[2012-08-23T16:04:13][opmn][TRACE:1][][OPMN][code:libopmncustom]Ping failed in Ready callback for proc:1181693063
[2012-08-23T16:04:14][opmn][TRACE:1][667][OPMN][code:pm-requests]Request 1fd Started. Command: /start?ias-component=coreapplication_obijh1
[2012-08-23T16:04:14][opmn][TRACE:1][662][OPMN][code:pm-process]Starting Process: coreapplication_obijh1~OracleBIJavaHostComponent~coreapplication_obijh1~1 (1181693064:0)
[2012-08-23T16:04:16][opmn][TRACE:1][665][OPMN][code:pm-process]Process Alive: coreapplication_obijh1~OracleBIJavaHostComponent~coreapplication_obijh1~1 (1181693064:9053)
[2012-08-23T16:04:16][opmn][TRACE:1][668][OPMN][code:pm-requests]Request 1fd Completed. Command: /start?ias-component=coreapplication_obijh1
[2012-08-23T16:04:16][opmn][TRACE:1][667][OPMN][code:pm-requests]Request 1fe Started. Command: /start?ias-component=coreapplication_obiccs1
[2012-08-23T16:04:16][opmn][TRACE:1][662][OPMN][code:pm-process]Starting Process: coreapplication_obiccs1~OracleBIClusterControllerComponent~BIClusterController~1 (1181693065:0)
[2012-08-23T16:04:18][opmn][TRACE:1][665][OPMN][code:pm-process]Process Alive: coreapplication_obiccs1~OracleBIClusterControllerComponent~BIClusterController~1 (1181693065:9079)
[2012-08-23T16:04:18][opmn][TRACE:1][668][OPMN][code:pm-requests]Request 1fe Completed. Command: /start?ias-component=coreapplication_obiccs1
[2012-08-23T16:04:53][opmn][TRACE:1][667][OPMN][code:pm-requests]Request 236 Started. Command: /start?ias-component=coreapplication_obips1
[2012-08-23T16:04:53][opmn][TRACE:1][662][OPMN][code:pm-process]Starting Process: coreapplication_obips1~OracleBIPresentationServicesComponent~coreapplication_obips1~1 (1181693066:0)
[2012-08-23T16:04:54][opmn][TRACE:1][][OPMN][code:libopmncustom]Process Ping Failed: coreapplication_obips1~OracleBIPresentationServicesComponent~coreapplication_obips1~1 (1181693066:9537) [No addresses matched the properties for the request.]
[2012-08-23T16:04:54][opmn][TRACE:1][][OPMN][code:libopmncustom]Process Ping Failed: coreapplication_obips1~OracleBIPresentationServicesComponent~coreapplication_obips1~1 (1181693066:9537)
[2012-08-23T16:04:54][opmn][TRACE:1][][OPMN][code:libopmncustom]Ping failed in Ready callback for proc:1181693066
[2012-08-23T16:04:56][opmn][TRACE:1][665][OPMN][code:pm-process]Process Alive: coreapplication_obips1~OracleBIPresentationServicesComponent~coreapplication_obips1~1 (1181693066:9537)
[2012-08-23T16:04:56][opmn][TRACE:1][668][OPMN][code:pm-requests]Request 236 Completed. Command: /start?ias-component=coreapplication_obips1

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How presentation server and BI server will communicate

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