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Stuff about Hyperion and stuff
Wow. I still can’t believe that I did this one. We had a new requirement to create an HR cube and drill down to employee levels for more details. I had thought of using Hybrid Analysis in EIS, but that means the cube will be totally dependent on EIS. So I decided to use the “vertical” federation of OBIEE data model. The employee level will exist on relational DB while other levels are on Essbase.
I used this Oracle by Example to get an idea on how to accomplish this: Federating Essbase and Relational Data Sources in Oracle Business Intelligence Suite Enterprise Edition Plus. Pretty helpful.
I can’t believe how frustrating it is to get OBIEE Workspace SSO to work in OAS installations. If I didn’t remove the two lines in mod_oc4j.conf, OBIEE won’t even show up under Workspace Applications. However, I suspect it’s got something to do with that bips thing. Gotta keep looking into this.
Anyhow, getting this thing to work in Tomcat turned out to be quite easy. Took me only 1/2 a day to get everything to work. So the docs was good.
Although OBIEE 10g and Workspace 11.1.1.x is now well documented, there are still some items that need to be manually configured. The place where I work uses Oracle AS 10.1.3.1 (I know, I know) for all the Hyperion applications while J2EE is on the default OC4J container. After following the steps in the New Feature docs, OBIEE was still not running on OAS port (7777). So when I tried http://host:7777/analytics, it came back with nothing. After hours of tinkering and staring at Apache logs, I finally figured out the trick. Apparently, after configuring Workspace Web Server, there are these two lines that made it to the mod_oc4j.conf
Oc4jMount /analytics bips
Oc4jMount /analytics/* bips
Apache redirects request for /analytics to OAS instance called bips. This will work fine (I think), if OBIEE is configured to run on OAS. So what I did was I removed these 2 lines, and added the ProxyPass lines to the httpd.conf
Restarted both HTTP_Server from opmnctl and OBIEE OC4J, and it worked. Now moving on to SSO.
The other day, I’ve decided to learn myself the Essbase Java API. I figured the best way to do it is to build something from scratch. Since I need to maintain metadata from several cubes (my day job, sadly), I thought this would be a good utility to create. So I call my new pet project, JExtract, the Java based Essbase Outline Extractor. The basic stuff is mostly there such as
I’ve also created a Source Forge project to host this thing. Check out http://jextract.sourceforge.net for details. However, I haven’t uploaded any files just yet.
I had a scare recently with yet another EPMA issue. After a load balancing exercise on the Hyperion servers by distributing the components, suddenly EPMA deployment for Essbase apps wouldn’t work anymore. It returned with HTTP Error 500, bla bla bla. Previously I had moved EAS and APS from the box running EPMA to another box. When trying to deploy an Essbase app manually, I noticed that the EPMA deployment host was somehow pointing to the server running EAS. After several tries of restarting EPMA, reconfiguring Web Server and restarting EAS, I finally decided to reconfigured the old EAS and Web Server running on the same box as EPMA. Guess what, it worked. The EPMA deployment host was now back to the right server. I didn’t think that EAS would be related to Essbase deployment, but I guess it is.
We were puzzled the other day by the spikes in memory usage on our Essbase (AIX) server. This happened after we deployed an additional historical ASO cube. It seemed odd since the memory usage (Paging Space) of this particular application kept increasing with each user request. At point it got up to several hundred MBs. The first place we looked was the ASO cache limit which was set to 32 MB (default). After some trial and error, it turned out that all data files were stored on the default location at $HYPERION_HOME/products/EssbaseServer/app/APP/APP. So I changed this and point the data fil
OBIEE 11g, Essbase 188.8.131.52
After installing OBIEE 11g on my Windows XP laptop which runs Essbase 184.108.40.206, I found out that the Oracle BI admin tool was unable to connect to the installed version of Essbase. After a bit of research, I found out that OBIEE 11g will only run with the included Essbase 11.1.2 version client. This caused a problem on my machine since all Essbase environment variables on my machines are pointing to version 220.127.116.11. My workaround for this is by creating a separate batch file to start the Oracle BI admin tool as pasted below.
C:\WINDOWS\system32\cmd.exe “/cc:\OBIEE\instances\instance1\bifoundation\OracleBIApplication\coreapplication\setup\bi-init.cmd coreapplication_obis1 2 && c:\OBIEE\Oracle_BI1\bifoundation\server\bin\AdminTool.exe”
Now my Admin Tool can connect to the installed Essbase.
In EPMA, there’s this “awesome” feature that forces failed deployment to wait until time out is reached. Typically after a failed deployment, EPMA changes the application status to “Deployment pending”. In this state, the application may not be deployed or deleted which is quite annoying (I think). Turns out there’s a setting to change this time out value.
Recently, I accidentally removed an EPMA-managed Essbase application directly from EAS console. This resulted in EPMA showing the “Target application does not exist” for the particular application. I found out there are two (possibly more?) ways to fix this.
The easy (lucky) way is to recreate the Essbase application directly in EAS. This is the second time this thing happen to me. The first time around, I recreated the delete application as an empty application. It didn’t work, so I had to take the hard way. This time around, I had a backup that I can restore in EAS. Maybe EPMA had to make sure that the structure is there, so empty application didn’t work. Once restored, I managed to remove the application from EPMA.
The hard way is to remove the application from the SQL back-end (avoid). Mind you that this way is not supported by our good, hardworking friends at Oracle support. Here’s the SQL (tested this once and seem to work just fine). Use at your own risk !!!
delete from ds_property_application where I_APPLICATION_ID=(select distinct I_APPLICATION_ID from ds_application where c_application_name = ‘APP_NAME’)
select count(*) from ds_property_dimension where I_APPLICATION_ID=(select distinct I_APPLICATION_ID from ds_application where c_application_name = ‘APP_NAME’)
delete from ds_property_dimension where I_APPLICATION_ID=(select distinct I_APPLICATION_ID from ds_application where c_application_name = ‘APP_NAME’)
delete from ds_property_dimension_ref where I_APPLICATION_ID=(select distinct I_APPLICATION_ID from ds_application where c_application_name = ‘APP_NAME’)
delete from DS_PROPERTY_RELATIONSHIP where I_APPLICATION_ID=(select distinct I_APPLICATION_ID from ds_application where c_application_name = ‘APP_NAME’)
delete from ds_property_application_array where I_APPLICATION_ID=(select distinct I_APPLICATION_ID from ds_application where c_application_name = ‘APP_NAME’)
delete from ds_property_application_ref where I_APPLICATION_ID=(select distinct I_APPLICATION_ID from ds_application where c_application_name = ‘APP_NAME’)
delete from ds_application where I_APPLICATION_ID=(select distinct I_APPLICATION_ID from ds_application where c_application_name = ‘APP_NAME’)
delete from ds_view where I_View_ID=(select distinct I_view_id from ds_application where c_application_name = ‘APP_NAME’)
delete from ds_library where I_library_ID in (select distinct I_library_id from ds_application where c_application_name = ‘APP_NAME’)
delete from or_object where c_object_ID=’1_’ || (select distinct I_APPLICATION_ID from ds_application where c_application_name =
Typically, I would do a select before deleting anything to make sure everything is OK.