Parent Instance creating many child instances in SOA-INFRA

Hi,
We have deleted a parent instance from SOA-INFRA database.Even after deletion it keeps on creating child instances. How to identify all the child instances of the parent instance in SOA-INFRA schema . Also, we searched a lot but were unable to get much details about SOA_INFRA schema.
Please suggest and tell us the reasoning behind why many child instances getting created? Any suggestions will help us.
Thanks in advance.

It just provides the table names but doesnt provide information like which table is referred which table. Also, can anyone let me know how the instance id(when a request is submitted) is created in SOA-INFRA schema and how it is used other tables because we still see the child instances is getting created from the parent instance.
Any help will be appreciated.
Thanks.

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Go to Solution.
Attachments:
ParentChildClass.zip ‏54 KB

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jphilb wrote:
I am using OC4J standalone to deploy a sparql endpoint using jena, joseki, and the oracle jena adaptor. OC4J is running on the same server as my DEV and QAR databases. The current instance of OC4J is using a data source called "OracleSemDS" to connect to my DEV database. We are now ready to migrate the endpoint to QAR. As I was setting up the QAR endpoint, I discovered the the jena/joseki tools are hard-coded to use the "OracleSemDS" data source. Therefore, I cannot have 2 endpoints running in the same OC4J instance where one points to DEV and the other points to QAR.
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D:\java\oc4j-10135-prod\j2ee\home>java -jar oc4j.jar -config config/qar-server.xmlI think you could run into some concurrency problems if you try and run the two instances simulataneously, but in general it should be OK I think if you run them separately.
Another solution here is look at how the application specifies/uses datasources. The hard coding of the data-source name into the applicaiton via a direct JNDI lookup works, but restricts the flexibility you as a deployer/administrator has.
If the application used the Java EE resource-ref approach to look up and use the datasource, then the actual JNDI name of the datasource the application uses it totally abstracted from the actual physical name of the datasource that is created on the container -- so you'd have DEVDS and QARDS as physical datasources configured and running on OC4J -- and what happens is that as you deploy the application, you essentially map its lookup and use of OracleSemDS (which would need to change to a java:env/ namespace) to the physical datasource you want it to use (DEVDS or QARDS for example). You can easily alter this post deployment by changing the generated orion-application.xml file to point at the alternate physical datasource. Following that, you can also create separate deployment plans which map the app to the different datasources, then feed this in with the deployment operation so that the correct mapping to either DEVDS or QARDS is done during the deployment process.
I don't know what scope you have to change the application so the above may not be possible -- you'd need to change the lookup code so that it uses the Java EE reference model and change the meta-inf/application.xml to add the corresponding resource-ref entry which declares the logical datasource name that needs to be mapped on deployment.
Another approach here may be to use an application embedded datasource, where you put a data-sources.xml file into the application archive itself (along with an orion-application.xml file which references it) whereupon at deployment time, a datasource specific to the application will be created. In this manner, you'd have say two copies of the same application to deploy (DEV, QAR) which contain different data-sources.xml file. From memory, each application will have its own JNDI namespace so their datasources can co-exist with the same names, with application level data-sources overriding server level ones. Since you'll most likely want to keep the same context-root for the web modules (which has to be unique per server) you'll generally need to run just one of the applications at a time. I'd do this like this: deploy one, stop it, deploy the other, stop it, then start only the one you need to test. In that way, you'll have one copy of the application running (either DEV or QAR) and one datasource definition running within it.
Here's some documentation links to get you going:
Managing Application Lifecycle (start, stop): http://download.oracle.com/docs/cd/E14101_01/doc.1013/e13978/adminclient.htm#BABHJAFE <-- describes admin_client.jar but general principles apply to ascontrol management of application.
Packaging and Testing Applications: http://download.oracle.com/docs/cd/E14101_01/doc.1013/e13979/packag.htm#BHCFBEEC
Application Level DataSources: http://download.oracle.com/docs/cd/E14101_01/doc.1013/e13975/datasrc.htm#CHDIBFHG
Using Deployment Plans: http://download.oracle.com/docs/cd/E14101_01/doc.1013/e13980/deployplan.htm#CHDFEFAE
cheers
-steve-

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