[jboss-jira] [JBoss JIRA] Created: (JBRULES-1109) Exported BRMS repositories lose version history

[Shahad Ahmed (JIRA)]

Exported BRMS repositories lose version history
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                 Key: JBRULES-1109
                 URL: http://jira.jboss.com/jira/browse/JBRULES-1109
             Project: JBoss Rules
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: drools-brms
    Affects Versions:  4.0.0.GA
         Environment: Windows XP SP2, SUN JRE 1.5_09
            Reporter: Shahad Ahmed
         Assigned To: Mark Proctor


I've come across an issue with exporting and importing a BRMS repository backup, which I'm not sure is a feature or a bug. I have a package that contains a bunch of rules I've developed. I've modified and saved rules, so that most of the rules have a fairly long history when you select the Version History in the rule view. If I export the repository in the Admin/Manage Backups section and then import the repository into a clean BRMS installation, all the version history of the rules seems to be lost. The rules still have the correct version attribute (e.g. version: 8 etc), but when you click on the View History link it just says No History.

If you actually export and then re-import the rules into the same BRMS installation, then the History is maintained - however, I suspect that is purely by chance as the underlying repository is not being cleaned up by the import option?

Here's how to replicate the problem for a clean BRMS install:

1. Create a new category called test.

2. In the defaultPackage create a new technical rule called test as shown below:

when
    eval(true)
then
    System.out.println("Hello");

3. Save the test rule

4. Modify test rule e.g. by changing "Hello" to "Hello World" and Save the rule agin to get a version 2 of the rule.

5. Click on the View History option to verify that the rule has a single historical version 1 in the repository.

6. From Admin/Manage Backups save the repository.

7. In a new clean BRMS install import the previously exported repository (I guess if you do not want to reinstall the BRMS you can shutdown the original and remove the repository directory, the repository.xml and derby.log files, and then restart to get an empty repository).

8. Open the test rule created previously. It should show up with version 2. Click on the View History option and it says No History. The conclusion is that the back feaure does not back up the full repository i.e. history is lost.


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