Help Desk Ticket Reference: https://c.na7.visual.force.com/apex/Case_View?id=500A0000006njO2IAI&sfdc.override=1
Steps to Reproduce: Follow steps above.  Note:  If we write rules without a package in JBDS, it works differently (not quite sure it's correct, though.)  Also, this is against what the 'sample' rule shows. (It has a package.)
securitylevel_name: Public

1) Fresh installed BRMS Server.
2) Enable admin user so that you can log into the web console.
3) Go to http://10.10.108.197:8080/jboss-brms.
4) Authenticate
5) Click "Knowledge Bases" on "Navigate" to bring up the list of "Packages" and "Global Area"
6) Click "Create New"
7) A "Create a new package" dialog will appear.
8) Type "com.sample" in the Name.
9) Click "Create package"
10) Go to JBDS where you have Sample.drl.
11) Right click the Sample.drl file from the "Navigator". 
12) Click "Guvnor"--> "Add"
13) A dialog will appear to select the repository. If you do not have repository in the list, then create a new Guvnor repository. Once you finish this. Click Next.
14) Expand "packages". You should see com.sample package that you created in step 8.   // NOTE.  This is exactly the canned rule from JBDS sample rule. 
15) Select com.sample package, and click Finish.
16) Go to "http://10.10.108.197:8080/jboss-brms/org.drools.guvnor.Guvnor/package/com.sample/LATEST.drl"
17) You will be prompted for authentication. 
18) Authenticate with admin credentials.
19) Download the file if prompted.
20) Open the file, you should see two "package com.sample" there.