App Fails Moving from Development to Prod for Identical Environments

Question

All,
I know everyone says* this but, we really need resolution to this problem ASAP. We are in a situation wherein APEX Applications are thoroughly QAed and then, only after being delivered to Production, the same JavaScript calls that succeeded in Dev are Failing in production.
Some Facts:
1. APEX Version  4.1.1.00.23 Both Environments
   A. Dev was taken to 4.1.1.00.23 via two patches (12920544 and 13331096)
   B. Production was installed as 4.1.1.00.23 directly
2. DB Versions
    A. Dev - 11.2.0.1
    B. Prod - 10.2.0.4
3. PL/SQL Web Toolkit
   A. Dev - 10.1.2.0.8
   B. Prod - 10.1.2.0.6 (Upgraded from 10.1.2.05 using supplied owa in APEX install media)
4. Both using the Oracle HTTP Server from FUSION MIDDLEWARE 11g with mod_plsql plugin.
The Issue:
Using Internet Explorer 9 (works for Chrome, Safari and FireFox), the following is an example of a JavaScript call that fails only in Production.
dropDownMenuDiv = document.getElementsByClassName("dropDownMenu") [0];I am sure someone will respond to this post stating that it just isn't possible that the same code is failing in one environment and not in the other. Therefore, to explicitly test this, I wrapped the above code in this "if" block:
If (document.getElementsByClassName)
   dropDownMenuDiv = document.getElementsByClassName("dropDownMenu") [0];
else
   alert( 'getElementsByClassName is NOT Supported' );
}The EXACT same code executed in Dev and Prod (app export/import). In Dev, it works fine. In Production, it produces the "getElementsByClassName is NOT Supported" message box.
I know that there are some IE Specific workarounds for just this sort of thing but, I also know that IE9 should support this method. In fact, it is supporting this very method when the application is invoked in the Dev environment.
Can anyone please provide a reason/work around for this issue?
-Joe

Answer 1

I have done the comparison and the only thing that I see that differs is the session ID.
-Joe
Compare: (<)C:\Users\jupshaw\Documents\ICE\Development\APEX\Tars\ProdHome.htm (17746 bytes)
   with: (>)C:\Users\jupshaw\Documents\ICE\Development\APEX\Tars\DevHome.htm (17758 bytes)
41c41
< <input type="hidden" name="p_flow_id" value="103" id="pFlowId" /><input type="hidden" name="p_flow_step_id" value="1" id="pFlowStepId" /><input type="hidden" name="p_instance" value="1336247602420901" id="pInstance" /><input type="hidden" name="p_page_submission_id" value="635587708508801" id="pPageSubmissionId" /><input type="hidden" name="p_request" value="" id="pRequest" />
<input type="hidden" name="p_flow_id" value="103" id="pFlowId" /><input type="hidden" name="p_flow_step_id" value="1" id="pFlowStepId" /><input type="hidden" name="p_instance" value="207998464920901" id="pInstance" /><input type="hidden" name="p_page_submission_id" value="1083997427580101" id="pPageSubmissionId" /><input type="hidden" name="p_request" value="" id="pRequest" />59c59
<               <li><a href="apex_authentication.logout?p_app_id=103&p_session_id=1336247602420901">Logout</a><a class="eLink" title="Edit" href="javascript:popupURL('f?p=4000:329:707446719564001::::P329_ID,FB_FLOW_ID,FB_FLOW_PAGE_ID:73415238390460653,103,1');" tabindex="999"><img src="/i/e.gif" alt="Edit" class="eLink" /></a></li>
<li>Logout<a class="eLink" title="Edit" href="javascript:popupURL('f?p=4000:329:2230081660932901::::P329_ID,FB_FLOW_ID,FB_FLOW_PAGE_ID:73415238390460653,103,1');" tabindex="999"><img src="/i/e.gif" alt="Edit" class="eLink" /></a></li>74c74
<     <h1> <a class="eLink" title="Edit" href="javascript:popupURL('f?p=4000:374:707446719564001::::P374_ID,FB_FLOW_ID,FB_FLOW_PAGE_ID:4372219419031534,103,1');" tabindex="999"><img src="/i/e.gif" alt="Edit" class="eLink" /></a></h1>
<h1> <a class="eLink" title="Edit" href="javascript:popupURL('f?p=4000:374:2230081660932901::::P374_ID,FB_FLOW_ID,FB_FLOW_PAGE_ID:4372219419031534,103,1');" tabindex="999"><img src="/i/e.gif" alt="Edit" class="eLink" /></a></h1>116c116
< <input type="hidden" name="p_md5_checksum" value=""  /><input type="hidden" name="p_page_checksum" value="D81402650ED441C2021395E802190BE7"  /></form>
<input type="hidden" name="p_md5_checksum" value="" /><input type="hidden" name="p_page_checksum" value="0325A8D06FBD9216E3B7107FD2405550" /></form>145,152c145,152
< <li ><a class="apex-toolbar" title="Application Express Home Page" href="f?p=4500:1000:707446719564001">Home</a></li>
< <li ><a class="apex-toolbar" title="Application 103" href="f?p=4000:1:707446719564001::NO:1,4150,RP:FB_FLOW_ID,FB_FLOW_PAGE_ID,F4000_P1_FLOW,F4000_P4150_GOTO_PAGE,F4000_P1_PAGE:103,1,103,1,1">Application 103</a></li>
< <li ><a class="apex-toolbar" title="Edit Page 1" href="f?p=4000:4150:707446719564001::NO:1,4150:FB_FLOW_ID,FB_FLOW_PAGE_ID,F4000_P1_FLOW,F4000_P4150_GOTO_PAGE,F4000_P1_PAGE:103,1,103,1,1">Edit Page 1</a></li>
< <li ><a class="apex-toolbar" title="Create" href="f?p=4000:336:707446719564001::NO::FB_FLOW_ID,FB_FLOW_PAGE_ID,F4000_P1_FLOW,F4000_P4150_GOTO_PAGE,F4000_P1_PAGE:103,1,103,1,1">Create</a></li>
< <li ><a class="apex-toolbar" title="Session" href="javascript:popupSessionInfo();">Session</a></li>
< <li ><a class="apex-toolbar" title="Caching" href="f?p=4000:14:707446719564001::::FB_FLOW_ID,FB_FLOW_PAGE_ID,F4000_P1_FLOW,F4000_P4150_GOTO_PAGE,F4000_P1_PAGE:103,1,103,1,1">Caching</a></li>
< <li ><a class="apex-toolbar" title="View Debug" href="javascript:popupViewDebug();">View Debug</a></li>
< <li ><a class="apex-toolbar" title="Debug" href="f?p=103:1:1336247602420901::YES">Debug</a></li>
<li ><a class="apex-toolbar" title="Application Express Home Page" href="f?p=4500:1000:2230081660932901">Home</a></li>
<li ><a class="apex-toolbar" title="Application 103" href="f?p=4000:1:2230081660932901::NO:1,4150,RP:FB_FLOW_ID,FB_FLOW_PAGE_ID,F4000_P1_FLOW,F4000_P4150_GOTO_PAGE,F4000_P1_PAGE:103,1,103,1,1">Application 103</a></li>
<li ><a class="apex-toolbar" title="Edit Page 1" href="f?p=4000:4150:2230081660932901::NO:1,4150:FB_FLOW_ID,FB_FLOW_PAGE_ID,F4000_P1_FLOW,F4000_P4150_GOTO_PAGE,F4000_P1_PAGE:103,1,103,1,1">Edit Page 1</a></li>
<li ><a class="apex-toolbar" title="Create" href="f?p=4000:336:2230081660932901::NO::FB_FLOW_ID,FB_FLOW_PAGE_ID,F4000_P1_FLOW,F4000_P4150_GOTO_PAGE,F4000_P1_PAGE:103,1,103,1,1">Create</a></li>
<li ><a class="apex-toolbar" title="Session" href="javascript:popupSessionInfo();">Session</a></li>
<li ><a class="apex-toolbar" title="Caching" href="f?p=4000:14:2230081660932901::::FB_FLOW_ID,FB_FLOW_PAGE_ID,F4000_P1_FLOW,F4000_P4150_GOTO_PAGE,F4000_P1_PAGE:103,1,103,1,1">Caching</a></li>
<li ><a class="apex-toolbar" title="View Debug" href="javascript:popupViewDebug();">View Debug</a></li>
<li ><a class="apex-toolbar" title="Debug" href="f?p=103:1:207998464920901::YES">Debug</a></li>158,159c158,159
< function popupSessionInfo(){var w = open("f?p=4000:34:707446719564001:PAGE:NO:34:F4000_P34_SESSION,F4000_P34_FLOW,F4000_P34_PAGE,FB_FLOW_ID:1336247602420901,103,1,103","winLov","Scrollbars=1,resizable=1,width=700,height=450");if (w.opener == null){w.opener = self;}w.focus();}
< function popupViewDebug(){var w = open("f?p=4000:19:707446719564001:::RIR,19:IR_APPLICATION_ID,IR_PAGE_ID:103,1","winLov","Scrollbars=1,resizable=1,width=700,height=450");if (w.opener == null){w.opener = self;}w.focus();}
function popupSessionInfo(){var w = open("f?p=4000:34:2230081660932901:PAGE:NO:34:F4000_P34_SESSION,F4000_P34_FLOW,F4000_P34_PAGE,FB_FLOW_ID:207998464920901,103,1,103","winLov","Scrollbars=1,resizable=1,width=700,height=450");if (w.opener == null){w.opener = self;}w.focus();}
function popupViewDebug(){var w = open("f?p=4000:19:2230081660932901:::RIR,19:IR_APPLICATION_ID,IR_PAGE_ID:103,1","winLov","Scrollbars=1,resizable=1,width=700,height=450");if (w.opener == null){w.opener = self;}w.focus();}