Tuesday, January 14, 2014

ATG BCC – “Unknown Segment ‘Main’” log error; missing menu items in left nav

This post details a problem, and its corresponding solution, that my team encountered and recently resolved in the ATG 9.3 BCC application.


  1. In the BCC application, in the left nav menu, several of the menu items that should be present are missing, including:
    • Content Administration | Automated Deploy
    • Content Administration | Content Administration Project
    • Merchandising | Manage Commerce Assets
    • Personalization | Targeting and Segmentation
  2. When a user successfully logs into the BCC application, lots of errors like the following are logged in the CA application’s log file: atg.process.ProcessException: Unknown segment "main" in process /Content Administration/CA.wdl at atg.process.ProcessManagerService.getSegmentInfo(ProcessManagerService.java:2122) at atg.process.ProcessManagerService.createProcessInstanceInfo(ProcessManagerService.java:11085) at atg.process.ProcessManagerService.getProcessInstanceInfos(ProcessManagerService.java:10928) ...
  3. When the CA instance is initially started, some errors like the following that mention “atg.nucleus.ServiceException” and “dynamoMessagingSystem.xml” appear in the CA application’s log file: atg.nucleus.ServiceException: Destination "sqldms:/Price/CacheInvalidation" is not found for output port "PriceCacheInvalidator" of "message-source" element with Nucleus name "/com/example/ecom/messaging/PriceCacheMessageSource" for patch bay definition file "/atg/dynamo/messaging/dynamoMessagingSystem.xml" at atg.dms.patchbay.PatchBayManager.createOutputDestination(PatchBayManager.java:1451) at atg.dms.patchbay.PatchBayManager.createOutputPorts(PatchBayManager.java:1249) ...


(This solution worked for my team’s application; YMMV.)

In one of the dynamoMessagingSystem.xml files in our project’s source code, as child elements of the patchbay XML element, there were message-source and message-sink elements (and sub-elements) that were (apparently) incorrectly defined, and also were not actually being used by the application. 

Removing those bad elements from the dynamoMessagingSystem.xml file, and then rebuilding and redeploying the application, resolved the issue.

Thanks to Miles from Oracle Support for his assistance in troubleshooting this issue!

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