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We have just installed the CTP 2.0 Model Service (CD Microservice) from the official SDL documentation: Model Service Documentation

After successfully installing the service and calling the PageModel endpoint, the modelData returned is null. Therefore the DXA webapp throws exceptions.

Following endpoint was called:

http://172.19.3.2:8998/PageModel/tcm/1206/en?include=INCLUDE

The Service returns a small JSON without modelData:

{
  Id: "tcm:1206-368946-64",
  Meta: { },
  Title: "000 Home"
}

The nullpointer exception is thrown because the modelData is null:

exception modelData null

I double checked the configurations and also increased the logging up to DEBUG but had no luck finding any configuration or connection issues. If I add ?raw=true to the PageModel request, all my Components that are on my Page are getting listed in the JSON.

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  • Con you confirm the entire DXA example website is published, including the settings, include Pages and dynamic Component Presentations etc.?
    – Bart Koopman
    Commented Jan 26, 2018 at 13:30
  • Yes its all published. The page was running with only few issues in DXA1.7 but we created a 2.0 branch for development since we have some issues that are going to be fixed with 2.0 and currently blocking our UAT.
    – S. Gabriel
    Commented Jan 26, 2018 at 13:42
  • Since you mention DXA 1.7 this is an upgrade, correct ? Can you verify that you published all of your pages using the new 2.0 DXA Template Building Blocks and not the legacy ones ? I do recall that the 2.0 model service expects items to be published in the new json format.
    – Harald Hoffelinck
    Commented Jan 26, 2018 at 13:53
  • well actually the CTP 2 release has data model compatibility in there already and should be able to deal with both the old and the new JSON format (that wasn't available in CTP 1 indeed), but I would suggest that the question is edited and updated with this additional information, to get to a correct answer we need to know if this is about the DD4T JSON (from DXA 1.7) or the new DXA R2 JSON indeed.
    – Bart Koopman
    Commented Jan 26, 2018 at 14:08
  • We are running the 1.7 TBB's and didnt upgrade them yet. If you say its mandatory to upgrade the Building Blocks to 2.0, then we will do it on monday.
    – S. Gabriel
    Commented Jan 26, 2018 at 15:59

1 Answer 1

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The TBB's needed to be upgraded to DXA R2 JSON model. Once i have upgraded everything the output was correct.

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