Error while creating relation object in XCP 16.4 Java Service

We are using XCP 16.4 and we are trying to create custom relation object from Java services using DFC.
Java service successfully creating the custom relation objects but after that error is throwing in server log like below:
Any idea?

2019-02-01 19:14:58,518 INFO [stdout] (default task-10) 2019-02-01 19:14:58,517 ERROR [default task-10] [com.emc.xcp.runtime.engine.tracker.XcpTransactionListener] - Error occurred in pre commit handler :
2019-02-01 19:14:58,518 INFO [stdout] (default task-10) java.lang.RuntimeException: Unable to retrieve model information for



  • Have you created custom relation type in your xcp app first? You need to define them in xcp first, so that they are "xcp native". Once that is done, you should be able to create them using DFC/DQL.

  • issue resolved..There was a missing relation name while creating from Java Service.

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