JR63917: CANNOT EXECUTE PROJECTS USING MULTIPLE PREDICTIVE MODELS

APAR status

• Closed as program error.

Error description

• When executing a decision service that has multiple predictive
  models using the same Machine learning provider the execution
  fails. The issue is that the Machine learning provider paylaod
  cannot be deserialized since the same Machine learning provider
  is added several time. The following message can be found in the
  logs:   "localizedMessage": "Cannot deserialize instance of `co
  m.ibm.decision.ml.integration.client.MachineLearningProvider$Ma
  chineLearningProviderBuilder`out of START_ARRAY token\n
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Users using Machine Learning integration                     *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * When the multiple predictive models are defined in the same  *
  * provider the provider is listed multiple times which is not  *
  * supported by the runtime                                     *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  

Problem conclusion

• the code is fixed to detect and remove duplicate providers from
  the list of providers.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  CLOUD PAK FOR A

• Fixed component ID

  5737I2300

Applicable component levels