3625333 - OData API Upser Error: Cannot invoke "java.util.Map.size()" because "<parameter1>" is null - Recruiting Management

500 internal server error occurs when attempting to batch upsert job application records.

• Error writing the data:
  {"requestUri":"/odata/v2/upsert","statusCode":500,"statusText":"","headers":[],"body":"{\n\"error\" : {\n\"code\" : \"ServerErrorException\", \"message\" : {\n\"lang\" : \"en-US\", \"value\" : \"Cannot invoke \\\"java.util.Map.size()\\\" because \\\"<parameter1>\\\" is null\"\n}\n}\n}"}
• Cannot invoke "com.successfactors.rcmapplication.bean.JobApplication.getCustomizedStatusId()" because "oldJobApp" is null

SAP SuccessFactors Recruiting Management

1. Try to batch upsert job application records using API.
2. The error is received.

The batch upsert call contained duplicate Application IDs.

(For SAP Support: see internal memo for further details)

To resolve this error, ensure that each upsert call includes only unique application IDs. 

RCM, API, CPI, Integration, Error, 500, internal server error, ServerErrorException, parameter1, java.util.Map.size, Job Application, update, upsert, BatchApply, getCustomizedStatusId, oldJobApp, null  , KBA , LOD-SF-RCM-API , Webservices & APIs , LOD-SF-RCM-INT , Integration Center & Intelligent Services , LOD-SF-RCM-APP , Applicants and Job Applications , Problem