Karthikeyan

[BUG] Unable to create a new RollUp Job in OpenSearch 2.12

5

**What is the bug?** RollUp Job creation fails with 500 error code in Opensearch 2.12 Error Message : `{"error":{"root_cause":[{"type":"null_pointer_exception","reason":"Cannot invoke \"java.time.Instant.plusMillis(long)\" because \"startTime\" is null"}],"type":"null_pointer_exception","reason":"Cannot invoke \"java.time.Instant.plusMillis(long)\" because \"startTime\" is...