Add more logs to inspect OpenSearch missing updates issue

service/worker/indexer/esProcessor.go

@@ -266,6 +266,25 @@ func (p *ESProcessorImpl) shadowBulkAfterAction(id int64, requests []bulk.Generi
 				tag.ESResponseStatus(err.Status),
 				tag.ESRequest(request.String()))
 		}
+		return
+	}
+	responseItems := response.Items
+	for i := 0; i < len(requests) && i < len(responseItems); i++ {
+		key := p.retrieveKafkaKey(requests[i])
+		if key == "" {
+			continue
+		}
+		responseItem := responseItems[i]
+		// It is possible for err to be nil while the responses in response.Items might still contain errors or unsuccessful statuses for individual requests.
+		// This is because the err variable refers to the overall bulk request operation, but each individual request in the bulk operation has its own status code.
+		for _, resp := range responseItem {
+			if !isResponseSuccess(resp.Status) {
+				wid, rid, domainID := p.getMsgWithInfo(key)
+				p.logger.Error("ES request failed in secondary processor",
+					tag.ESResponseStatus(resp.Status), tag.ESResponseError(getErrorMsgFromESResp(resp)), tag.WorkflowID(wid), tag.WorkflowRunID(rid),
+					tag.WorkflowDomainID(domainID))
+			}
+		}
 	}
 }
 

service/worker/indexer/esProcessor_test.go

@@ -539,3 +539,49 @@ func (s *esProcessorSuite) TestBulkAfterAction_Nack_Shadow_WithError() {
 	// Mocking secondary processor to test shadowBulkAfterAction with error
 	s.esProcessor.shadowBulkAfterAction(0, requests, response, mockErr)
 }
+
+func (s *esProcessorSuite) TestBulkAfterAction_Shadow_Fail_WithoutError() {
+	version := int64(3)
+	testKey := "testKey"
+	request := &mocks2.GenericBulkableRequest{}
+	request.On("String").Return("")
+	request.On("Source").Return([]string{string(`{"delete":{"_id":"testKey"}}`)}, nil)
+	requests := []bulk.GenericBulkableRequest{request}
+
+	mFailed := map[string]*bulk.GenericBulkResponseItem{
+		"index": {
+			Index:   testIndex,
+			Type:    testType,
+			ID:      testID,
+			Version: version,
+			Status:  400,
+		},
+	}
+	response := &bulk.GenericBulkResponse{
+		Took:   3,
+		Errors: false,
+		Items:  []map[string]*bulk.GenericBulkResponseItem{mFailed},
+	}
+
+	wid := "test-workflowID"
+	rid := "test-runID"
+	domainID := "test-domainID"
+	payload := s.getEncodedMsg(wid, rid, domainID)
+
+	mockKafkaMsg := &msgMocks.Message{}
+	mapVal := newKafkaMessageWithMetrics(mockKafkaMsg, &testStopWatch)
+	s.esProcessor.mapToKafkaMsg.Put(testKey, mapVal)
+
+	// Add mocked secondary processor
+	secondaryProcessor := &mocks2.GenericBulkProcessor{}
+	s.esProcessor.bulkProcessor = append(s.esProcessor.bulkProcessor, secondaryProcessor)
+
+	// Mock Kafka message Nack and Value
+	mockKafkaMsg.On("Nack").Return(nil).Once()
+	mockKafkaMsg.On("Value").Return(payload).Once()
+	s.mockScope.On("IncCounter", mock.AnythingOfType("int")).Return()
+	// Execute bulkAfterAction for primary processor with error
+	s.esProcessor.bulkAfterAction(0, requests, response, nil)
+	// Mocking secondary processor to test shadowBulkAfterAction with error
+	s.esProcessor.shadowBulkAfterAction(0, requests, response, nil)
+}