Until the last time, my team were able to sent sessionId from Segment to amplitude, this is the raw data
{
"$insert_id": "f7bfb4e0-0ab9-4860-af4c-6be89409a827",
"$insert_key": null,
"$schema": 12,
"_time": 1631864263470,
"adid": null,
"amplitude_attribution_ids": [
"2ec0c541748d9d7a0ff71b4e1e25c705"
],
"amplitude_event_type": null,
"amplitude_id": 299205766988,
"app": 330222,
"city": null,
"client_event_time": "2021-09-17 07:37:43.470000",
"client_upload_time": "2021-09-17 07:37:49.919000",
"country": null,
"data": {
},
"device_brand": null,
"device_carrier": "From Unity Editor",
"device_family": "Predator PH315-52 (Acer)",
"device_id": "PRASHANT-DEVICE-ID-TEST-0003",
"device_manufacturer": null,
"device_model": "Predator PH315-52 (Acer)",
"device_type": null,
"display_name": "OpenScreen",
"dma": null,
"event_id": 149928614,
"event_properties": {
"Spatie\\EventSourcing\\StoredEvents\\ShouldBeStoredmetaData": [
],
"activity_type": "OPEN_SCREEN",
"is_admin": "No",
"payload": "{\"distinct_id\":\"PRASHANT-DEVICE-ID-TEST-0003\",\"session_id\":\"1631889422\",\"os_name\":\"Windows\",\"os_version\":\"Windows 10 (10.0.22000) 64bit\",\"network\":\"From Unity Editor\",\"device_type\":\"Predator PH315-52 (Acer)\",\"app_version\":\"202109130\",\"ip\":\"192.168.1.219\"}",
"screen_name": "VerifyRegistrationScreen",
"timestamp": "2021-09-17T07:37:42.000000Z",
"title": "Open Screen"
},
"event_time": "2021-09-17 07:37:43.470000",
"event_type": "OpenScreen",
"global_user_properties": {
},
"group_properties": {
},
"groups": {
},
"idfa": null,
"ip_address": "192.168.1.219",
"is_attribution_event": false,
"language": null,
"library": "segment",
"location_lat": null,
"location_lng": null,
"os": "Windows Windows 10 (10.0.22000) 64bit",
"os_name": "Windows",
"os_version": "Windows 10 (10.0.22000) 64bit",
"paying": null,
"platform": null,
"region": null,
"sample_rate": null,
"server_received_time": "2021-09-17 07:37:49.919000",
"server_upload_time": "2021-09-17 07:37:49.922000",
"session_id": -10460973600000,
"start_version": "202109130",
"timeline_hidden": false,
"user_creation_time": "2021-09-17 07:37:05.931000",
"user_id": null,
"user_properties": {
},
"uuid": "2905be88-178a-11ec-83c3-02ab3f787fdf",
"version_name": "202109130"
}
but somehow, i think there are changes in amplitude that the same payload now become out of session event like this
{
"$insert_id": "4dad7ec8-43c4-4c1f-8935-1162ee95ee21",
"$row_source": "realtime",
"$schema": 12,
"_time": 1633343337082,
"adid": null,
"amplitude_attribution_ids": [
"ef6df0e1e1968da81f16abbecc6ab519"
],
"amplitude_event_type": null,
"amplitude_id": 305129050826,
"app": 330222,
"city": null,
"client_event_time": "2021-10-04T10:28:57.082",
"client_upload_time": "2021-10-04T10:28:59.212",
"country": null,
"data": {
},
"device_brand": null,
"device_carrier": null,
"device_family": "RMX-29",
"device_id": "testing-0",
"device_manufacturer": null,
"device_model": "RMX-29",
"device_type": null,
"display_name": "OpenScreen",
"dma": null,
"event_id": 383005072,
"event_properties": {
"Spatie\\EventSourcing\\StoredEvents\\ShouldBeStoredmetaData": [
],
"activity_type": "OPEN_SCREEN",
"description": 2000,
"is_admin": "No",
"payload": "{\"distinct_id\":\"testing-0\",\"session_id\":\"1577871000\",\"os\":\"Android 9.0\",\"device_type\":\"RMX-29\",\"version\":\"23.0.0.1\"}",
"screen_name": "EditProfilePanel",
"timestamp": "2021-10-04T10:28:56.000000Z",
"title": "Open Screen"
},
"event_time": "2021-10-04T10:28:57.082",
"event_type": "OpenScreen",
"group_properties": {
},
"groups": {
},
"idfa": null,
"ip_address": null,
"is_attribution_event": false,
"language": null,
"library": "segment",
"location_lat": null,
"location_lng": null,
"os": "",
"os_name": null,
"os_version": null,
"paying": null,
"platform": null,
"region": null,
"sample_rate": null,
"server_received_time": "2021-10-04 10:28:59.212000",
"server_upload_time": "2021-10-04T10:28:59.218",
"session_id": -1,
"start_version": null,
"timeline_hidden": false,
"user_creation_time": "2021-10-04T10:16:59.594",
"user_id": null,
"user_properties": {
},
"uuid": "e3dbaa98-24fd-11ec-bafc-0229867f0fb5",
"version_name": null
}
why the sudden change and how to overcome or fix this issue?