After restoration, the sn-webapp's log contains many error lines:
2024-02-01 ... [VRB] ... Index Pf:1 ERROR WriteIndex: Object reference not set to an instance of an object. Remaining retry count: 4
It is likely to be caused by AddDocumentActivity or UpdateDocumentActivity that refers to a Content that no longer exists, so its Document property is null.
The repair has 2 tasks:
[x] Don't cause any error even then the activity's Document property is null. These activities can be dropped.
[x] Don't send an activity to the index server if its Document property is null. Such activity is irrelevant and loads the communication channel unnecessarily.
After restoration, the sn-webapp's log contains many error lines:
It is likely to be caused by AddDocumentActivity or UpdateDocumentActivity that refers to a Content that no longer exists, so its Document property is null.
The repair has 2 tasks: