Validation Failed: 1: id is too long, must be no longer than 512 bytes but was: 548;

Elastic Stack Elasticsearch
2

If you use reindex for migration you can check this solution: Reindexing failed - Validation Failed: 1: id is too long, must be no longer than 512 bytes but was: 672; - #4 by JinnaBalu

POST /_reindex?wait_for_completion=true&pretty=true
{
  "source": {
    "index": "student"
  },
  "dest": {
    "index": "new_student"
  },
  "script": {
    "source": "if (ctx._id.length() > 512) {ctx._id = null}",
    "lang": "painless"
  }
}
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