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Milvus BM25 全文检索无法正常执行迁移步骤 #7641

Description

@chung1912

例行检查

  • 我已确认目前没有类似 issue
  • 我已完整查看过项目 README,以及项目文档
  • 我使用了自己的 key,并确认我的 key 是可正常使用的
  • 我理解并愿意跟进此 issue,协助测试和提供反馈
  • 我理解并认可上述内容,并理解项目维护者精力有限,不遵循规则的 issue 可能会被无视或直接关闭

你的版本

  • 公有云版本
  • 私有部署版本, 具体版本号: v4.16.2

问题描述, 日志截图,配置文件等
我原来的版本是milvusdb/milvus:v2.5.9,于是,我直接升级到milvusdb/milvus:v2.6.22,然后重启fastgpt(此时是v4.16.1版本),一切正常
随后,我将fastgpt升级到v4.16.2,日志输出的版本信息:
2026-09-02 10:26:48 INF infra:vector Milvus version verified: { version: '2.6.22' }
然后直接报错如下:

System initialization step failed {
  step: 'init-vector-store',
  stage: 'vectordb_error',
  errorMessage: 'ErrorCode: IndexNotExist. Reason: index not found[collection=modeldata_v2]',
  errorName: 'Error',
  errorCode: undefined,
  errorStage: undefined,
  errorStep: undefined,
  errorStack: 'Error: ErrorCode: IndexNotExist. Reason: index not found[collection=modeldata_v2]\n' +
    '    at MilvusClient.<anonymous> (/app/node_modules/.pnpm/@zilliz+milvus2-sdk-node@2.6.17_bufferutil@4.1.0_utf-8-validate@5.0.10/node_modules/@zilliz/milvus2-sdk-node/dist/milvus/grpc/Collection.js:610:23)\n' +
    '    at Generator.next (<anonymous>)\n' +
    '    at fulfilled (/app/node_modules/.pnpm/@zilliz+milvus2-sdk-node@2.6.17_bufferutil@4.1.0_utf-8-validate@5.0.10/node_modules/@zilliz/milvus2-sdk-node/dist/milvus/grpc/Collection.js:5:58)\n' +
    '    at process.processTicksAndRejections (node:internal/process/task_queues:104:5)',
  errorCause: undefined,
  errorDetails: 'Error: ErrorCode: IndexNotExist. Reason: index not found[collection=modeldata_v2]\n' +
    '    at Generator.next (<anonymous>)'
}

后续的如下操作,我都无法进行,因为无法启动:

# 1. dry-run 先看统计
curl 'http://host/api/admin/4162/milvus?dryRun=1' \
  -H 'rootkey: 你的ROOT_KEY'

# 2. 正式迁移
curl 'http://host/api/admin/4162/milvus?batchSize=500' \
  -H 'rootkey: 你的ROOT_KEY'

# 3. 若请求被网关超时中断,用返回的 migrationId 续跑
curl 'http://host/api/admin/4162/milvus?resumeMigrationId=<uuid>' \
  -H 'rootkey: 你的ROOT_KEY'

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