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#5548·FerretDB

When following https://blog.ferretdb.io/run-ferretdb-postgres-documentdb-extension-cnpg-kubernetes/ CNPG operator overrides applied changes breaking find*** Functionality

Author: meshpaulCreated Nov 19, 2025Updated Dec 8, 2025
Labelscode/bugnot ready

FerretDB, PostgreSQL, and DocumentDB versions

json
{
db.serverStatus()
{
  host: 'ferretdb-6b77497dbd-8l778',
  version: '7.0.77',
  process: 'ferretdb',
  pid: Long('1'),
  uptime: 375931.161997486,
  uptimeMillis: Long('375931161'),
  uptimeEstimate: Long('375931'),
  localTime: ISODate('2025-11-19T03:56:21.797Z'),
  freeMonitoring: { state: 'undecided' },
  metrics: {
    commands: {
      drop: { total: Long('1'), failed: Long('1') },
      createIndexes: { total: Long('1603'), failed: Long('1469') },
      atlasVersion: { total: Long('9'), failed: Long('9') },
      delete: { total: Long('4'), failed: Long('0') },
      saslContinue: { total: Long('471'), failed: Long('0') },
      findAndModify: { total: Long('3'), failed: Long('0') },
      aggregate: { total: Long('43'), failed: Long('0') },
      listCollections: { total: Long('18'), failed: Long('0') },
      getParameter: { total: Long('7'), failed: Long('0') },
      update: { total: Long('20'), failed: Long('0') },
      listDatabases: { total: Long('10'), failed: Long('0') },
      insert: { total: Long('55'), failed: Long('0') },
      count: { total: Long('113'), failed: Long('112') },
      ping: { total: Long('66'), failed: Long('0') },
      saslStart: { total: Long('2'), failed: Long('2') },
      getLog: { total: Long('7'), failed: Long('0') },
      create: { total: Long('753'), failed: Long('0') },
      find: { total: Long('919'), failed: Long('8') },
      hello: { total: Long('8922'), failed: Long('0') },
      ismaster: { total: Long('539'), failed: Long('0') },
      buildInfo: { total: Long('9'), failed: Long('0') },
      endSessions: { total: Long('23'), failed: Long('0') },
      serverStatus: { total: Long('1'), failed: Long('0') },
      isMaster: { total: Long('10'), failed: Long('0') }
    }
  },
  catalogStats: {
    collections: 0,
    clustered: 0,
    timeseries: 0,
    views: 0,
    internalCollections: 0,
    internalViews: 0
  },
  ferretdb: {
    version: 'v2.7.0',
    gitVersion: '0d5eb3343a50b800634cc08ace608bb6f3a3f74b',
    buildEnvironment: {
      '-buildmode': 'exe',
      '-compiler': 'gc',
      '-trimpath': 'true',
      CGO_ENABLED: '0',
      GOAMD64: 'v1',
      GOARCH: 'amd64',
      GOOS: 'linux',
      'go.runtime': 'go1.25.4',
      'go.version': 'go1.25.4',
      vcs: 'git',
      'vcs.modified': 'true',
      'vcs.revision': '0d5eb3343a50b800634cc08ace608bb6f3a3f74b',
      'vcs.time': '2025-11-10T17:18:24Z'
    },
    debug: false,
    package: 'docker',
    postgresql: 'PostgreSQL 15.14 (Debian 15.14-1.pgdg12+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 12.2.0-14+deb12u1) 12.2.0, 64-bit',
    documentdb: '0.107.0 gitref: HEAD sha:e63835403d buildId:0'
  },
  ok: 1
}

Environment

the Prosgress/DocumentDb deployed followed same manifest for exception of aligning to 2.7.0 deployment of ferretdb/postgres-documentdb:15-0.107.0-ferretdb-2.7.0

What did you do?

Used mongosh to connect successfully and run the following command

db.test.insertOne({ hello: 'world' }) result

{ acknowledged: true, insertedId: ObjectId('691d39880544637143299801') }

then ran db.test.find()

resulting MongoServerError[InternalError]: fe_sendauth: no password supplied

Same for 'db.test.findOne()resulting infe_sendauth: no password supplied`

What did you expect to see?

at least one value from collection

What did you see instead?

resulting in fe_sendauth: no password supplied

And on the ferretDB the following was observed

log
 2025-11-19T04:01:23.440Z    INFO    middleware/dispatcher.go:131    Command handled {"command":"insert","duration":"22.44777ms","handler":"documentdb","name":"middleware","result":"ok"}  

2025-11-19T04:07:01.591Z    ERROR    documentdb/tracer.go:198    Query    {"args":{"0":"sc-marketplace","1":"RawDocument<105>","2":0},"error":"ERROR: fe_sendauth: no password supplied (SQLSTATE 08006)","name":"documentdb","pid":535484,"sql":"SELECT cursorpage::bytea, continuation::bytea, persistconnection, cursorid FROM documentdb_api.find_cursor_first_page($1, $2::bytea, $3)","time":6763257} 

2025-11-19T04:07:01.591Z    ERROR    mongoerrors/mongoerrors.go:127    Connection failure    {"arg":"documentdb_api.find_cursor_first_page","error":"&pgconn.PgError{Severity:\"ERROR\", SeverityUnlocalized:\"ERROR\", Code:\"08006\", Message:\"fe_sendauth: no password supplied\", Detail:\"\", Hint:\"\", Position:0, InternalPosition:0, InternalQuery:\"\", Where:\"while executing command over libpq connection\", SchemaName:\"\", TableName:\"\", ColumnName:\"\", DataTypeName:\"\", ConstraintName:\"\", File:\"query_utils.c\", Line:766, Routine:\"PGConnReportError\"}","name":"documentdb"}

Source: FerretDB/FerretDB

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