Uploaded image for project: 'Core Server'
  1. Core Server
  2. SERVER-41803

Standalone server crash with 'Unique index cursor seeing multiple records for key { : null } '

    XMLWordPrintable

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Critical - P2
    • Resolution: Duplicate
    • Affects Version/s: 4.0.4, 4.0.10
    • Fix Version/s: None
    • Component/s: Indexing
    • Labels:
      None
    • Operating System:
      ALL
    • Steps To Reproduce:
      1. Have an unique index on a field.
      2. Have multiple documents without that indexed field
      3. Make a query with { field: {$exists: false } }

      Description

      Mongo server crashes when it sees multiple records for key 'null' in an unique index. It won't restart unless the systemd service has endless respawn configured.

        Attachments

          Issue Links

            Activity

              People

              Assignee:
              daniel.hatcher Daniel Hatcher (Inactive)
              Reporter:
              h-line Lauri Hälinen
              Participants:
              Votes:
              0 Vote for this issue
              Watchers:
              4 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved: