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Informix Error -21407: Error reading from file.

Cause and resolution

Error reading from file.

The file might not have been transferred correctly from media. Reload the product from the media and reinstall. If the error recurs, note all circumstances and contact IBM Informix Technical Support.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-21407 fires when the installation program can't read from a file it expects — per the official guidance, likely because the file wasn't transferred correctly from installation media.

  1. The file not having transferred correctly from the installation media, per the official guidance — the direct, only cause.
Solutions / Resolution
  1. Reload the product from the media and reinstall, per the official guidance.
  2. If the error recurs, note all circumstances and contact IBM Informix Technical Support, per the official guidance.
Examples
N/A

No specific triggering statement is documented beyond a read failure on a transferred file.

Diagnostic Checks
  1. Confirm the file's integrity, and reload from media if a read fails.
Related Errors / Related Topics
  • -21408 — "Error writing to file." The mirror-image I/O error, on writing rather than reading.
  • -21414 — "Unexpected EOF on file." A related read-failure condition, specific to hitting end-of-file earlier than expected.

The installation program couldn't read an expected file — reload the product from media and reinstall.