Oninit
Talk to an expert →

Informix Error -25593

-25593 Network listener failed to make an open I/O channel to be non-blocking.

Report this operating-system error to the operating-system administrator. It might require a system reboot.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-25593 fires when the network listener can't set an open I/O channel to non-blocking mode — per the official guidance.

  1. An operating-system-level failure setting the I/O channel non-blocking, per the official guidance — the direct, only cause.
Solutions / Resolution
  1. Report this operating-system error to the operating-system administrator, per the official guidance — it might require a system reboot.
Examples
N/A

No specific triggering statement is documented beyond a failed non-blocking-mode change.

Diagnostic Checks
  1. Escalate to the operating-system administrator, who may need to reboot the system.
Related Errors / Related Topics

No closely related error codes are cross-referenced for -25593 in this set yet.

The network listener couldn't make an I/O channel non-blocking — escalate to the operating-system administrator; a reboot may be needed.