Ogg-01184 Expected 4 Bytes But Got 0 Bytes In Trail May 2026

Solving the OGG-01184 Error: "Expected 4 Bytes But Got 0 Bytes in Trail"

Introduction

For database administrators and data engineers working with Oracle GoldenGate (OGG), few things are as frustrating as a replication process that suddenly abends (abnormally ends) with a cryptic error message. One such notorious error is OGG-01184, accompanied by the phrase expected 4 bytes but got 0 bytes in trail.

Reposition the process: ALTER , RBA . Prevention Tips ogg-01184 expected 4 bytes but got 0 bytes in trail

ALTER REPLICAT , EXTSEQNO , EXTRBA 0 Regenerate the Trail: Solving the OGG-01184 Error: "Expected 4 Bytes But

Action. Contact Oracle Support. The trail file may be corrupted. Oracle Help Center OGG-01184 - Oracle GoldenGate Error Messages Prevention Tips ALTER REPLICAT , EXTSEQNO , EXTRBA

Abrupt System Failures: Unexpected shutdowns, power outages, or OS crashes can lead to "partial writes," where the trail file header is updated but the actual record data or trailer is not flushed to disk.