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

The error OGG-01184: Expected 4 bytes but got 0 bytes in trail is a critical Oracle GoldenGate failure that occurs when a process (typically a Replicat or Data Pump) attempts to read a record trailer at a specific Relative Byte Address (RBA) but finds an empty or truncated file section. This mismatch between the expected record length and the actual data available usually indicates trail file corruption. Core Causes of OGG-01184

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The error OGG-01184 occurs in Oracle GoldenGate when a process (typically a Replicat or Pump) expects a 4-byte record trailer but encounters an empty or truncated trail file. This is almost always a sign of trail file corruption or a version mismatch between source and target. Root Causes ogg-01184 expected 4 bytes but got 0 bytes in trail

Solutions and Fixes

Solution 1: Remove Zero-Byte Files (Most Common Fix)

If you have identified that the problematic trail file has a size of 0 bytes, the solution is straightforward. GoldenGate cannot process an empty file. The error OGG-01184: Expected 4 bytes but got

D. For filesystem/OS issues:

Run OPEN and then GOTO .

: Manually deleting or overwriting trail files on the source or target can lead to inconsistent RBA pointers. Oracle Communities OGG-01184 - Oracle GoldenGate Error Messages Move trail to local disk (not NFS) Increase