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

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

GGSCI> INFO EXTRACT *, TASKS
GGSCI> LAG EXTRACT *, REPLICAT *

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. ogg-01184 expected 4 bytes but got 0 bytes in trail

Part 4: Preventing OGG-01184 Before It Happens

The best fix is never encountering this error. Implement these hardened practices. The error OGG-01184 occurs in Oracle GoldenGate when

Step 3: Start the replicat with NOHANDLECOLLISIONS (if appropriate) or ALLOWNOOPUPDATES. Look into logs from the operation that produced

5. Review Operation Logs

• Look into logs from the operation that produced the error for any earlier warnings or errors.

Reference Official Support: For detailed recovery steps, Oracle documentation frequently points to Doc ID 1138409.1 on My Oracle Support, which provides specific instructions for handling trail file mismatches. Extract & Pump Abends — oracle-mosc

Network Interruptions: For Pump processes, a network glitch during the transfer of trail files from source to target can result in a truncated file on the target side.