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

OGG-01184

The error 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

• What the OGG-01184 error means.
• The architecture behind trail files.
• Common scenarios that trigger “expected 4 bytes but got 0 bytes in trail.”
• Step-by-step troubleshooting and resolution strategies.
• Preventive measures to avoid recurrence.

# Example error message ERROR OGG-01184 Expected 4 bytes, but got 0 bytes, in trail ./dirdat/et000005, seqno 5, RBA 1234567. Use code with caution. ogg-01184 expected 4 bytes but got 0 bytes in trail

: The process reached the end of the trail file earlier than expected, often because a previous write operation (by an Extract or Pump) was interrupted before the record trailer could be written. Checkpoint Mismatch OGG-01184 The error occurs in Oracle GoldenGate when