In Trail — Ogg-01184 Expected 4 Bytes But Got 0 Bytes

The trail file was closed abruptly, often due to a disk full condition, a network glitch during a remote write, or a forced process termination.

indicates that an Oracle GoldenGate process (Extract, Pump, or Replicat) encountered a structural discrepancy in a trail file. Specifically, the process expected a 4-byte token—typically a record trailer—but found 0 bytes, signaling that the file ended prematurely or is corrupted. Oracle Help Center Common Causes Trail File Corruption: ogg-01184 expected 4 bytes but got 0 bytes in trail