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:
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If the source Extract process crashes while writing, it may leave a "short" record at the end of the trail file that lacks the necessary closing tokens. ogg-01184 expected 4 bytes but got 0 bytes in trail