When the filesystem hosting the trail directory runs out of space, GoldenGate cannot write the complete 4-byte header and subsequent data. The file is truncated at the point where the write failed. Replicat later reads this truncated file and encounters 0 bytes instead of the expected header.
To avoid OGG-01184 in production:
Resolution depends on whether you can afford to lose the missing data and whether the source trail is recoverable. ogg-01184 expected 4 bytes but got 0 bytes in trail
The Replicat may have processed all available data and is attempting to read the next trail file in the sequence. If the Extract process on the source has stopped or is lagging significantly, it might not have created the next trail file yet, or it has created a placeholder file that is currently empty. When the filesystem hosting the trail directory runs