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

The "expected 4 bytes but got 0" condition signifies that the GoldenGate process reached a Relative Byte Address (RBA) where it expected to find metadata, but instead encountered the end of the file.

If the local trail on the source is corrupted, you must re-position the Extract process to a point in the database logs (SCN or timestamp) prior to the corruption and regenerate the trails. Prevention Best Practices ogg-01184 expected 4 bytes but got 0 bytes in trail

The error is a critical Oracle GoldenGate message indicating that a process (usually a Pump or Replicat) failed to read a mandatory 4-byte record trailer token from a trail file. This typically occurs when a record is incomplete or the file has been truncated prematurely. Understanding the Root Causes The "expected 4 bytes but got 0" condition

Check the GoldenGate Error Log (usually ggserr.log ) to find the specific sequence number and RBA where the error occurred. This typically occurs when a record is incomplete

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.

Expected {3,number,0} bytes, but got {4,number,0} bytes, in trail {0}, seqno {1,number,0}, reading record trailer token at RBA {2, Oracle Help Center Extract & Pump Abends - Oracle Communities