to regenerate and transfer a clean copy of the trail file: GGSCI> start ext_pump Use code with caution. Method 2: Skip the Corrupted Record Block (For Replicats)
Ensures deterministic, high-throughput file locking capabilities between multi-threaded GoldenGate components.
Several scenarios can lead to this mismatch in trail file byte expectations: 1. Abnormal Process Termination (Unclean Shutdown)
The filesystem filled up, the network storage (NFS/ACFS) became temporarily unavailable, or disk write errors occurred.
: A sudden crash of the source OS, database node, or the GoldenGate mgr process during a write operation can prevent the primary Extract from flushing its buffers cleanly to the disk, leaving the final file block unclosed. ogg-01184 expected 4 bytes but got 0 bytes in trail
ogg-01184 expected 4 bytes but got 0 bytes in trail
: If the source file is larger than the target file, your Data Pump simply experienced a network drop or was killed mid-transfer.
: If the Extract or Data Pump process was killed at the OS level while writing, the last record may have been partially written, leaving it without a proper trailer. Network or Disk Issues
If the error occurs on the target side, it is usually because the Data Pump successfully read the source file, but the network or target storage truncated the file when writing it to the target system. Solution 1: Force the Data Pump to Re-send the File to regenerate and transfer a clean copy of
Ensure stable connectivity to prevent partial transfers by the Pump process. OGG-01184 - Oracle GoldenGate Error Messages
View the information for your Extract to see the new trail sequence context: INFO EXTRACT extract_name Use code with caution.
OGG-01184 Message: Expected 4 bytes but got 0 bytes in trail Category: Trail File Read Error / End-of-File Handling
The Extract or Data Pump process crashed (due to an OS issue, database crash, or a memory/LOB error) while actively writing to a trail file, leaving a partial, fragmented record. : If the Extract or Data Pump process
: Manually deleting or overwriting trail files on the source or target can lead to inconsistent RBA pointers. Oracle Communities OGG-01184 - Oracle GoldenGate Error Messages
Run ls -l on both servers for the exact sequence number (e.g., no000007 ).
Did your environment experience a recent ?