The copy on her drive had a trail of zero bytes.
When you encounter OGG-01184 , the process reads the start of a block but finds nothing where the trailer token should be. The error syntax typically looks like this:
: For detailed recovery steps, Oracle documentation frequently points to Doc ID 1138409.1 on My Oracle Support , which provides specific instructions for handling trail file mismatches. Extract & Pump Abends — oracle-mosc
Always use STOP [process] gracefully rather than killing OS PIDs. AI responses may include mistakes. Learn more ogg-01184 expected 4 bytes but got 0 bytes in trail
in GGSCI: ALTER EXTRACT [name], ETROLLOVER .
What is the and RBA reported in the error?
ADD EXTRACT ext01, TRANLOG, BEGIN SCN 123456789 The copy on her drive had a trail of zero bytes
When you face this error, the GoldenGate process will likely be in an ABENDED (abnormal end) state. The primary goal is to and get replication back on track.
If the trail file is simply truncated, there is no next record.
: Finding "0 bytes" means the file terminated prematurely. The metadata promised more data, but the filesystem returned an EOF (End of File). Root Causes of Trail File Truncation Extract & Pump Abends — oracle-mosc Always use
She ran a differential against the source recording — the one from the deep-sea hydrophone array, pulled up last week. The original had the four bytes: 0x4B 0x4E 0x4F 0x57 . ASCII: .
the Pump. It will automatically detect the missing files and rebuild them from the source trail files. Start the Replicat once the files are restored. 2. Manual Re-positioning
You lose all changes after RBA 4819000. Resync required for the missing window.
Prevention is always better than cure. Here are key strategies to protect your GoldenGate environment:
Troubleshooting OGG-01184: Expected 4 Bytes But Got 0 Bytes in Trail