[MINIFICPP-1766] ProcessSession::read can't read zero length flowfiles (DatabaseContentRepository)

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.12.0
• Assignee: Martin Zink
• Reporter: Martin Zink
• Created: 03/Mar/22 12:29
• Updated: 06/Apr/22 11:52
• Resolved: 06/Apr/22 11:52

Description

RocksDbStream::write will not create a key in the db for data with length 0, but RocksDbStream::read will check for the existence of the key even when the length is 0.

We could either

•  fix RocksDbStream::write to create an entry in the db even for zero length values or
•  fix RocksDbStream::read to return successfully when reading 0 bytes even if there is no corresponding key