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Hibernate Envers creates unnecessary audit rows for tables with LOB data

Description

Given an audited entity that contains an audited @Lob byte[] field and some other non audited field (annotated with @NotAudited), an audit row will be incorrectly inserted whenever the non audited field is modified.

The impact of this issue can be very significant if the @Lob byte[] field contains a large amount of binary data such as images, and the non-audited field is updated very frequently, as this will cause very rapid growth of the audit table.

Note that the issue can be worked around by using a String data type annotated with @Lob instead of byte[], and base64 encoding the binary data.

Environment

None

Status

Assignee

Chris Cranford

Reporter

Jon Kranes

Components

Fix versions

Affects versions

5.1.0

Priority

Major