[NIFI-11232] FlowFileAccessException using ContentClaimInputStream

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.20.0
• Fix Version/s: 2.0.0-M1, 1.21.0
• Component/s: Core Framework
• Assignee: Christian Wahl
• Reporter: Christian Wahl
• Created: 28/Feb/23 17:49
• Updated: 27/Mar/23 21:14
• Resolved: 27/Mar/23 21:14

Description

NIFI-10888 introduced a BufferedInputStream inside of the ContentClaimInputStream to speed up rewinding in small flow files (<1MB).

Under some circumstances it can happen in reset that the delegate stream is closed and a new delegate stream is created, but the bufferedIn is not recreated with the new delegate.

During the next read this leads to a situation where it tries to read from bufferedIn and bufferedIn in turn tries to read from the old and closed delegate stream causing an IOException or FlowFileAccessException.

Issue Links

• is caused by: NIFI-10888 Improve performance of Record Readers when inferring schema of small FlowFiles
• links to: GitHub Pull Request #6996