Christian Wahl created NIFI-11232:
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Summary: FlowFileAccessException using ContentClaimInputStream
Key: NIFI-11232
URL: https://issues.apache.org/jira/browse/NIFI-11232
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Affects Versions: 1.20.0
Reporter: Christian Wahl
NIFI-10888 introduced a BufferedInputStream inside of the
ContentClaimInputStream to speed up rewinding in small flow files (<1MB).
Under some circumstances it can happen during 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.
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