Details
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Bug
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Status: Open
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Major
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Resolution: Unresolved
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1.8.0
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None
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None
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None
Description
Symptoms: when batch-size is larger than 1 (tested with 10 and 100), the processor would occasionally:
(1). when in auto-ack mode: lose messages, i.e., messages consumed from server but without producing flowfiles;
(2). when auto-ack is disabled, messages could get stuck in "unacked" mode.
We also found a work-around with batch-size 1 with auto-ack off; this work-around seems reliable enough.
Based on above symptoms and the work-around, it appears to be a race-condition related issue. (for the same reason, I could not provide a test-case to reliably recreate the symptom.