Sergei Morozov created KAFKA-10565:
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Summary: Console producer displays interactive prompt even when
input is not interactive
Key: KAFKA-10565
URL: https://issues.apache.org/jira/browse/KAFKA-10565
Project: Kafka
Issue Type: Bug
Components: tools
Affects Versions: 2.6.0
Reporter: Sergei Morozov
The prompt introduced in KAFKA-2955 may be indeed helpful when a user enters
messages manually but when the messages are read from the file, it's not
helpful and may be really annoying.
h5. Steps to reproduce
# Create a file with a decent number of messages (e.g. 80,000 in my case)
# Start console producer and forward the file contents to its STDIN:
{{$ kafka-console-producer \}}
{{ --broker-list b1,b2,b3 \}}
{{ --topic test < messages.txt}}
{{>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ... >>>>>>>>>>>>>>}}
For each message the producer reads from the file, there's one > displayed
polluting the output.
h5. Expected behavior:
# If the producer can detect that the input stream is a TTY, it should not
display the prompt.
# Ideally, there should be a configuration parameter to disable this
explicitly.
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