Jörn Kottmann created FLINK-36138:
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Summary: KinesisStreamsSource.buil() should have helpful null
errors
Key: FLINK-36138
URL: https://issues.apache.org/jira/browse/FLINK-36138
Project: Flink
Issue Type: Improvement
Components: Connectors / AWS
Affects Versions: 1.19.1
Reporter: Jörn Kottmann
The KinesisStreamsSource is constructed with a help of a builder, in order to
successfully create an instance all fields that are null checked need to be
provided by invoking the builders set methods.
In case one required field is not set it will remain null und result in a
failure of Preconditions.checkNotNull. This exception currently doesn't say
which field is null, therefore it is only possible to resolve the error by
looking at the code (the JavaDoc explains it as well, but is missing the
sourceConfig field)
I would like to propose to communicate to the user which field must be set in
the thrown exception.
In case this can be addressed, I would like to provide a PR to fix it.
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