[KAFKA-8320] Connect Error handling is using the RetriableException from common package - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: 2.0.0
Fix Version/s: 2.0.2, 2.3.0, 2.1.2, 2.2.1
Component/s: connect
Labels:
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Description

When a SourceConnector throws

org.apache.kafka.connect.errors.RetriableException during the poll, connect runtime is supposed to ignore the error and retry per https://cwiki.apache.org/confluence/display/KAFKA/KIP-298%3A+Error+Handling+in+Connect . When the conenctors throw the execption its not handled gracefully.

WorkerSourceTask is catching the exception from wrong package `org.apache.kafka.common.errors`. It is not clear from the API standpoint as to which package the connect framework supports. The safest thing would be to support both the packages even though it's less desirable.