Qinghui Xu created KAFKA-8889:
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Summary: Root cause is lost for FetchSessionHandler.handleError
Key: KAFKA-8889
URL: https://issues.apache.org/jira/browse/KAFKA-8889
Project: Kafka
Issue Type: Bug
Reporter: Qinghui Xu
FetchSessionHandler is not logging properly the errors, and produces error
messages sometimes hard to understand the root cause.
More precisely, FetchSessionHandler.handleError prints Throwable.toString,
which is merely a summary message, and loses the stacktrace of the error. For
example, we can get some messages, but cannot get a clue about why:
{code:java}
Error sending fetch request (sessionId=1655236778, epoch=99) to node 01:
org.apache.kafka.common.errors.DisconnectException {code}
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