Oleg Golovin created KAFKA-1804:
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Summary: Kafka network thread lacks top exception handler
Key: KAFKA-1804
URL: https://issues.apache.org/jira/browse/KAFKA-1804
Project: Kafka
Issue Type: Bug
Reporter: Oleg Golovin
We have faced the problem that some kafka network threads may fail, so that
jstack attached to Kafka process showed fewer threads than we had defined in
our Kafka configuration. This leads to API requests processed by this thread
getting stuck unresponed.
There were no error messages in the log regarding thread failure.
We have examined Kafka code to find out there is no top try-catch block in the
network thread code, which could at least log possible errors.
Could you add top-level try-catch block for the network thread, which should
recover network thread in case of exception?
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