[jira] [Created] (KAFKA-5305) Missing logging information in ReplicaFetcher

["Andrey (JIRA)" <ji...@apache.org>]

Andrey created KAFKA-5305:
-----------------------------

             Summary: Missing logging information in ReplicaFetcher
                 Key: KAFKA-5305
                 URL: https://issues.apache.org/jira/browse/KAFKA-5305
             Project: Kafka
          Issue Type: Bug
    Affects Versions: 0.10.1.1
            Reporter: Andrey


Currently we see a lot of messages like this:
{code}[2017-05-22 12:13:18,707] WARN [ReplicaFetcherThread-0-1], Error in fetch kafka.server.ReplicaFetcherThread$FetchRequest@300065c5 (kafka.server.ReplicaFetcherThread)
java.net.SocketTimeoutException: Failed to connect within 30000 ms
	at kafka.server.ReplicaFetcherThread.sendRequest(ReplicaFetcherThread.scala:249)
	at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:238)
	at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:42)
	at kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:118)
	at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:103)
	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
{code}

However it's not clear what host is not available. 

Expected:
* Failed to connect within 30000 ms to host:port

Note:
* KAFKA-5303 might help with details



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