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https://issues.apache.org/jira/browse/CASSANDRA-14702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16610344#comment-16610344
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Rohit Singh commented on CASSANDRA-14702:
-----------------------------------------
We have Batchstatement which inserts in DB and while batch operation was going
on there was update being performed on nodes one after the other. During this
cassandra rejected the batchstatement with writetimeoutexception mentioned in
description of bug.
> Cassandra Write failed even when the required nodes to Ack(consistency) are
> up.
> -------------------------------------------------------------------------------
>
> Key: CASSANDRA-14702
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14702
> Project: Cassandra
> Issue Type: Bug
> Reporter: Rohit Singh
> Priority: Blocker
>
> Hi,
> We have following configuration in our project for cassandra.
> Total nodes in Cluster-5
> Replication Factor- 3
> Consistency- LOCAL_QUORUM
> We get the writetimeout exception from cassandra even when 2 nodes are up and
> why does stack trace says that 3 replica were required when consistency is 2?
> Below is the exception we got:-
> com.datastax.driver.core.exceptions.WriteTimeoutException: Cassandra timeout
> during write query at consistency LOCAL_QUORUM (3 replica were required but
> only 2 acknowledged the write)
> at com.datastax.driver.core.Responses$Error$1.decode(Responses.java:59)
> at com.datastax.driver.core.Responses$Error$1.decode(Responses.java:37)
> at com.datastax.driver.core.Message$ProtocolDecoder.decode(Message.java:289)
> at com.datastax.driver.core.Message$ProtocolDecoder.decode(Message.java:269)
> at
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:88)
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