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https://issues.apache.org/jira/browse/CASSANDRA-8917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14380848#comment-14380848
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Philip Thompson commented on CASSANDRA-8917:
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I don't believe the number of seed nodes is related to the issue. Have you run
into the problem again?
> Upgrading from 2.0.9 to 2.1.3 with 3 nodes, CL = quorum causes exceptions
> -------------------------------------------------------------------------
>
> Key: CASSANDRA-8917
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8917
> Project: Cassandra
> Issue Type: Bug
> Environment: C* 2.0.9, Centos 6.5, Java 1.7.0_72, spring data
> cassandra 1.1.1, cassandra java driver 2.0.9
> Reporter: Gary Ogden
> Fix For: 2.1.4
>
> Attachments: b_output.log, jersey_error.log, node1-cassandra.yaml,
> node1-system.log, node2-cassandra.yaml, node2-system.log,
> node3-cassandra.yaml, node3-system.log
>
>
> We have java apps running on glassfish that read/write to our 3 node cluster
> running on 2.0.9.
> we have the CL set to quorum for all reads and writes.
> When we started to upgrade the first node and did the sstable upgrade on that
> node, we started getting this error on reads and writes:
> com.datastax.driver.core.exceptions.UnavailableException: Not enough replica
> available for query at consistency QUORUM (2 required but only 1 alive)
> How is that possible when we have 3 nodes total, and there was 2 that were up
> and it's saying we can't get the required CL?
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