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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-10068) Batchlog replay fails with exception after a node is decommissioned
Date Tue, 25 Aug 2015 17:23:47 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-10068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksey Yeschenko updated CASSANDRA-10068:
------------------------------------------
    Assignee: Ariel Weisberg  (was: Blake Eggleston)

> Batchlog replay fails with exception after a node is decommissioned
> -------------------------------------------------------------------
>
>                 Key: CASSANDRA-10068
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10068
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Joel Knighton
>            Assignee: Ariel Weisberg
>             Fix For: 3.0 beta 2
>
>         Attachments: n1.log, n2.log, n3.log, n4.log, n5.log
>
>
> This issue is reproducible through a Jepsen test of materialized views that crashes and
decommissions nodes throughout the test.
> At the conclusion of the test, a batchlog replay is initiated through nodetool and hits
the following assertion due to a missing host ID: https://github.com/apache/cassandra/blob/3413e557b95d9448b0311954e9b4f53eaf4758cd/src/java/org/apache/cassandra/service/StorageProxy.java#L1197
> A nodetool status on the node with failed batchlog replay shows the following entry for
the decommissioned node:
> DN  10.0.0.5  ?          256          ?       null                                  rack1
> On the unaffected nodes, there is no entry for the decommissioned node as expected.
> There are occasional hits of the same assertions for logs in other nodes; it looks like
the issue might occasionally resolve itself, but one node seems to have the errant null entry
indefinitely.
> In logs for the nodes, this possibly unrelated exception also appears:
> java.lang.RuntimeException: Trying to get the view natural endpoint on a non-data replica
> 	at org.apache.cassandra.db.view.MaterializedViewUtils.getViewNaturalEndpoint(MaterializedViewUtils.java:91)
~[apache-cassandra-3.0.0-alpha1-SNAPSHOT.jar:3.0.0-alpha1-SNAPSHOT]
> I have a running cluster with the issue on my machine; it is also repeatable.
> Nothing stands out in the logs of the decommissioned node (n4) for me. The logs of each
node in the cluster are attached.



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