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https://issues.apache.org/jira/browse/CASSANDRA-18376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Capwell updated CASSANDRA-18376:
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Bug Category: Parent values: Correctness(12982)Level 1 values:
Unrecoverable Corruption / Loss(13161)
Complexity: Normal
Discovered By: Fuzz Test
Fix Version/s: 5.x
Severity: Normal
Status: Open (was: Triage Needed)
> CEP-15 (Accord) NPE in accord.topology.TopologyManager.localForEpoch
> --------------------------------------------------------------------
>
> Key: CASSANDRA-18376
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18376
> Project: Cassandra
> Issue Type: Bug
> Components: Accord
> Reporter: David Capwell
> Priority: Normal
> Fix For: 5.x
>
>
> {code}
> java.lang.NullPointerException
> at
> accord.topology.TopologyManager.localForEpoch(TopologyManager.java:402)
> at accord.local.Node.trySelectProgressKey(Node.java:431)
> at accord.messages.TxnRequest.progressKey(TxnRequest.java:151)
> at accord.messages.TxnRequest.process(TxnRequest.java:143)
> at
> org.apache.cassandra.service.accord.AccordVerbHandler.doVerb(AccordVerbHandler.java:46)
> {code}
> accord.topology.TopologyManager.Epochs#get is able to return null, yet the
> callers do not handle
> {code}
> private EpochState get(long epoch)
> {
> if (epoch > currentEpoch || epoch <= currentEpoch - epochs.length)
> return null;
> return epochs[(int) (currentEpoch - epoch)];
> }
> {code}
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