David Capwell created CASSANDRA-18376:
-----------------------------------------
Summary: 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
{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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