Russ Hatch created CASSANDRA-12026:
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Summary: update NEWS.txt to explain system schema exceptions
during partial cluster upgrade
Key: CASSANDRA-12026
URL: https://issues.apache.org/jira/browse/CASSANDRA-12026
Project: Cassandra
Issue Type: Bug
Reporter: Russ Hatch
Upgrade tests found this exception occuring during upgrades:
{noformat}
node2: ERROR [MessagingService-Incoming-/127.0.0.1] 2016-06-16 20:14:59,268
CassandraDaemon.java:217 - Exception in thread
Thread[MessagingService-Incoming-/127.0.0.1,5,main]
java.lang.RuntimeException: Unknown column cdc during deserialization
at
org.apache.cassandra.db.Columns$Serializer.deserialize(Columns.java:433)
~[apache-cassandra-3.7.jar:3.7]
at
org.apache.cassandra.db.SerializationHeader$Serializer.deserializeForMessaging(SerializationHeader.java:407)
~[apache-cassandra-3.7.jar:3.7]
at
org.apache.cassandra.db.rows.UnfilteredRowIteratorSerializer.deserializeHeader(UnfilteredRowIteratorSerializer.java:192)
~[apache-cassandra-3.7.jar:3.7]
at
org.apache.cassandra.db.partitions.PartitionUpdate$PartitionUpdateSerializer.deserialize30(PartitionUpdate.java:668)
~[apache-cassandra-3.7.jar:3.7]
at
org.apache.cassandra.db.partitions.PartitionUpdate$PartitionUpdateSerializer.deserialize(PartitionUpdate.java:656)
~[apache-cassandra-3.7.jar:3.7]
at
org.apache.cassandra.db.Mutation$MutationSerializer.deserialize(Mutation.java:341)
~[apache-cassandra-3.7.jar:3.7]
at
org.apache.cassandra.db.Mutation$MutationSerializer.deserialize(Mutation.java:350)
~[apache-cassandra-3.7.jar:3.7]
at
org.apache.cassandra.service.MigrationManager$MigrationsSerializer.deserialize(MigrationManager.java:610)
~[apache-cassandra-3.7.jar:3.7]
at
org.apache.cassandra.service.MigrationManager$MigrationsSerializer.deserialize(MigrationManager.java:593)
~[apache-cassandra-3.7.jar:3.7]
at org.apache.cassandra.net.MessageIn.read(MessageIn.java:114)
~[apache-cassandra-3.7.jar:3.7]
at
org.apache.cassandra.net.IncomingTcpConnection.receiveMessage(IncomingTcpConnection.java:190)
~[apache-cassandra-3.7.jar:3.7]
at
org.apache.cassandra.net.IncomingTcpConnection.receiveMessages(IncomingTcpConnection.java:178)
~[apache-cassandra-3.7.jar:3.7]
at
org.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:92)
~[apache-cassandra-3.7.jar:3.7]
{noformat}
Which is apparently normal and should subside after full cluster upgrade to
post-3.0 versions.
NEWS.txt needs an update to let users know this is not a problem during their
upgrade.
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