Sebastian Estevez created CASSANDRA-10290:
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Summary: 2.1 EmptyComposite cannot be cast - SliceQueryPager
Key: CASSANDRA-10290
URL: https://issues.apache.org/jira/browse/CASSANDRA-10290
Project: Cassandra
Issue Type: Bug
Reporter: Sebastian Estevez
Sporadically seeing this dump during Spark jobs on Cassandra:
{code}
ERROR [SharedPool-Worker-3] 2015-09-07 12:01:18,101 ErrorMessage.java:251 -
Unexpected exception during request java.lang.ClassCastException:
org.apache.cassandra.db.composites.Composites$EmptyComposite cannot be cast to
org.apache.cassandra.db.composites.CellName at
org.apache.cassandra.service.pager.SliceQueryPager.<init>(SliceQueryPager.java:64)
~[cassandra-all-2.1.8.689.jar:2.1.8.689] at
org.apache.cassandra.service.pager.MultiPartitionPager.makePager(MultiPartitionPager.java:86)
~[cassandra-all-2.1.8.689.jar:2.1.8.689] at
org.apache.cassandra.service.pager.MultiPartitionPager.<init>(MultiPartitionPager.java:69)
~[cassandra-all-2.1.8.689.jar:2.1.8.689] at
org.apache.cassandra.service.pager.QueryPagers.pager(QueryPagers.java:102)
~[cassandra-all-2.1.8.689.jar:2.1.8.689] at
org.apache.cassandra.service.pager.QueryPagers.pager(QueryPagers.java:126)
~[cassandra-all-2.1.8.689.jar:2.1.8.689] at
org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:228)
~[cassandra-all-2.1.8.689.jar:2.1.8.689] at
org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:67)
~[cassandra-all-2.1.8.689.jar:2.1.8.689] at
org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:238)
~[cassandra-all-2.1.8.689.jar:2.1.8.689] at
org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:493)
~[cassandra-all-2.1.8.689.jar:2.1.8.689] at
com.datastax.bdp.cassandra.cql3.DseQueryHandler$PreparedStatementExecution.execute(DseQueryHandler.java:310)
~[dse.jar:4.7.3]
and schema
{code}
The data model is as follows:
{code}
CREATE TABLE events (
campaignid uuid,
eventtype int,
occurrence timeuuid,
city text,
clientproductid uuid,
continentiso text,
continentname text,
countryiso text,
countryname text,
ip text,
ipzip text,
isus boolean,
latitude double,
longitude double,
masterproductid uuid,
offersitekeys LIST<uuid>,
stateiso text,
statename text,
userid uuid,
visitorsource text,
zip text,
PRIMARY KEY (( campaignid, eventtype ), occurrence)
)
{code}
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