[CASSANDRA-10290] 2.1 EmptyComposite cannot be cast - SliceQueryPager

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Duplicate
• Severity: Normal
• Since Version: 2.1.8
• Assignee: Unassigned
• Reporter: Sebastian Estevez
• Created: 08/Sep/15 22:43
• Updated: 16/Apr/19 09:30
• Resolved: 16/Sep/15 15:37

Description

Sporadically seeing this dump :

 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

The data model is as follows:

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)
)

Issue Links

• duplicates: CASSANDRA-10352 Paging with DISTINCT and IN can throw ClassCastException