Details
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Bug
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Status: Resolved
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Normal
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Resolution: Fixed
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Correctness - API / Semantic Implementation
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Normal
Description
When a compare-and-set operation specifying an equality criterion with a non-null value encounters an empty collection (null cell), the server throws a NullPointerException and the query fails.
This does not happen for non-frozen collections.
There's a self-contained test case at github.
The stack trace for 3.11.0 is:
ERROR [Native-Transport-Requests-1] 2017-11-27 12:59:26,924 QueryMessage.java:129 - Unexpected error during query java.lang.NullPointerException: null at org.apache.cassandra.cql3.ColumnCondition$CollectionBound.appliesTo(ColumnCondition.java:546) ~[apache-cassandra-3.11.0.jar:3.11.0] at org.apache.cassandra.cql3.statements.CQL3CasRequest$ColumnsConditions.appliesTo(CQL3CasRequest.java:324) ~[apache-cassandra-3.11.0.jar:3.11.0] at org.apache.cassandra.cql3.statements.CQL3CasRequest.appliesTo(CQL3CasRequest.java:210) ~[apache-cassandra-3.11.0.jar:3.11.0] at org.apache.cassandra.service.StorageProxy.cas(StorageProxy.java:265) ~[apache-cassandra-3.11.0.jar:3.11.0] at org.apache.cassandra.cql3.statements.ModificationStatement.executeWithCondition(ModificationStatement.java:441) ~[apache-cassandra-3.11.0.jar:3.11.0] at org.apache.cassandra.cql3.statements.ModificationStatement.execute(ModificationStatement.java:416) ~[apache-cassandra-3.11.0.jar:3.11.0] at org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:217) ~[apache-cassandra-3.11.0.jar:3.11.0] at org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:248) ~[apache-cassandra-3.11.0.jar:3.11.0] at org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:233) ~[apache-cassandra-3.11.0.jar:3.11.0] at org.apache.cassandra.transport.messages.QueryMessage.execute(QueryMessage.java:116) ~[apache-cassandra-3.11.0.jar:3.11.0] at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:517) [apache-cassandra-3.11.0.jar:3.11.0] at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:410) [apache-cassandra-3.11.0.jar:3.11.0] at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [netty-all-4.0.44.Final.jar:4.0.44.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:357) [netty-all-4.0.44.Final.jar:4.0.44.Final] at io.netty.channel.AbstractChannelHandlerContext.access$600(AbstractChannelHandlerContext.java:35) [netty-all-4.0.44.Final.jar:4.0.44.Final] at io.netty.channel.AbstractChannelHandlerContext$7.run(AbstractChannelHandlerContext.java:348) [netty-all-4.0.44.Final.jar:4.0.44.Final] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_151] at org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:162) [apache-cassandra-3.11.0.jar:3.11.0] at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:109) [apache-cassandra-3.11.0.jar:3.11.0] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_151]