hochung created CASSANDRA-13246: ----------------------------------- Summary: Querying by secondary index on collection column returns NullPointerException sometimes Key: CASSANDRA-13246 URL: https://issues.apache.org/jira/browse/CASSANDRA-13246 Project: Cassandra Issue Type: Bug Environment: [cqlsh 5.0.1 | Cassandra 3.7 | CQL spec 3.4.2 | Native protocol v4] One cassandra node up, with consistency ONE Reporter: hochung
Not sure if this is the absolute minimal case that produces the bug, but here are the steps for reproducing. 1. ```CREATE TABLE test ( id text, ck1 text, ck2 text, static_value text static, set_value set<text>, primary key (id, ck1, ck2) ); ``` 2. Create secondary indices on the clustering columns, static column, and collection column ``` create index on test (set_value); create index on test (static_value); create index on test (ck1); create index on test (ck2); ``` 3. Insert a null value into the `set_value` column ``` insert into test (id, ck1, ck2, static_value, set_value) values ('id', 'key1', 'key2', 'static', {'one', 'two'} ); ``` Sanity check: ``` select * from test; id | ck1 | ck2 | static_value | set_value ----+------+------+--------------+---------------- id | key1 | key2 | static | {'one', 'two'} ``` 4. Set the set_value to be empty ``` update test set set_value = {} where id = 'id' and ck1 = 'key1' and ck2 = 'key2'; ``` 5. Make a select query that uses `CONTAINS` in the `set_value` column ``` select * from test where ck2 = 'key2' and static_value = 'static' and set_value contains 'one' allow filtering; ``` Here we get a ReadFailure: ``` ReadFailure: Error from server: code=1300 [Replica(s) failed to execute read] message="Operation failed - received 0 responses and 1 failures" info={'failures': 1, 'received_responses': 0, 'required_responses': 1, 'consistency': 'ONE'} ``` Logs show a NullPointerException ``` java.lang.RuntimeException: java.lang.NullPointerException at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:2470) ~[apache-cassandra-3.7.jar:3.7] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_101] at org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164) ~[apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$LocalSessionFutureTask.run(AbstractLocalAwareExecutorService.java:136) [apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) [apache-cassandra-3.7.jar:3.7] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_101] Caused by: java.lang.NullPointerException: null at org.apache.cassandra.db.filter.RowFilter$SimpleExpression.isSatisfiedBy(RowFilter.java:720) ~[apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.db.filter.RowFilter$CQLFilter$1IsSatisfiedFilter.applyToRow(RowFilter.java:303) ~[apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.db.transform.BaseRows.hasNext(BaseRows.java:120) ~[apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.db.filter.RowFilter$CQLFilter$1IsSatisfiedFilter.applyToPartition(RowFilter.java:293) ~[apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.db.filter.RowFilter$CQLFilter$1IsSatisfiedFilter.applyToPartition(RowFilter.java:281) ~[apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.db.transform.BasePartitions.hasNext(BasePartitions.java:76) ~[apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$Serializer.serialize(UnfilteredPartitionIterators.java:289) ~[apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.db.ReadResponse$LocalDataResponse.build(ReadResponse.java:134) ~[apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.db.ReadResponse$LocalDataResponse.<init>(ReadResponse.java:127) ~[apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.db.ReadResponse$LocalDataResponse.<init>(ReadResponse.java:123) ~[apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.db.ReadResponse.createDataResponse(ReadResponse.java:65) ~[apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.db.ReadCommand.createResponse(ReadCommand.java:292) ~[apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.service.StorageProxy$LocalReadRunnable.runMayThrow(StorageProxy.java:1799) ~[apache-cassandra-3.7.jar:3.7] at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:2466) ~[apache-cassandra-3.7.jar:3.7] ... 5 common frames omitted ``` -- This message was sent by Atlassian JIRA (v6.3.15#6346)