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From "hochung (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-13246) Querying by secondary index on collection column returns NullPointerException sometimes
Date Tue, 21 Feb 2017 22:24:44 GMT
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
```



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