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https://issues.apache.org/jira/browse/CASSANDRA-10381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14963904#comment-14963904
]
Benjamin Lerer commented on CASSANDRA-10381:
--------------------------------------------
The result for the DTests are
[here|http://cassci.datastax.com/view/Dev/view/blerer/job/blerer-10381-3.0-dtest/6/]
> NullPointerException in cqlsh paging through CF with static columns
> -------------------------------------------------------------------
>
> Key: CASSANDRA-10381
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10381
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Michael Keeney
> Assignee: Benjamin Lerer
> Labels: cqlsh, nullpointerexception, range
> Fix For: 2.1.x, 2.2.x, 3.0.x
>
>
> When running select count( * ) from cqlsh with limit, the following NPE
> occurs:
> select count( * ) from tbl1 limit 50000 ;
> {code}
> ERROR [SharedPool-Worker-4] 2015-09-16 14:49:43,480 QueryMessage.java:132 -
> Unexpected error during query
> java.lang.NullPointerException: null
> at
> org.apache.cassandra.service.pager.RangeSliceQueryPager.containsPreviousLast(RangeSliceQueryPager.java:99)
> ~[cassandra-all-2.1.8.621.jar:2.1.8.621]
> at
> org.apache.cassandra.service.pager.AbstractQueryPager.fetchPage(AbstractQueryPager.java:119)
> ~[cassandra-all-2.1.8.621.jar:2.1.8.621]
> at
> org.apache.cassandra.service.pager.RangeSliceQueryPager.fetchPage(RangeSliceQueryPager.java:37)
> ~[cassandra-all-2.1.8.621.jar:2.1.8.621]
> at
> org.apache.cassandra.cql3.statements.SelectStatement.pageCountQuery(SelectStatement.java:286)
> ~[cassandra-all-2.1.8.621.jar:2.1.8.621]
> at
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:230)
> ~[cassandra-all-2.1.8.621.jar:2.1.8.621]
> at
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:67)
> ~[cassandra-all-2.1.8.621.jar:2.1.8.621]
> at
> org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:238)
> ~[cassandra-all-2.1.8.621.jar:2.1.8.621]
> at
> com.datastax.bdp.cassandra.cql3.DseQueryHandler$StatementExecution.execute(DseQueryHandler.java:291)
> ~[dse-4.7.2.jar:4.7.2]
> at
> com.datastax.bdp.cassandra.cql3.DseQueryHandler$Operation.executeWithTiming(DseQueryHandler.java:223)
> ~[dse-4.7.2.jar:4.7.2]
> at
> com.datastax.bdp.cassandra.cql3.DseQueryHandler$Operation.executeWithAuditLogging(DseQueryHandler.java:259)
> ~[dse-4.7.2.jar:4.7.2]
> at
> com.datastax.bdp.cassandra.cql3.DseQueryHandler.process(DseQueryHandler.java:94)
> ~[dse-4.7.2.jar:4.7.2]
> at
> org.apache.cassandra.transport.messages.QueryMessage.execute(QueryMessage.java:119)
> ~[cassandra-all-2.1.8.621.jar:2.1.8.621]
> at
> org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:439)
> [cassandra-all-2.1.8.621.jar:2.1.8.621]
> at
> org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:335)
> [cassandra-all-2.1.8.621.jar:2.1.8.621]
> at
> io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
> [netty-all-4.0.23.Final.jar:4.0.23.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
> [netty-all-4.0.23.Final.jar:4.0.23.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.access$700(AbstractChannelHandlerContext.java:32)
> [netty-all-4.0.23.Final.jar:4.0.23.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext$8.run(AbstractChannelHandlerContext.java:324)
> [netty-all-4.0.23.Final.jar:4.0.23.Final]
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> [na:1.7.0_75]
> at
> org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164)
> [cassandra-all-2.1.8.621.jar:2.1.8.621]
> at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105)
> [cassandra-all-2.1.8.621.jar:2.1.8.621]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
> {code}
> Table definition looks something like:
> {code}
> CREATE TABLE tbl1 (
> field1 bigint,
> field2 int,
> field3 timestamp,
> field4 map<int, float>,
> field5 text static,
> field6 text static,
> field7 text static
> PRIMARY KEY (field1, field2, field3)
> ) WITH CLUSTERING ORDER BY (field2 ASC, field3 ASC)
> AND bloom_filter_fp_chance = 0.1
> AND caching = '{"keys":"ALL", "rows_per_partition":"NONE"}'
> AND comment = ''
> AND compaction = {'class':
> 'org.apache.cassandra.db.compaction.LeveledCompactionStrategy'}
> AND compression = {'sstable_compression':
> 'org.apache.cassandra.io.compress.LZ4Compressor'}
> ...
> {code}
> Following appears in debug log leading up to the error:
> {code}
> DEBUG [SharedPool-Worker-1] 2015-09-17 15:32:06,484
> AbstractQueryPager.java:95 - Fetched 101 live rows
> DEBUG [SharedPool-Worker-1] 2015-09-17 15:32:06,484
> AbstractQueryPager.java:133 - Remaining rows to page: 1
> DEBUG [SharedPool-Worker-1] 2015-09-17 15:32:06,485 SelectStatement.java:285
> - New maxLimit for paged count query is 1
> DEBUG [SharedPool-Worker-1] 2015-09-17 15:32:06,486 StorageProxy.java:1646 -
> Estimated result rows per range: 2586.375; requested rows: 2, ranges.size():
> 762; concurrent range requests: 1
> DEBUG [SharedPool-Worker-1] 2015-09-17 15:32:06,487
> AbstractQueryPager.java:95 - Fetched 2 live rows
> ERROR [SharedPool-Worker-1] 2015-09-17 15:32:06,487 QueryMessage.java:132 -
> Unexpected error during query
> java.lang.NullPointerException: null
> {code}
> I'm working on recreating to have a workable dataset. When running cqlsh
> from remote node version 2.0.14, query returns successfully
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