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Michael Keeney commented on CASSANDRA-10381: -------------------------------------------- The latter, when running 2.0.14 cqlsh against a 2.1.8 node. > 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 > > > 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 -- This message was sent by Atlassian JIRA (v6.3.4#6332)