Brice Figureau created CASSANDRA-10630:
------------------------------------------
Summary: NullPointerException in DeletionInfo.isDeleted
Key: CASSANDRA-10630
URL: https://issues.apache.org/jira/browse/CASSANDRA-10630
Project: Cassandra
Issue Type: Bug
Components: CQL
Environment: Linux 64 bits
Reporter: Brice Figureau
The following CQL query:
{code:sql}
select count(*) from messages;
{code}
sometimes produces the following stack trace:
{code}
ERROR [SharedPool-Worker-1] 2015-10-31 16:32:22,606 ErrorMessage.java:251 -
Unexpected exception during request
java.lang.NullPointerException: null
at
org.apache.cassandra.db.DeletionInfo.isDeleted(DeletionInfo.java:138)
~[apache-cassandra-2.1.11.jar:2.1.11]
at
org.apache.cassandra.service.pager.RangeSliceQueryPager.containsPreviousLast(RangeSliceQueryPager.java:102)
~[apache-cassandra-2.1.11.jar:2.1.11]
at
org.apache.cassandra.service.pager.AbstractQueryPager.fetchPage(AbstractQueryPager.java:119)
~[apache-cassandra-2.1.11.jar:2.1.11]
at
org.apache.cassandra.service.pager.RangeSliceQueryPager.fetchPage(RangeSliceQueryPager.java:39)
~[apache-cassandra-2.1.11.jar:2.1.11]
at
org.apache.cassandra.cql3.statements.SelectStatement.pageCountQuery(SelectStatement.java:286)
~[apache-cassandra-2.1.11.jar:2.1.11]
at
org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:230)
~[apache-cassandra-2.1.11.jar:2.1.11]
at
org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:67)
~[apache-cassandra-2.1.11.jar:2.1.11]
at
org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:238)
~[apache-cassandra-2.1.11.jar:2.1.11]
at
org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:260)
~[apache-cassandra-2.1.11.jar:2.1.11]
at
org.apache.cassandra.transport.messages.QueryMessage.execute(QueryMessage.java:122)
~[apache-cassandra-2.1.11.jar:2.1.11]
at
org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:439)
[apache-cassandra-2.1.11.jar:2.1.11]
at
org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:335)
[apache-cassandra-2.1.11.jar:2.1.11]
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:511)
[na:1.8.0_51]
at
org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164)
[apache-cassandra-2.1.11.jar:2.1.11]
at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105)
[apache-cassandra-2.1.11.jar:2.1.11]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_51]
{code}
After taking a snapshot on all participating nodes, the query starts to
apparently succeed.
The table schema is:
{code:sql}
CREATE TABLE akka.messages (
persistence_id text,
partition_nr bigint,
sequence_nr bigint,
message blob,
used boolean static,
PRIMARY KEY ((persistence_id, partition_nr), sequence_nr)
) WITH CLUSTERING ORDER BY (sequence_nr ASC)
AND bloom_filter_fp_chance = 0.01
AND caching = '{"keys":"ALL", "rows_per_partition":"NONE"}'
AND comment = ''
AND compaction = {'class':
'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy'}
AND compression = {'sstable_compression':
'org.apache.cassandra.io.compress.LZ4Compressor'}
AND dclocal_read_repair_chance = 0.1
AND default_time_to_live = 0
AND gc_grace_seconds = 864000
AND max_index_interval = 2048
AND memtable_flush_period_in_ms = 0
AND min_index_interval = 128
AND read_repair_chance = 0.0
AND speculative_retry = '99.0PERCENTILE';
{code}
(this is from the [Akka Cassandra Persistence journal
plugin|https://github.com/krasserm/akka-persistence-cassandra])
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
