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From "Benjamin Lerer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9659) ServerErrorException: java.lang.AssertionError
Date Tue, 30 Jun 2015 19:13:05 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14608892#comment-14608892
] 

Benjamin Lerer commented on CASSANDRA-9659:
-------------------------------------------

[~dave.decicco@gmail.com] This error has been clearly triggered by a {{SELECT}} query.

If you could provide me the query and the table schema it would really help.



> ServerErrorException: java.lang.AssertionError
> ----------------------------------------------
>
>                 Key: CASSANDRA-9659
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9659
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: CentOS 6.5
> Cassandra 2.1.3
>            Reporter: Dave Decicco
>            Assignee: Benjamin Lerer
>             Fix For: 2.1.x
>
>
> An issue exists where a java.lang.AssertionError occurs for a select number of read queries
from Cassandra within our application.
> It was suggested that a ticket be created to see if the error below is the same as CASSANDRA-8949
which was fixed in version 2.1.5.
> Here is a portion of the Cassandra log file where the exception occurs:
> {code}
> INFO  [MemtableFlushWriter:50153] 2015-06-23 13:11:17,517 Memtable.java:385 - Completed
flushing; nothing needed to be retained.  Commitlog position was ReplayPosition(segmentId=1425054853780,
position=8886361)
> ERROR [SharedPool-Worker-1] 2015-06-23 13:11:29,047 Message.java:538 - Unexpected exception
during request; channel = [id: 0x8f1ca59e, /10.30.43.68:33717 => /10.30.43.146:9042]javaa.lang.AssertionError:
[DecoratedKey(5747358200379796162, 64623465383566662d653235382d343130352d616131612d346230396635353965666364),DecoratedKey(3303996443194009861,
34623632646562322d626234332d346661642d613263312d356334613233633037353932)]
>         at org.apache.cassandra.dht.Bounds.<init>(Bounds.java:41) ~[apache-cassandra-2.1.3.jar:2.1.3]
>         at org.apache.cassandra.dht.Bounds.<init>(Bounds.java:34) ~[apache-cassandra-2.1.3.jar:2.1.3]
>         at org.apache.cassandra.service.pager.RangeSliceQueryPager.makeIncludingKeyBounds(RangeSliceQueryPager.java:123)
~[apache-cassandra-2.1.3.jar:2.1.3]
>         at org.apache.cassandra.service.pager.RangeSliceQueryPager.queryNextPage(RangeSliceQueryPager.java:74)
~[apache-cassandra-2.1.3.jar:2.1.3]
>         at org.apache.cassandra.service.pager.AbstractQueryPager.fetchPage(AbstractQueryPager.java:87)
~[apache-cassandra-2.1.3.jar:2.1.3]
>         at org.apache.cassandra.service.pager.RangeSliceQueryPager.fetchPage(RangeSliceQueryPager.java:37)
~[apache-cassandra-2.1.3.jar:2.1.3]
>         at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:219)
~[apache-cassandra-2.1.3.jar:2.1.3]
>         at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:62)
~[apache-cassandra-2.1.3.jar:2.1.3]
>         at org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:238)
~[apache-cassandra-2.1.3.jar:2.1.3]
>         at org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:493)
~[apache-cassandra-2.1.3.jar:2.1.3]
>         at org.apache.cassandra.transport.messages.ExecuteMessage.execute(ExecuteMessage.java:134)
~[apache-cassandra-2.1.3.jar:2.1.3]
>         at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:439)
[apache-cassandra-2.1.3.jar:2.1.3]
>         at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:335)
[apache-cassandra-2.1.3.jar:2.1.3]
>         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(Unknown Source) [na:1.7.0_76]
>         at org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164)
[apache-cassandra-2.1.3.jar:2.1.3]
>         at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) [apache-cassandra-2.1.3.jar:2.1.3]
>         at java.lang.Thread.run(Unknown Source) [na:1.7.0_76]
> INFO  [BatchlogTasks:1] 2015-06-23 13:12:17,521 ColumnFamilyStore.java:877 - Enqueuing
flush of batchlog: 27641 (0%) on-heap, 0 (0%) off-heap
> INFO  [MemtableFlushWriter:50154] 2015-06-23 13:12:17,522 Memtable.java:339 - Writing
Memtable-batchlog@297832842(22529 serialized bytes, 40 ops, 0%/0% of on/off-heap limit)
> INFO  [MemtableFlushWriter:50154] 2015-06-23 13:12:17,523 Memtable.java:385 - Completed
flushing; nothing needed to be retained.  Commitlog position was ReplayPosition(segmentId=1425054853780,
position=8948299)
> {code}



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