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From Nate McCall <n...@thelastpickle.com>
Subject Re: fromIndex > toIndex in Cassandra 1.2.5
Date Mon, 19 Aug 2013 14:22:32 GMT
This is potentially just a bad query. It looks like
ThriftValidation#validateFilterClauses just checks the indexes and values
are of the right type and does not compare actual values. In other words,
the query could have made it that far with a bad comparison value.

What exception are you getting back on the client?


On Mon, Aug 19, 2013 at 8:45 AM, <tamas.foldesi@thomsonreuters.com> wrote:

>  Hi,****
>
> ** **
>
> We are upgrading our 1.0 Cassandra installation to 1.2 (via 1.1), and had
> Cassandra 1.2.5 running in test for a while.****
>
> Everything seems fine except that exceptions like below come sporadically,
> without correlating with anything else. They *seem* to come during work
> hours, so it can be that one of our devs run invalid commands, but then
> noone complained about any errors they’d get.**
>
> I have not found any user-level exceptions in the client logs either, so I
> wonder what this might be, how serious it is, what are the consequences,
> how to avoid (if necessary), etc… ****
>
> Unfortunately the logs don’t say anything about in which keyspace this
> occurred – I could not find any sstables with index 1771 (if that is what
> that number means…).****
>
> Any help is appreciated.****
>
> ** **
>
> ERROR [ReadStage:1771] 2013-08-13 16:40:17,532 CassandraDaemon.java (line
> 175) Exception in thread Thread[ReadStage:1771,5,main]****
>
> java.lang.IllegalArgumentException: fromIndex(60) > toIndex(0)****
>
>         at java.util.SubList.<init>(AbstractList.java:604)****
>
>         at java.util.RandomAccessSubList.<init>(AbstractList.java:758)****
>
>         at java.util.AbstractList.subList(AbstractList.java:468)****
>
>         at
> org.apache.cassandra.db.ArrayBackedSortedColumns$SlicesIterator.computeNext(ArrayBackedSortedColumns.java:365)
> ****
>
>         at
> org.apache.cassandra.db.ArrayBackedSortedColumns$SlicesIterator.computeNext(ArrayBackedSortedColumns.java:325)
> ****
>
>         at
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
> ****
>
>         at
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
> ****
>
>         at org.apache.cassandra.db.Memtable$6.hasNext(Memtable.java:356)**
> **
>
>         at
> org.apache.cassandra.db.filter.QueryFilter$2.getNext(QueryFilter.java:171)
> ****
>
>         at
> org.apache.cassandra.db.filter.QueryFilter$2.hasNext(QueryFilter.java:154)
> ****
>
>         at
> org.apache.cassandra.utils.MergeIterator$OneToOne.computeNext(MergeIterator.java:199)
> ****
>
>         at
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
> ****
>
>         at
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
> ****
>
>         at
> org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:157)
> ****
>
>         at
> org.apache.cassandra.db.filter.QueryFilter.collateColumns(QueryFilter.java:136)
> ****
>
>         at
> org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:84)
> ****
>
>         at
> org.apache.cassandra.db.ColumnFamilyStore.filterColumnFamily(ColumnFamilyStore.java:1242)
> ****
>
>         at
> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1210)
> ****
>
>         at
> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1126)
> ****
>
>         at org.apache.cassandra.db.Table.getRow(Table.java:347)****
>
>         at
> org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:70)
> ****
>
>         at
> org.apache.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:44)***
> *
>
>         at
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:56)
> ****
>
>         at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> ****
>
>         at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> ****
>
>         at java.lang.Thread.run(Thread.java:662)****
>
> ** **
>
> Thanks,****
>
> Tamas****
>
> ** **
>
> · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
· · · · · · · ·
> · ·
> *Tamas Foldesi*
> Senior Software Engineer
> *Thomson Reuters*
>
> ****
>
> ** **
>

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