Thanks for this Aaron - I eventually found some data corruption in the keys of the affected CF's which i think was causing the issue.
> Subject: Re: Added column does not sort as the last column at > From: aa...@thelastpickle.com > Date: Thu, 11 Apr 2013 22:08:17 +1200 > To: user@cassandra.apache.org > > To reduce possibilities, have you changed a super CF to a standard CF > recently ? > > Can you isolate this to specific CF ? > > Have you changed the comparators / schema recently ? > > Cheers > > ----------------- > Aaron Morton > Freelance Cassandra Consultant > New Zealand > > @aaronmorton > http://www.thelastpickle.com > > On 10/04/2013, at 1:26 AM, Sam Hodgson <hodgson_...@hotmail.com> wrote: > > > Hi All, > > > > > > > > I just upgraded from Cassandra 1.1.7 to 1.2.3 and im now seeing a lot of > > the following error in my output.log, cant find much on the web about it: > > > > > > > > ERROR 11:56:01,317 Exception in thread Thread[ReadStage:7236,5,main] > > java.lang.AssertionError: Added column does not sort as the last column at > > org.apache.cassandra.db.ArrayBackedSortedColumns.addColumn(ArrayBackedSortedColumns.java:131) > > at > > org.apache.cassandra.db.AbstractColumnContainer.addColumn(AbstractColumnContainer.java:109) > > at > > org.apache.cassandra.db.AbstractColumnContainer.addColumn(AbstractColumnContainer.java:104) > > at > > org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:171) > > 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.CollationController.collectAllData(CollationController.java:294) > > at > > org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:65) > > at > > org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1363) > > at > > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1220) > > at > > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1132) > > at org.apache.cassandra.db.Table.getRow(Table.java:348) at > > org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:70) > > at > > org.apache.cassandra.service.StorageProxy$LocalReadRunnable.runMayThrow(StorageProxy.java:1052) > > at > > org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1578) > > 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) > > > > > > > > I dont know Java and im struggling to identify exactly which query is > > causing this, is there a way to trace this back to a specific query? > > > > > > > > Any help appreciated. > > > > > > > > Sam > > >
