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Michael Kjellman commented on CASSANDRA-5979: --------------------------------------------- Looks like a third check is required ERROR [OptionalTasks:1] 2013-09-13 01:59:26,517 CassandraDaemon.java (line 192) Exception in thread Thread[OptionalTasks:1,5,main] java.lang.NullPointerException at org.apache.cassandra.db.AbstractColumnContainer.delete(AbstractColumnContainer.java:46) at org.apache.cassandra.db.RowIteratorFactory$2.reduce(RowIteratorFactory.java:95) at org.apache.cassandra.db.RowIteratorFactory$2.reduce(RowIteratorFactory.java:79) at org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:111) at org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:97) 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.ColumnFamilyStore$6.computeNext(ColumnFamilyStore.java:1433) at org.apache.cassandra.db.ColumnFamilyStore$6.computeNext(ColumnFamilyStore.java:1429) 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.ColumnFamilyStore.filter(ColumnFamilyStore.java:1500) at org.apache.cassandra.db.ColumnFamilyStore.getRangeSlice(ColumnFamilyStore.java:1477) at org.apache.cassandra.db.ColumnFamilyStore.getRangeSlice(ColumnFamilyStore.java:1472) at org.apache.cassandra.db.HintedHandOffManager.scheduleAllDeliveries(HintedHandOffManager.java:465) at org.apache.cassandra.db.HintedHandOffManager.access$000(HintedHandOffManager.java:90) at org.apache.cassandra.db.HintedHandOffManager$1.run(HintedHandOffManager.java:133) at org.apache.cassandra.concurrent.DebuggableScheduledThreadPoolExecutor$UncomplainingRunnable.run(DebuggableScheduledThreadPoolExecutor.java:75) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:724) > HintedHandOffManager task triggering java.util.NoSuchElementException > --------------------------------------------------------------------- > > Key: CASSANDRA-5979 > URL: https://issues.apache.org/jira/browse/CASSANDRA-5979 > Project: Cassandra > Issue Type: Bug > Components: Core > Reporter: Ravi Prasad > Assignee: Jonathan Ellis > Fix For: 1.2.10 > > Attachments: 5979-2.txt, 5979.txt > > > Seeing this exception every 10 minutes, whenever scheduled HintedHandoff task > runs: > ERROR [OptionalTasks:1] 2013-09-05 20:48:00,334 CassandraDaemon.java (line > 192) Exception in thread Thread[OptionalTasks:1,5,main] > java.util.NoSuchElementException > at > com.google.common.collect.EmptyImmutableSortedSet.last(EmptyImmutableSortedSet.java:100) > at > org.apache.cassandra.db.columniterator.SSTableNamesIterator.readSimpleColumns(SSTableNamesIterator.java:186) > at > org.apache.cassandra.db.columniterator.SSTableNamesIterator.read(SSTableNamesIterator.java:156) > at > org.apache.cassandra.db.columniterator.SSTableNamesIterator.<init>(SSTableNamesIterator.java:83) > at > org.apache.cassandra.db.filter.NamesQueryFilter.getSSTableColumnIterator(NamesQueryFilter.java:86) > at > org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:75) > at > org.apache.cassandra.io.sstable.SSTableScanner$FilteredKeyScanningIterator$1.create(SSTableScanner.java:248) > at > org.apache.cassandra.db.columniterator.LazyColumnIterator.getSubIterator(LazyColumnIterator.java:75) > at > org.apache.cassandra.db.columniterator.LazyColumnIterator.getColumnFamily(LazyColumnIterator.java:87) > at > org.apache.cassandra.db.RowIteratorFactory$2.reduce(RowIteratorFactory.java:95) > at > org.apache.cassandra.db.RowIteratorFactory$2.reduce(RowIteratorFactory.java:79) > at > org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:111) > at > org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:97) > 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.ColumnFamilyStore$6.computeNext(ColumnFamilyStore.java:1433) > at > org.apache.cassandra.db.ColumnFamilyStore$6.computeNext(ColumnFamilyStore.java:1429) > 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.ColumnFamilyStore.filter(ColumnFamilyStore.java:1500) > at > org.apache.cassandra.db.ColumnFamilyStore.getRangeSlice(ColumnFamilyStore.java:1477) > at > org.apache.cassandra.db.ColumnFamilyStore.getRangeSlice(ColumnFamilyStore.java:1472) > at > org.apache.cassandra.db.HintedHandOffManager.scheduleAllDeliveries(HintedHandOffManager.java:464) > at > org.apache.cassandra.db.HintedHandOffManager.access$000(HintedHandOffManager.java:90) > at > org.apache.cassandra.db.HintedHandOffManager$1.run(HintedHandOffManager.java:133) > at > org.apache.cassandra.concurrent.DebuggableScheduledThreadPoolExecutor$UncomplainingRunnable.run(DebuggableScheduledThreadPoolExecutor.java:75) > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) > at > java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351) > at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:722) > this seems to be a regression from > https://issues.apache.org/jira/browse/CASSANDRA-5966. -- This message is automatically generated by JIRA. 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