Are you using the StorageProxy API directly? On Tue, Oct 25, 2011 at 12:39 PM, Andy Stec <andys...@gmail.com> wrote: > We're using version 1.0. The following exception shows up in the system log > periodically. What might be causing this exception? Attached is the full > system.log. > > Thanks, > > Andy > > > ERROR [ReadStage:1761] 2011-10-25 12:17:16,088 AbstractCassandraDaemon.java > (line 133) Fatal exception in thread Thread[ReadStage:1761,5,main] > java.lang.RuntimeException: error reading 5 of 5 > at > org.apache.cassandra.db.columniterator.SimpleSliceReader.computeNext(SimpleSliceReader.java:83) > at > org.apache.cassandra.db.columniterator.SimpleSliceReader.computeNext(SimpleSliceReader.java:40) > at > com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140) > at > com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135) > at > org.apache.cassandra.db.columniterator.SSTableSliceIterator.hasNext(SSTableSliceIterator.java:107) > at > org.apache.cassandra.utils.MergeIterator$Candidate.advance(MergeIterator.java:145) > at > org.apache.cassandra.utils.MergeIterator$ManyToOne.advance(MergeIterator.java:124) > at > org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:98) > at > com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140) > at > com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135) > at > org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:116) > at > org.apache.cassandra.db.filter.QueryFilter.collateColumns(QueryFilter.java:144) > at > org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:225) > at > org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:61) > at > org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1297) > at > org.apache.cassandra.db.ColumnFamilyStore.cacheRow(ColumnFamilyStore.java:1128) > at > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1157) > at > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1114) > at org.apache.cassandra.db.Table.getRow(Table.java:388) > at > org.apache.cassandra.db.SliceByNamesReadCommand.getRow(SliceByNamesReadCommand.java:58) > at > org.apache.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:62) > at > org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:59) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > Caused by: org.apache.cassandra.db.ColumnSerializer$CorruptColumnException: > invalid column name length 0 > at > org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:89) > at > org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:82) > at > org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:72) > at > org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:36) > at > org.apache.cassandra.db.columniterator.SimpleSliceReader.computeNext(SimpleSliceReader.java:79) > ... 24 more >
-- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
