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From ruslan usifov <ruslan.usi...@gmail.com>
Subject Strange error
Date Sun, 13 Mar 2011 17:47:38 GMT
Hello in working cluster of cassandra 0.7.3 in system.log i see 2 simular
errors:

ERROR [ReadStage:12] 2011-03-13 20:27:20,431 AbstractCassandraDaemon.java
(line 114) Fatal exception in thread Thread[ReadStage:12,5,m
ain]
java.lang.NullPointerException
        at org.apache.cassandra.db.Column.reconcile(Column.java:177)
        at
org.apache.cassandra.db.SuperColumn.addColumn(SuperColumn.java:179)
        at
org.apache.cassandra.db.SuperColumn.putColumn(SuperColumn.java:195)
        at
org.apache.cassandra.db.ColumnFamily.addColumn(ColumnFamily.java:220)
        at
org.apache.cassandra.db.filter.QueryFilter$2.reduce(QueryFilter.java:118)
        at
org.apache.cassandra.db.filter.QueryFilter$2.reduce(QueryFilter.java:108)
        at
org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:62)
        at
com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:136)
        at
com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:131)
        at
org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:118)
        at
org.apache.cassandra.db.filter.QueryFilter.collectCollatedColumns(QueryFilter.java:142)
        at
org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1326)
        at
org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1203)
        at
org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1131)
        at org.apache.cassandra.db.Table.getRow(Table.java:333)
        at
org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:63)
        at
org.apache.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:69)
        at
org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)

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