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Posted to commits@cassandra.apache.org by "Benjamin Lerer (JIRA)" <ji...@apache.org> on 2017/03/31 13:30:41 UTC

[jira] [Created] (CASSANDRA-13395) Expired rows without regular column data can crash upgradesstables

Benjamin Lerer created CASSANDRA-13395:
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             Summary: Expired rows without regular column data can crash upgradesstables
                 Key: CASSANDRA-13395
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13395
             Project: Cassandra
          Issue Type: Bug
            Reporter: Benjamin Lerer
            Assignee: Benjamin Lerer


In {{2.x}} if an expired row is compacted its row marker will be converted into a {{DeletedCell}}. In {{3.0}}, when the row is read by {{LegacyLayout}} it will be converted in a row without {{PrimaryKeyLivenessInfo}}. If the row does not contains any data for the regular columns, or if the table simply has no regular columns it will then be considered as {{empty}}. Which will crash {{upgradesstables}} with the following error:
{code}
java.lang.AssertionError
        at org.apache.cassandra.db.rows.Rows.collectStats(Rows.java:70)
        at org.apache.cassandra.io.sstable.format.big.BigTableWriter$StatsCollector.applyToRow(BigTableWriter.java:207)
        at org.apache.cassandra.db.transform.BaseRows.applyOne(BaseRows.java:116)
        at org.apache.cassandra.db.transform.BaseRows.add(BaseRows.java:107)
        at org.apache.cassandra.db.transform.UnfilteredRows.add(UnfilteredRows.java:41)
        at org.apache.cassandra.db.transform.Transformation.add(Transformation.java:156)
        at org.apache.cassandra.db.transform.Transformation.apply(Transformation.java:122)
        at org.apache.cassandra.io.sstable.format.big.BigTableWriter.append(BigTableWriter.java:147)
        at org.apache.cassandra.io.sstable.SSTableRewriter.append(SSTableRewriter.java:125)
        at org.apache.cassandra.db.compaction.writers.DefaultCompactionWriter.realAppend(DefaultCompactionWriter.java:57)
        at org.apache.cassandra.db.compaction.writers.CompactionAwareWriter.append(CompactionAwareWriter.java:109)
        at org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:195)
        at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
        at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:89)
        at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:61)
        at org.apache.cassandra.db.compaction.CompactionManager$5.execute(CompactionManager.java:416)
        at org.apache.cassandra.db.compaction.CompactionManager$2.call(CompactionManager.java:308)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at org.apache.cassandra.concurrent.NamedThreadFactory.lambda$0(NamedThreadFactory.java:79)
        at java.lang.Thread.run(Thread.java:745)
{code}
This problem is cause



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