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https://issues.apache.org/jira/browse/CASSANDRA-15778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17121290#comment-17121290
 ] 

David Capwell commented on CASSANDRA-15778:
-------------------------------------------

bq. Could you elaborate a bit? Stack trace doesn't change in this case, and 
exception itself hasn't changed from the old version.

Think code will speak loader.

{code}
if (meta.isDense() && meta.compactValueColumn().type instanceof EmptyType)
{
  if (validator != null
      && validator.getType() instanceof BytesType
      & meta.compactValueColumn().equals(def))
  {
                    cfm = meta.copyWithNewCompactValueType(validator.getType());
                    break;
  }
  else
  {
    throw new InvalidRequestException("Altering of compaction value column 
types is only allowed if changing to bytes, but given " + validator.getType());
  }
}
{code}

If I know that the column has always been an integer and I attempt to set as a 
int32 I get an exception saying that alter isn't allowed; this exception can 
imply that there is no way to fix the issue.  To make it more actionable, it 
would be better to say that alter is only allowed to be bytes and that the 
provided type is not supported.

> CorruptSSTableException after a 2.1 SSTable is upgraded to 3.0, failing reads
> -----------------------------------------------------------------------------
>
>                 Key: CASSANDRA-15778
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15778
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Local/Compaction, Local/SSTable
>            Reporter: Sumanth Pasupuleti
>            Assignee: Alex Petrov
>            Priority: Normal
>             Fix For: 3.0.x
>
>
> Below is the exception with stack trace. This issue is consistently 
> reproduce-able.
> {code:java}
> ERROR [SharedPool-Worker-1] 2020-05-01 14:57:57,661 
> AbstractLocalAwareExecutorService.java:169 - Uncaught exception on thread 
> Thread[SharedPool-Worker-1,5,main]ERROR [SharedPool-Worker-1] 2020-05-01 
> 14:57:57,661 AbstractLocalAwareExecutorService.java:169 - Uncaught exception 
> on thread 
> Thread[SharedPool-Worker-1,5,main]org.apache.cassandra.io.sstable.CorruptSSTableException:
>  Corrupted: 
> /mnt/data/cassandra/data/<ks>/<cf-fda511301fb311e7bd79fd24f2fcfb0d/md-10151-big-Data.db
>  at 
> org.apache.cassandra.db.columniterator.AbstractSSTableIterator$Reader.hasNext(AbstractSSTableIterator.java:349)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.columniterator.AbstractSSTableIterator.hasNext(AbstractSSTableIterator.java:220)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.columniterator.SSTableIterator.hasNext(SSTableIterator.java:33)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.computeNext(LazilyInitializedUnfilteredRowIterator.java:95)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.computeNext(LazilyInitializedUnfilteredRowIterator.java:32)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.transform.BaseRows.hasNext(BaseRows.java:129) 
> ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.computeNext(LazilyInitializedUnfilteredRowIterator.java:95)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.computeNext(LazilyInitializedUnfilteredRowIterator.java:32)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.transform.BaseRows.hasNext(BaseRows.java:129) 
> ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.transform.BaseRows.hasNext(BaseRows.java:129) 
> ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.rows.UnfilteredRowIteratorSerializer.serialize(UnfilteredRowIteratorSerializer.java:131)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.rows.UnfilteredRowIteratorSerializer.serialize(UnfilteredRowIteratorSerializer.java:87)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.rows.UnfilteredRowIteratorSerializer.serialize(UnfilteredRowIteratorSerializer.java:77)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$Serializer.serialize(UnfilteredPartitionIterators.java:294)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.ReadResponse$LocalDataResponse.build(ReadResponse.java:187)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.ReadResponse$LocalDataResponse.<init>(ReadResponse.java:180)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.ReadResponse$LocalDataResponse.<init>(ReadResponse.java:176)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.ReadResponse.createDataResponse(ReadResponse.java:76) 
> ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.ReadCommand.createResponse(ReadCommand.java:341) 
> ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.ReadCommandVerbHandler.doVerb(ReadCommandVerbHandler.java:47)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:67) 
> ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> ~[na:1.8.0_231] at 
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:165)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$LocalSessionFutureTask.run(AbstractLocalAwareExecutorService.java:137)
>  [nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:109) 
> [nf-cassandra-3.0.19.8.jar:3.0.19.8] at java.lang.Thread.run(Thread.java:748) 
> [na:1.8.0_231]Caused by: java.lang.ArrayIndexOutOfBoundsException: 121 at 
> org.apache.cassandra.db.ClusteringPrefix$Deserializer.prepare(ClusteringPrefix.java:425)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.UnfilteredDeserializer$CurrentDeserializer.prepareNext(UnfilteredDeserializer.java:170)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.UnfilteredDeserializer$CurrentDeserializer.hasNext(UnfilteredDeserializer.java:151)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.columniterator.SSTableIterator$ForwardReader.computeNext(SSTableIterator.java:140)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.columniterator.SSTableIterator$ForwardReader.hasNextInternal(SSTableIterator.java:172)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] at 
> org.apache.cassandra.db.columniterator.AbstractSSTableIterator$Reader.hasNext(AbstractSSTableIterator.java:336)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] ... 27 common frames omitted
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 121
>     at 
> org.apache.cassandra.db.ClusteringPrefix$Deserializer.prepare(ClusteringPrefix.java:425)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8]
>     at 
> org.apache.cassandra.db.UnfilteredDeserializer$CurrentDeserializer.prepareNext(UnfilteredDeserializer.java:170)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8]
>     at 
> org.apache.cassandra.db.UnfilteredDeserializer$CurrentDeserializer.hasNext(UnfilteredDeserializer.java:151)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8]
>     at 
> org.apache.cassandra.db.columniterator.SSTableIterator$ForwardReader.computeNext(SSTableIterator.java:140)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8]
>     at 
> org.apache.cassandra.db.columniterator.SSTableIterator$ForwardReader.hasNextInternal(SSTableIterator.java:172)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8]
>     at 
> org.apache.cassandra.db.columniterator.AbstractSSTableIterator$Reader.hasNext(AbstractSSTableIterator.java:336)
>  ~[nf-cassandra-3.0.19.8.jar:3.0.19.8] ... 27 common frames omitted
> {code}
> Column family definition
> {code:java}
> CREATE TABLE <keyspace>."<cf>" (
>  key text,
>  value text,
>  PRIMARY KEY (key, value)
>  ) WITH COMPACT STORAGE
>  AND CLUSTERING ORDER BY (value ASC)
>  AND bloom_filter_fp_chance = 0.01
>  AND caching = {'keys': 'ALL', 'rows_per_partition': 'NONE'}
>  AND comment = ''
>  AND compaction = {'class': 
> 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 
> 'max_threshold': '32', 'min_threshold': '4'}
>  AND compression = {'enabled': 'false'}
>  AND crc_check_chance = 1.0
>  AND dclocal_read_repair_chance = 0.1
>  AND default_time_to_live = 0
>  AND gc_grace_seconds = 864000
>  AND max_index_interval = 2048
>  AND memtable_flush_period_in_ms = 0
>  AND min_index_interval = 128
>  AND read_repair_chance = 0.0
>  AND speculative_retry = '99PERCENTILE';{code}



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