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https://issues.apache.org/jira/browse/CASSANDRA-5930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brandon Williams updated CASSANDRA-5930:
----------------------------------------

    Fix Version/s:     (was: 2.0.6)
                   2.0.5

> Offline scrubs can choke on broken files
> ----------------------------------------
>
>                 Key: CASSANDRA-5930
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5930
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jeremiah Jordan
>            Assignee: Tyler Hobbs
>            Priority: Minor
>             Fix For: 2.0.5
>
>         Attachments: 5930-v1.patch, 5930-v2.patch
>
>
> There are cases where offline scrub can hit an exception and die, like:
> {noformat}
> WARNING: Non-fatal error reading row (stacktrace follows)
> Exception in thread "main" java.io.IOError: java.io.IOError: 
> java.io.EOFException
>       at org.apache.cassandra.db.compaction.Scrubber.scrub(Scrubber.java:242)
>       at 
> org.apache.cassandra.tools.StandaloneScrubber.main(StandaloneScrubber.java:121)
> Caused by: java.io.IOError: java.io.EOFException
>       at 
> org.apache.cassandra.db.compaction.PrecompactedRow.merge(PrecompactedRow.java:116)
>       at 
> org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:99)
>       at 
> org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:176)
>       at 
> org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:182)
>       at org.apache.cassandra.db.compaction.Scrubber.scrub(Scrubber.java:171)
>       ... 1 more
> Caused by: java.io.EOFException
>       at java.io.RandomAccessFile.readFully(RandomAccessFile.java:399)
>       at java.io.RandomAccessFile.readFully(RandomAccessFile.java:377)
>       at 
> org.apache.cassandra.utils.BytesReadTracker.readFully(BytesReadTracker.java:95)
>       at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:401)
>       at 
> org.apache.cassandra.utils.ByteBufferUtil.readWithLength(ByteBufferUtil.java:363)
>       at 
> org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:120)
>       at 
> org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:37)
>       at 
> org.apache.cassandra.db.ColumnFamilySerializer.deserializeColumns(ColumnFamilySerializer.java:144)
>       at 
> org.apache.cassandra.io.sstable.SSTableIdentityIterator.getColumnFamilyWithColumns(SSTableIdentityIterator.java:234)
>       at 
> org.apache.cassandra.db.compaction.PrecompactedRow.merge(PrecompactedRow.java:112)
>       ... 5 more
> {noformat}
> Since the purpose of offline scrub is to fix broken stuff, it should be more 
> resilient to broken stuff...



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