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https://issues.apache.org/jira/browse/CASSANDRA-4021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13425285#comment-13425285
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Jonathan Ellis commented on CASSANDRA-4021:
-------------------------------------------
My mind boggles that you appear to expect Cassandra to cope with arbitrary
user-created files in the directories it is supposed to have control over.
> CFS.scrubDataDirectories tries to delete nonexistent orphans
> ------------------------------------------------------------
>
> Key: CASSANDRA-4021
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4021
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.7 beta 2
> Reporter: Brandon Williams
> Assignee: Brandon Williams
> Priority: Minor
> Labels: datastax_qa
> Attachments: 4021.txt
>
>
> The check only looks for a missing data file, then deletes all other
> components, however it's possible for the data file and another component to
> be missing, causing an error:
> {noformat}
> WARN 17:19:28,765 Removing orphans for
> /var/lib/cassandra/data/system/HintsColumnFamily/system-HintsColumnFamily-hd-24492:
> [Index.db, Filter.db, Digest.sha1, Statistics.db, Data.db]
> ERROR 17:19:28,766 Exception encountered during startup
> java.lang.AssertionError: attempted to delete non-existing file
> system-HintsColumnFamily-hd-24492-Index.db
> at
> org.apache.cassandra.io.util.FileUtils.deleteWithConfirm(FileUtils.java:49)
> at
> org.apache.cassandra.io.util.FileUtils.deleteWithConfirm(FileUtils.java:44)
> at
> org.apache.cassandra.db.ColumnFamilyStore.scrubDataDirectories(ColumnFamilyStore.java:357)
> at
> org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:167)
> at
> org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:352)
> at
> org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:105)
> java.lang.AssertionError: attempted to delete non-existing file
> system-HintsColumnFamily-hd-24492-Index.db
> at
> org.apache.cassandra.io.util.FileUtils.deleteWithConfirm(FileUtils.java:49)
> at
> org.apache.cassandra.io.util.FileUtils.deleteWithConfirm(FileUtils.java:44)
> at
> org.apache.cassandra.db.ColumnFamilyStore.scrubDataDirectories(ColumnFamilyStore.java:357)
> at
> org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:167)
> at
> org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:352)
> at
> org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:105)
> Exception encountered during startup: attempted to delete non-existing file
> system-HintsColumnFamily-hd-24492-Index.db
> {noformat}
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