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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-4021) CFS.scrubDataDirectories tries to delete nonexistent orphans
Date Tue, 06 Nov 2012 14:20:12 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-4021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brandon Williams updated CASSANDRA-4021:
----------------------------------------

    Attachment: node1.log

dtestbot managed to randomly reproduce this morning.  It looks like a race between compaction
cleanup and forcible shutdown, then startup.  Log attached.
                
> 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, node1.log
>
>
> 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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