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From "Constance Eustace (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6086) Node refuses to start with exception in ColumnFamilyStore.removeUnfinishedCompactionLeftovers when find that some to be removed files are already removed
Date Thu, 17 Oct 2013 15:05:44 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13797976#comment-13797976
] 

Constance Eustace commented on CASSANDRA-6086:
----------------------------------------------

Well, how would one repair this for now, beyond reconstructing a virgin node and then replication?
If there are counters, certainly you could provide an option for an admin to reset them or
accept invalid values and get access to the rest of the data, or mark it in some (tombstone-ish?)
way that other nodes with more accurate values for the counters can then replicate the correct
state?



> Node refuses to start with exception in ColumnFamilyStore.removeUnfinishedCompactionLeftovers
when find that some to be removed files are already removed
> ---------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-6086
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6086
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Oleg Anastasyev
>            Assignee: Oleg Anastasyev
>             Fix For: 2.0.2
>
>         Attachments: 6086-v2.txt, removeUnfinishedCompactionLeftovers.txt
>
>
> Node refuses to start with
> {code}
> Caused by: java.lang.IllegalStateException: Unfinished compactions reference missing
sstables. This should never happen since compactions are marked finished before we start removing
the old sstables.
>       at org.apache.cassandra.db.ColumnFamilyStore.removeUnfinishedCompactionLeftovers(ColumnFamilyStore.java:544)
>       at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:262)
> {code}
> IMO, there is no reason to refuse to start discivering files that must be removed are
already removed. It looks like pure bug diagnostic code and mean nothing to operator (nor
he can do anything about this).
> Replaced throw of excepion with dump of diagnostic warning and continue startup.



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