[hibernate-issues] [Hibernate-JIRA] Commented: (HSEARCH-614) FileNotFoundException during slave synchronization with source

[Sanne Grinovero (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=38924#action_38924 ] 

Sanne Grinovero commented on HSEARCH-614:
-----------------------------------------

The workaround seems easy enough to give this a very low priority, and is actually also good practice to have a master refresh time lower than the slave - pointless to create indexes which aren't consumed) I agree this shouldn't be a problem to be postponed.
Michael? If you need this fixed we can give pointers and advice, but you should propose a patch :)
In any case I'd avoid using locks or marker files from the slave, as a crashing slave would prevent the whole cluster to make any progress.
An easy improvement that could be applied is to improve the error only: make sure to catch this exception (or check for file existence before copying) and have the slave retry - but even then a very loud error should be logged, as there's a very high likelyhood that in such a case the client will loop in the error. Actually I think it should retry already, so the patch should just throw a more explicit error message.

Also keep in mind that new clustering strategies are coming soon: HSEARCH-307


> FileNotFoundException during slave synchronization with source
> --------------------------------------------------------------
>
>                 Key: HSEARCH-614
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-614
>             Project: Hibernate Search
>          Issue Type: Bug
>          Components: directory provider
>    Affects Versions: 3.1.0.GA, 3.1.1.GA, 3.2.0.Final, 3.2.1, 3.3.0.Beta2
>         Environment: Hibernate 3.6, Oracle 10g
>            Reporter: Michael Mogley
>            Priority: Minor
>             Fix For: 3.3.0.CR1
>
>
> The current file synchronization mechanism in the FSSlaveDirectoryProvider has the potential to throw a FileNotFoundException if the source file it's copying is deleted before the copy operation completes.
> https://forum.hibernate.org/viewtopic.php?f=9&t=1007801&p=2437680#p2437680

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