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Date: Fri, 9 Jan 2009 09:11:59 -0800 (PST)
From: "Kathey Marsden (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Updated: (DERBY-2649) An unsuccessful boot attempt of an
 booted database can potentially delete files in the temp directory that are
 in use.
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     [ https://issues.apache.org/jira/browse/DERBY-2649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kathey Marsden updated DERBY-2649:
----------------------------------

    Derby Categories: [High Value Fix]

> An unsuccessful boot attempt of an booted database can potentially delete files in the temp directory that are in use. 
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2649
>                 URL: https://issues.apache.org/jira/browse/DERBY-2649
>             Project: Derby
>          Issue Type: Bug
>          Components: Store
>    Affects Versions: 10.2.2.0
>            Reporter: Suresh Thalamati
>
> Lock to prevent multi-jvm boot is acquired after the temp directory is cleaned up in BaseDataFileDirectory.java boot() method.   Because lock is acquired later ,  an unsuceessfule boot attempt could potentiall delete file in the
> temp directory that are in use. 
> See : BaseDataFileDirectory.java : boot()        
>    storageFactory =
>             ps.getStorageFactoryInstance(
>                 true,
>                 dataDirectory,
>                 startParams.getProperty(
>                     Property.STORAGE_TEMP_DIRECTORY,
>                     PropertyUtil.getSystemProperty(
>                         Property.STORAGE_TEMP_DIRECTORY)),
>                 identifier.toANSIidentifier());
> Above call to get the storage factory seems to cleanup the temp directory, and the method is invode before calling the 
> the method that prevents multi-jvm boot of an database. 
> 		if (!isReadOnly())		// read only db, not interested in filelock
> 			getJBMSLockOnDB(identifier, uf, dataDirectory);

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