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From "Harry Metske (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (JSPWIKI-649) CachingProvider.deleteVersion leaves a stale m_historyCache
Date Sat, 08 May 2010 12:19:47 GMT

     [ https://issues.apache.org/jira/browse/JSPWIKI-649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Harry Metske resolved JSPWIKI-649.
----------------------------------

    Fix Version/s: 2.8.3
       Resolution: Fixed

Fixed in 2.8.4-svn-12

> CachingProvider.deleteVersion leaves a stale m_historyCache
> -----------------------------------------------------------
>
>                 Key: JSPWIKI-649
>                 URL: https://issues.apache.org/jira/browse/JSPWIKI-649
>             Project: JSPWiki
>          Issue Type: Bug
>          Components: Core & storage
>    Affects Versions: 2.8.3, 2.8.4
>         Environment: Ubuntu, Sun Java 1.6
>            Reporter: Magnus Lindberg
>            Priority: Minor
>             Fix For: 2.8.3
>
>         Attachments: jira-jspwiki-cachingprovider-patch.txt
>
>
> Hi JSPWiki developers,
> The function
>   public void deleteVersion( String pageName, int version )
> in class CachingProvider does not always update the page history cache appropriately.
> As a result, NoSuchVersionException:s can be thrown, if it's later assumed that a page
exists,
> because it's present in the (cached) history list.
> Below patch should fix the bug. (Works for me.)
> Regards, Magnus
> <pre>
> Index: src/com/ecyrd/jspwiki/providers/CachingProvider.java
> ===================================================================
> --- src/com/ecyrd/jspwiki/providers/CachingProvider.java	(revision 938415)
> +++ src/com/ecyrd/jspwiki/providers/CachingProvider.java	(working copy)
> @@ -815,10 +815,10 @@
>              {
>                  m_cache.removeEntry( pageName );
>                  m_textCache.removeEntry( pageName );
> -                m_historyCache.removeEntry( pageName );
>              }
>  
>              m_provider.deleteVersion( pageName, version );
> +            m_historyCache.removeEntry( pageName );
>          }
>      }
> </pre>

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