[jira] [Updated] (OPENJPA-2139) OpenJPA fails to recover from a broken database on startup

["Mark Struberg (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OPENJPA-2139?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Struberg updated OPENJPA-2139:
-----------------------------------

    Summary: OpenJPA fails to recover from a broken database on startup  (was: uknown entities if the database cannot be accessed on initialisation)
    
> OpenJPA fails to recover from a broken database on startup
> ----------------------------------------------------------
>
>                 Key: OPENJPA-2139
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2139
>             Project: OpenJPA
>          Issue Type: Bug
>    Affects Versions: 2.2.0
>            Reporter: Mark Struberg
>            Assignee: Mark Struberg
>            Priority: Critical
>             Fix For: 2.3.0
>
>
> The following scenario:
> 1.) turn off the database
> 2.) perform a query against the database
> 3.) turn on the database
> 4.) try to re-run the query from 2.)
> In 4.) you will get the following Exception:
> openjpa-2.2.0-r422266:1244990 nonfatal user error> org.apache.openjpa.persistence.ArgumentException: An error occurred while parsing the query filter "SELECT k FROM DbEnumKey AS k where k.type=:typ ORDER BY k.ordinal". Error message: The name "DbEnumKey" is not a recognized entity or identifier. Known entity names: []
> Basically the whole app is stale afterwards!
> Solution: caching the entities might only be done if a connection can be established.

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