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https://issues.apache.org/jira/browse/OPENJPA-2139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13279740#comment-13279740
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Mark Struberg commented on OPENJPA-2139:
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PS: your IDE seems to add TABS! Please switch your editor to SPACES ONLY.
It is generally a good idea to switch your IDE to 'show whitespaces' for all
Apache projects. Otherwise we will end up with a completely messed tabs/spaces
mixture.
> 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
>
> Attachments: OPENJPA-2139-1.2.x-v2.patch, OPENJPA-2139-1.2.x.patch,
> OPENJPA-2139.mdr.patch, OPENJPA-2139.patch
>
>
> 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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