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https://issues.apache.org/jira/browse/METAMODEL-47?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kasper Sørensen resolved METAMODEL-47.
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Resolution: Fixed
> Excel DataContext may break if schema is not loaded at time of executing query
> ------------------------------------------------------------------------------
>
> Key: METAMODEL-47
> URL: https://issues.apache.org/jira/browse/METAMODEL-47
> Project: Metamodel
> Issue Type: Bug
> Reporter: Kasper Sørensen
> Assignee: Kasper Sørensen
> Priority: Critical
>
> In our application of MetaModel we are now seeing some situations where the
> ExcelDataContext is throwing exceptions due to internal IDs of sheets are not
> mapped to table names at the time of executing a query.
> It happens because we have one DataContext which is used to explore the
> schema, then the query is built and then later another instance of
> ExcelDataContext may fire the query. But it doesn't work properly because the
> second ExcelDataContext has not yet loaded it's schema definition.
> We already fixed this issue in eobjects.org MetaModel (needed a hotfix
> urgently), see this revision:
> http://eobjects.org/trac/changeset/5683
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