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Posted to issues@ignite.apache.org by "Igor Seliverstov (JIRA)" <ji...@apache.org> on 2018/08/17 12:03:00 UTC
[jira] [Assigned] (IGNITE-9310) SQL: throw exception when missing
cache is attempted to be created inside a transaction
[ https://issues.apache.org/jira/browse/IGNITE-9310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Igor Seliverstov reassigned IGNITE-9310:
----------------------------------------
Assignee: Igor Seliverstov
> SQL: throw exception when missing cache is attempted to be created inside a transaction
> ---------------------------------------------------------------------------------------
>
> Key: IGNITE-9310
> URL: https://issues.apache.org/jira/browse/IGNITE-9310
> Project: Ignite
> Issue Type: Task
> Components: mvcc, sql
> Affects Versions: 2.6
> Reporter: Vladimir Ozerov
> Assignee: Igor Seliverstov
> Priority: Critical
> Fix For: 2.7
>
>
> See \{{org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing#prepareStatementAndCaches}}. This method might be called inside a transaction (both MVCC and non-MVCC modes). If we do not have any protective mechanics (need to check), then this call may lead to cache creation on a client, which in turn will wait for all TXes to finish, including current one, leading to a deadlock.
> # Create tests confirming the problem
> # If hang is reproduced - add a check for ongoing transaction and throw an exception
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