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https://issues.apache.org/jira/browse/IGNITE-7095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Taras Ledkov reassigned IGNITE-7095:
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Assignee: Taras Ledkov
> JdbcConnection hard linked in IgniteH2Indexing preventing old connections
> from closing
> --------------------------------------------------------------------------------------
>
> Key: IGNITE-7095
> URL: https://issues.apache.org/jira/browse/IGNITE-7095
> Project: Ignite
> Issue Type: Bug
> Components: sql
> Affects Versions: 2.3
> Reporter: Alexandr Kuramshin
> Assignee: Taras Ledkov
> Fix For: 2.4, 2.5
>
> Attachments: IndexClientTest.java, IndexTest.java
>
>
> Every time a new thread performs {{SqlFieldsQuery}} the new
> {{org.h2.jdbc.JdbcConnection}} will be created and added to the
> {{org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing#conns}}.
> Such hard link prevents from the {{org.h2.util.CloseWatcher}} to be enqueued
> and old connections will remain in heap even after the thread exits.
> After some number of SQL queries the {{java.lang.OutOfMemoryError}} will
> occur.
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