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https://issues.apache.org/jira/browse/FLINK-19064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17189049#comment-17189049
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Nicholas Jiang commented on FLINK-19064:
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[~rmetzger], I got your point of understanding. In InputFormat interface, it
should create the HBase connection in open() method. And in
createInputSplits(), the HBase case createInputSplits() needs a connection by
establish and close the connection individually. The configure() shouldn't be
used to create the HBase connection. Am I right?
> HBaseRowDataInputFormat is leaking resources
> --------------------------------------------
>
> Key: FLINK-19064
> URL: https://issues.apache.org/jira/browse/FLINK-19064
> Project: Flink
> Issue Type: Bug
> Components: Connectors / HBase
> Affects Versions: 1.12.0
> Reporter: Robert Metzger
> Assignee: Nicholas Jiang
> Priority: Critical
> Labels: pull-request-available
>
> {{HBaseRowDataInputFormat.configure()}} is calling {{connectToTable()}},
> which creates a connection to HBase that is not closed again.
> A user reported this problem on the user@ list:
> https://lists.apache.org/thread.html/ra04f6996eb50ee83aabd2ad0d50bec9afb6a924bfbb48ada3269c6d8%40%3Cuser.flink.apache.org%3E
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