[jira] [Closed] (IGNITE-2708) Need to validate that SPIs are started only once

["Yakov Zhdanov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-2708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yakov Zhdanov closed IGNITE-2708.
---------------------------------

Ryan, thanks for contributing this. I have merged this to master.

> Need to validate that SPIs are started only once
> ------------------------------------------------
>
>                 Key: IGNITE-2708
>                 URL: https://issues.apache.org/jira/browse/IGNITE-2708
>             Project: Ignite
>          Issue Type: Improvement
>          Components: general
>            Reporter: Valentin Kulichenko
>            Assignee: Ryan Zhao
>              Labels: newbie, usability
>             Fix For: 1.7
>
>
> User forum discussion: http://apache-ignite-users.70518.x6.nabble.com/Ignite-instance-hangs-during-restart-in-client-mode-td3101.html
> If one uses the same instance of {{IgniteConfiguration}} more than once, it doesn't work because SPIs have lifecycle and can be started only once. Currently this causes hang on start which is counterintuitive.
> We should add a validation step to {{GridSpiAdapter}} that will check that the SPI was never started before. Its {{spiStart()}} method should set some flag there or throw exception if it has already been set. All internal SPI implementations should be changed to call {{super.spiStart()}} as first statement.



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