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From "Valentin Kulichenko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-2708) Need to validate that SPIs are started only once
Date Tue, 23 Feb 2016 01:24:18 GMT
Valentin Kulichenko created IGNITE-2708:
-------------------------------------------

             Summary: 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


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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