Ivan Fedorenkov created IGNITE-14965:
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Summary: Ignite is in invalid state when trying to use Ignite as a
Spring bean
Key: IGNITE-14965
URL: https://issues.apache.org/jira/browse/IGNITE-14965
Project: Ignite
Issue Type: Bug
Components: spring
Affects Versions: 2.10
Reporter: Ivan Fedorenkov
The following use-case leads to temporary invalid state errors at the grid
startup time:
Ignite node has an Ignite Service with Ignite DI being used to inject into that
service a Spring-managed bean, which in its turn depends on the Ignite
instance, namely the IgniteSpringBean instance. Invoke any method of the bean
that uses the Ignite instance from the execute method of the service.
Result: IllegalStateException "Ignite is in invalid state to perform this
operation".
The root cause is that Ignite Services initialization and execution may happen
before IgniteSpringBean#afterSingletonInstantiated returns and the inner g
variable gets initialized. Please note that even if the g variable gets
initialized before any Ignite Service starts executing, a spring-managed bean
may still get the exception as the inner g variable is not volatile and other
threads may observe the outdated value for some small amount of time.
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