[infinispan-issues] [JBoss JIRA] (ISPN-10330) BasicComponentRegistryImpl.findFactory() concurrency issue

[Will Burns (Jira)]

     [ https://issues.jboss.org/browse/ISPN-10330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Will Burns updated ISPN-10330:
------------------------------
        Status: Resolved  (was: Pull Request Sent)
    Resolution: Done


> BasicComponentRegistryImpl.findFactory() concurrency issue
> ----------------------------------------------------------
>
>                 Key: ISPN-10330
>                 URL: https://issues.jboss.org/browse/ISPN-10330
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 10.0.0.Beta3, 9.4.15.Final
>            Reporter: Dan Berindei
>            Assignee: Dan Berindei
>            Priority: Major
>             Fix For: 10.0.0.Beta4, 9.4.16.Final
>
>
> When 2 threads try to create the same component concurrently and they also end up creating an {{AutoInstantiableFactory}} concurrently, one of them may get a {{NullPointerException}}.
> {noformat}
> org.infinispan.commons.CacheConfigurationException: Failed to construct component org.infinispan.factories.TestDelayFactory, path org.infinispan.factories.TestDelayFactory
> 	at org.infinispan.factories.impl.BasicComponentRegistryImpl.doInstantiateWrapper(BasicComponentRegistryImpl.java:169) ~[classes/:?]
> 	at org.infinispan.factories.impl.BasicComponentRegistryImpl.instantiateWrapper(BasicComponentRegistryImpl.java:156) ~[classes/:?]
> 	at org.infinispan.factories.impl.BasicComponentRegistryImpl.getComponent0(BasicComponentRegistryImpl.java:126) ~[classes/:?]
> 	at org.infinispan.factories.impl.BasicComponentRegistryImpl.getComponent(BasicComponentRegistryImpl.java:66) ~[classes/:?]
> 	at org.infinispan.factories.impl.BasicComponentRegistryImpl.findFactory(BasicComponentRegistryImpl.java:232) ~[classes/:?]
> 	at org.infinispan.factories.impl.BasicComponentRegistryImpl.getComponent0(BasicComponentRegistryImpl.java:113) ~[classes/:?]
> 	at org.infinispan.factories.impl.BasicComponentRegistryImpl.getComponent(BasicComponentRegistryImpl.java:66) ~[classes/:?]
> 	at org.infinispan.factories.impl.BasicComponentRegistryImpl.getComponent0(BasicComponentRegistryImpl.java:106) ~[classes/:?]
> 	at org.infinispan.factories.impl.BasicComponentRegistryImpl.getComponent(BasicComponentRegistryImpl.java:66) ~[classes/:?]
> 	at org.infinispan.factories.AbstractComponentRegistry.getComponent(AbstractComponentRegistry.java:232) ~[classes/:?]
> 	at org.infinispan.factories.AbstractComponentRegistry.getOrCreateComponent(AbstractComponentRegistry.java:162) ~[classes/:?]
> 	at org.infinispan.factories.ComponentRegistryTest.lambda$testConcurrentLookup$1(ComponentRegistryTest.java:75) ~[test-classes/:?]
> 	at org.infinispan.test.AbstractInfinispanTest$CallableWrapper.call(AbstractInfinispanTest.java:528) [test-classes/:?]
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
> 	at java.lang.Thread.run(Thread.java:834) [?:?]
> Caused by: java.lang.NullPointerException
> 	at org.infinispan.factories.impl.BasicComponentRegistryImpl.doInstantiateWrapper(BasicComponentRegistryImpl.java:166) ~[classes/:?]
> 	... 16 more
> {noformat}



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