[infinispan-issues] [JBoss JIRA] (ISPN-2297) Cache restart doesn't work properly

[Dan Berindei (JIRA)]

Dan Berindei created ISPN-2297:
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             Summary: Cache restart doesn't work properly
                 Key: ISPN-2297
                 URL: https://issues.jboss.org/browse/ISPN-2297
             Project: Infinispan
          Issue Type: Bug
            Reporter: Dan Berindei
            Assignee: Mircea Markus


Cache restart has at least two issues:

1. If a cache is stopped via {{Cache.stop()}} it will still be returned by {{DefaultCacheManager.getCache()}}. Cache {{start()}} and {{stop()}} are not synchronized in any way, so a {{start()}} call may return before the cache was properly started - just because another thread is in the process of starting it.

2. {{ComponentRegistry}} keeps a few components as fields to speed up access. These components are destroyed on {{stop()}} and re-created on {{start()}}, because they are volatile, but the field references are not updated.

Also, the documentation of {{EmbeddedCacheManager.getCache()}} should say that it will start the cache only if it doesn't exist yet - if the cache is stopped it will return the cache as it was. Alternatively we could change the behaviour of {{getCache()}} to always start the cache.

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