Shutting Down Ehcache Properly
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If you’re using ehcache’s disk persistence feature, which allows the cache to survive across JVM restarts, be sure to shut down ehcache properly.
To do so when using ehcache within a webapp, simply add its ShutdownListener as a listener in web.xml.
Alternatively, or when not using ehcache inside a webapp, instruct ehcache to register its own shutdown hook by setting a system property.
If you forget one of the above, your persisted cache may not be up-to-date, or worse, not persisted at all.
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