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https://issues.apache.org/jira/browse/CAMEL-7174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15234136#comment-15234136
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Claus Ibsen commented on CAMEL-7174:
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Thanks I have applied the v3 so its part of Camel 2.18.
> CacheManager should only be shutdown when last endpoint is stopped
> ------------------------------------------------------------------
>
> Key: CAMEL-7174
> URL: https://issues.apache.org/jira/browse/CAMEL-7174
> Project: Camel
> Issue Type: Bug
> Components: camel-cache, karaf
> Affects Versions: 2.8.5
> Environment: ServiceMix 4.4.2
> Reporter: metatech
> Assignee: Claus Ibsen
> Priority: Minor
> Fix For: 2.18.0
>
> Attachments: camel_multiple_cache_v3.diff
>
>
> When multiple bundles contain routes with a "cache:" endpoint, if one bundle
> is stopped, the cache from the other bundle stops working as well.
> Solution : in method doStop of class
> org.apache.camel.component.cache.CacheManagerFactory, remove the call to
> cacheManager.shutdown().
> If really useful, a more elaborate reference counting mechanism could be used
> to stop the CacheManager when the last endpoint is being stopped
> {code}
> Caused by: java.lang.IllegalStateException: The CacheManager has been shut
> down. It can no longer be used.
> at net.sf.ehcache.CacheManager.checkStatus(CacheManager.java:1158)
> at net.sf.ehcache.CacheManager.cacheExists(CacheManager.java:1048)
> at
> org.apache.camel.component.cache.CacheEndpoint.initializeCache(CacheEndpoint.java:104)
> at
> org.apache.camel.component.cache.CacheProducer.process(CacheProducer.java:56)
> {code}
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