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From "Luca Burgazzoli (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CAMEL-11266) The ehcache component creates a separate CacheManager per producer route
Date Wed, 24 May 2017 10:15:04 GMT

     [ https://issues.apache.org/jira/browse/CAMEL-11266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Luca Burgazzoli resolved CAMEL-11266.
-------------------------------------
    Resolution: Fixed

> The ehcache component creates a separate CacheManager per producer route
> ------------------------------------------------------------------------
>
>                 Key: CAMEL-11266
>                 URL: https://issues.apache.org/jira/browse/CAMEL-11266
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-ehcache
>    Affects Versions: 2.19.0
>            Reporter: Marco Santarelli
>            Assignee: Luca Burgazzoli
>            Priority: Minor
>             Fix For: 2.20.0
>
>
> The issue becomes clear if the developers declares more than one producer route with
the attached ehcache config: multiple cache managers start contention of file lock and the
startup fails.
> {code:xml}
>  <?xml version="1.0" encoding="UTF-8"?>
> <ehcache:config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>                 xmlns:ehcache="http://www.ehcache.org/v3"
>                 xsi:schemaLocation="http://www.ehcache.org/v3 http://www.ehcache.org/schema/ehcache-core-3.3.xsd">
>     <ehcache:persistence directory="${java.io.tmpdir}/ehcache"></ehcache:persistence>
>     <ehcache:cache alias="cache1" uses-template="default-template">
>     </ehcache:cache>
>     <ehcache:cache alias="cache2" uses-template="default-template">
>         <ehcache:expiry>
>             <ehcache:ttl unit="minutes">60</ehcache:ttl>
>         </ehcache:expiry>
>     </ehcache:cache>
>     <ehcache:cache alias="cache3" uses-template="default-template">
>         <ehcache:expiry>
>             <ehcache:ttl unit="minutes">1</ehcache:ttl>
>         </ehcache:expiry>
>     </ehcache:cache>
>     <ehcache:cache-template name="default-template">
>         <ehcache:key-type>java.lang.String</ehcache:key-type>
>         <ehcache:value-type>java.io.Serializable</ehcache:value-type>
>         <ehcache:expiry>
>             <ehcache:none/>
>         </ehcache:expiry>
>         <ehcache:resources>
>             <ehcache:heap unit="entries">1000</ehcache:heap>
>             <ehcache:disk persistent="true" unit="MB">10</ehcache:disk>
>         </ehcache:resources>
>     </ehcache:cache-template>
> </ehcache:config>
> {code}
> resulting in:
> {code}
> Caused by: org.ehcache.StateTransitionException: Couldn't lock rootDir: /var/folders/gf/6psxkr_n7vl_qbhw8mktqqww0000gn/T/ehcache
> 	at org.ehcache.core.StatusTransitioner$Transition.failed(StatusTransitioner.java:235)
~[ehcache-3.2.2.jar:3.2.2 892e5c56c2a7100866de90dc7c2099a62fb6198b]
> 	at org.ehcache.core.EhcacheManager.init(EhcacheManager.java:588) ~[ehcache-3.2.2.jar:3.2.2
892e5c56c2a7100866de90dc7c2099a62fb6198b]
> 	at org.apache.camel.component.ehcache.EhcacheManager.start(EhcacheManager.java:66) ~[camel-ehcache-2.19.0.jar:2.19.0]
> 	at org.apache.camel.component.ehcache.EhcacheEndpoint.doStart(EhcacheEndpoint.java:65)
~[camel-ehcache-2.19.0.jar:2.19.0]
> 	at org.apache.camel.support.ServiceSupport.start(ServiceSupport.java:61) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.util.ServiceHelper.startService(ServiceHelper.java:75) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.processor.SendProcessor.doStart(SendProcessor.java:236) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.support.ServiceSupport.start(ServiceSupport.java:61) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.util.ServiceHelper.startService(ServiceHelper.java:75) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.util.ServiceHelper.startService(ServiceHelper.java:60) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.util.ServiceHelper.startServices(ServiceHelper.java:104) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.util.ServiceHelper.startServices(ServiceHelper.java:90) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.processor.RedeliveryErrorHandler.doStart(RedeliveryErrorHandler.java:1447)
~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.support.ChildServiceSupport.start(ChildServiceSupport.java:44) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.support.ChildServiceSupport.start(ChildServiceSupport.java:31) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.util.ServiceHelper.startService(ServiceHelper.java:75) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.util.ServiceHelper.startService(ServiceHelper.java:60) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.util.ServiceHelper.startServices(ServiceHelper.java:104) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.util.ServiceHelper.startServices(ServiceHelper.java:90) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.processor.interceptor.DefaultChannel.doStart(DefaultChannel.java:156)
~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.support.ServiceSupport.start(ServiceSupport.java:61) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.util.ServiceHelper.startService(ServiceHelper.java:75) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.util.ServiceHelper.startService(ServiceHelper.java:60) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.util.ServiceHelper.startServices(ServiceHelper.java:104) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.util.ServiceHelper.startServices(ServiceHelper.java:90) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.processor.DelegateAsyncProcessor.doStart(DelegateAsyncProcessor.java:80)
~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.support.ServiceSupport.start(ServiceSupport.java:61) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.util.ServiceHelper.startService(ServiceHelper.java:75) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.impl.RouteService.startChildService(RouteService.java:364) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.impl.RouteService.doWarmUp(RouteService.java:196) ~[camel-core-2.19.0.jar:2.19.0]
> 	at org.apache.camel.impl.RouteService.warmUp(RouteService.java:145) ~[camel-core-2.19.0.jar:2.19.0]
> 	... 28 common frames omitted
> {code}



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