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https://issues.apache.org/jira/browse/OFBIZ-6747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17616194#comment-17616194
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Ben Manes commented on OFBIZ-6747:
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I think you could change these [two
lines|https://github.com/apache/ofbiz-framework/blob/ac2270118df04bc593d4af029942478f85f13f01/build.gradle#L125-L126]
to 11 and it might work,
{code:groovy}
sourceCompatibility = '1.8'
targetCompatibility = '1.8'
{code}
> Replace ConcurrentLinkedHashMap by Caffeine
> -------------------------------------------
>
> Key: OFBIZ-6747
> URL: https://issues.apache.org/jira/browse/OFBIZ-6747
> Project: OFBiz
> Issue Type: Task
> Components: ALL COMPONENTS
> Reporter: Ben Manes
> Assignee: Jacques Le Roux
> Priority: Minor
>
> Similar to OFBIZ-3779, please consider upgrading the library used by
> [UtilCache|https://github.com/apache/ofbiz/blob/trunk/framework/base/src/main/java/org/apache/ofbiz/base/util/cache/UtilCache.java]
> (v1.2). The current version is 1.4.2 and is the last major release planned.
> The preferable alternative would be to upgrade to
> [Caffeine|https://github.com/ben-manes/caffeine]. This is a Java 8 rewrite
> based on what I've learned since developing CLHM and Guava's cache. As
> expected it provides [superior
> performance|https://github.com/ben-manes/caffeine/wiki/Benchmarks]. It also
> provides a [near
> optimal|https://github.com/ben-manes/caffeine/wiki/Efficiency] eviction
> policy.
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