ehcache版本问题

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问题

rg.apache.shiro.cache.CacheException: net.sf.ehcache.CacheException: Another unnamed CacheManager already exists in the same VM. Please provide unique names for each CacheManager in the config or do one of following:1. Use one of the CacheManager.create() static factory methods to reuse same CacheManager with same name or create one if necessary2. Shutdown the earlier cacheManager before creating new one with same name.

答案

我靠，终于解决了，原来是ehcache版本的问题，ehcache-core2.5.0之前的版本不会出问题，2.5.0及之后会报这个异常，我选了个ehcache-core2.4.8的好使。

<dependency>
<groupId>net.sf.ehcache</groupId>
<artifactId>ehcache-core</artifactId>
<version>2.4.8</version>
</dependency>

看官方的文档说明：

Versions of Ehcache before version 2.5 allowed any number of CacheManagers with the same name (same configuration resource) to exist in a JVM.

Ehcache 2.5 and higher does not allow multiple CacheManagers with the same name to exist in the same JVM. CacheManager() constructors creating non-Singleton CacheManagers can violate this rule

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