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Another unnamed CacheManager already exists in the same VM (ehCache 2.5)

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囚心锁ツ
囚心锁ツ 2020-11-30 20:41

This is what happens when I run my junit tests...

Another CacheManager with same name \'cacheManager\' already exists in the same VM. Please 
provide unique
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17条回答
  • 星月不相逢
    2020-11-30 21:00

    It happened to me when switching to Spring Boot 2.0.2. Resolved it by doing the following:

    REMOVE in application.yml

    spring.jpa.properties.hibernate.cache.region.factory_class: org.hibernate.cache.ehcache.SingletonEhCacheRegionFactory

    REMOVE in pom.xml

    <dependency>
    <groupId>net.sf.ehcache</groupId>
    <artifactId>ehcache</artifactId>
</dependency>

    KEEP in pom.xml only

    <dependency>
    <groupId>org.hibernate</groupId>
    <artifactId>hibernate-ehcache</artifactId>
</dependency>
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  • 时光取名叫无心
    2020-11-30 21:02

    As of Spring Boot 2.1.2 the following configuration worked to resolve the issue. (Note, these are snippets of the overall config.)

    Dependencies:

    <dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-cache</artifactId>
</dependency>
<dependency>
  <groupId>org.hibernate</groupId>
  <artifactId>hibernate-core</artifactId>
  <version>5.2.8.Final</version>
</dependency>
<dependency>
  <groupId>org.hibernate</groupId>
  <artifactId>hibernate-ehcache</artifactId>
  <version>5.2.8.Final</version>
</dependency>

    application.yml config:

    spring:
  jpa:
    open-in-view: false
    hibernate:
      ddl-auto: none
    show-sql: true
    properties:
      dialect: org.hibernate.dialect.MySQLDialect
      net:
        sf:
          ehcache:
            configurationResourceName: ehcache.xml
      hibernate:
        cache:
          use_second_level_cache: true
          region:
            factory_class: org.hibernate.cache.ehcache.SingletonEhCacheRegionFactory

    ehcache.xml configuration:

    <?xml version="1.0" encoding="UTF-8"?>
<ehcache>
  <!-- Required elements -->
  <diskStore path="java.io.tmpdir"/>
  <defaultCache
    maxElementsInMemory="10000"
    eternal="false"
    timeToIdleSeconds="120"
    timeToLiveSeconds="120"
    overflowToDisk="true"/>

  <!-- Cache settings per class -->
  <cache name="com.mystuff.component.services.example.Book"
    maxElementsInMemory="1000"
    eternal="false"
    timeToIdleSeconds="300"
    timeToLiveSeconds="600"
    overflowToDisk="true"/>
</ehcache>

    The application I am working on slows down drastically without a working cache. So, to validate I simply ran the application and hit one of the read intense endpoints.

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  • 失恋的感觉
    2020-11-30 21:04

    I had the same issue with my integration tests using JPA (2.0) + Hibernate (3.6.4) + Spring (3.2.4). The issue was resolved using following Hibernate configuration: 

    <property name="hibernate.cache.region.factory_class" value="net.sf.ehcache.hibernate.SingletonEhCacheRegionFactory"/>

    instead of using 

    <property name="hibernate.cache.region.factory_class" value="net.sf.ehcache.hibernate.EhCacheRegionFactory"/>
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  • 面向向阳花
    2020-11-30 21:04

    After upgrading to Hibernate 5 I had to use:

    <property name="hibernate.cache.region.factory_class" value="org.hibernate.cache.ehcache.SingletonEhCacheRegionFactory"/>

    instead of:

    <property name="hibernate.cache.region.factory_class" value="net.sf.ehcache.hibernate.SingletonEhCacheRegionFactory"/>

    Please note that the packages differ from each other.

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  • 无人共我
    2020-11-30 21:06

    In my case, we have a custom cache manager defined as bean. Also a custom application context so we don't use the spring junit runner... hence the @DirtiesContext doesn't work.

    The trick is to retrieve the cache instance from the bean, on that cache get the cacheManager (the instance from EHCache). and on that cachemanager call the removeCache method.

    Put this in a method annotated with @After and your cache is removed from the VM after each test. Like this:

    @After
public void destroy() {
    MyCustomCacheManager customCacheManager = (MyCustomCacheManager) context.getBean("yourCustomCacheManagerBean");

    try {
        net.sf.ehcache.Cache cache = customCacheManager.getCache();
        net.sf.ehcache.CacheManager cacheManager = cache.getCacheManager();
        cacheManager.removeCache("nameOfYourCache");
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }

    context.destroy();
    context = null;
}
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  • 无人共我
    2020-11-30 21:06

    In glassfish 3.0.1, I traced the issue to IniShiroFilter getting initialize twice, which happens when concurrent requests are fired just after the server start. Following is a stack trace from two different threads corresponding to two HTTP requets:

    [#|2012-11-28T08:25:10.630-0800|SEVERE|glassfish3.0.1|javax.enterprise.system.std.com.sun.enterprise.v3.services.impl|_ThreadID=28;_ThreadName=Thread-1;|java.lang.Exception: Stack trace
        at java.lang.Thread.dumpStack(Thread.java:1249)
        at org.apache.shiro.web.servlet.IniShiroFilter.<init>(IniShiroFilter.java:124)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.createManagedObject(InjectionManagerImpl.java:303)
        at com.sun.enterprise.web.WebContainer.createFilterInstance(WebContainer.java:725)
        at com.sun.enterprise.web.WebModule.createFilterInstance(WebModule.java:1948)
        at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:248)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215)
        at com.sentilla.filter.DumpFilter.doFilter(DumpFilter.java:152)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:277)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641)
        at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97)
        at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:85)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641)
        at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:322)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:226)
        at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:239)
        at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791)
        at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693)
        at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954)
        at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170)
        at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135)
        at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102)
        at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88)
        at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
        at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53)
        at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57)
        at com.sun.grizzly.ContextTask.run(ContextTask.java:69)
        at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:330)
        at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:309)
        at java.lang.Thread.run(Thread.java:662)

    Another thread 

    [#|2012-11-28T08:25:15.299-0800|SEVERE|glassfish3.0.1|javax.enterprise.system.std.com.sun.enterprise.v3.services.impl|_ThreadID=29;_ThreadName=Thread-1;|java.lang.Exception: Stack trace
        at java.lang.Thread.dumpStack(Thread.java:1249)
        at org.apache.shiro.web.servlet.IniShiroFilter.<init>(IniShiroFilter.java:124)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.createManagedObject(InjectionManagerImpl.java:303)
        at com.sun.enterprise.web.WebContainer.createFilterInstance(WebContainer.java:725)
        at com.sun.enterprise.web.WebModule.createFilterInstance(WebModule.java:1948)
        at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:248)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215)
        at com.sentilla.filter.DumpFilter.doFilter(DumpFilter.java:152)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:277)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641)
        at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97)
        at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:85)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641)
        at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:322)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:226)
        at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:239)
        at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791)
        at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693)
        at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954)
        at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170)
        at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135)
        at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102)
        at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88)
        at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
        at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53)
        at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57)
        at com.sun.grizzly.ContextTask.run(ContextTask.java:69)
        at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:330)
        at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:309)
        at java.lang.Thread.run(Thread.java:662)

    Looking at the stack trace ApplicationFilterConfig.java:248 could be the culprit. Or, glassfish is initializing filters in the wrong context, for comparison, Tomcat initializes filters during BootStrap.

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