[英]JBoss EAP 7 and Ifinispan
我有一個用JEE編寫的Web應用程序。 我正在使用hibernate作為JPA提供程序,並且希望將Infinispan用作第二級緩存。 當我瀏覽互聯網時,我注意到只需要添加幾行即可。 我在persistence.xml中添加了以下幾行
<property name="hibernate.cache.provider_class" value="org.hibernate.cache.infinispan.InfinispanRegionFactory"/>
<property name="javax.persistence.sharedCache.mode" value="ENABLE_SELECTIVE"/>
<property name="hibernate.cache.use_second_level_cache" value="true"/>
<property name="hibernate.cache.region.factory_class" value="org.hibernate.cache.infinispan.InfinispanRegionFactory"/>
<property name="hibernate.cache.use_query_cache" value="true"/>
但是在JBoss上部署Ear和War文件時,我收到一條錯誤消息
Caused by: org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.spi.CacheImplementor]
at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:244)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:208)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:189)
at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:242)
at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:444)
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:879)
... 83 more
Caused by: org.hibernate.cache.CacheException: Unable to start region factory
at org.hibernate.cache.infinispan.InfinispanRegionFactory.start(InfinispanRegionFactory.java:415)
at org.hibernate.internal.CacheImpl.<init>(CacheImpl.java:49)
at org.hibernate.engine.spi.CacheInitiator.initiateService(CacheInitiator.java:28)
at org.hibernate.engine.spi.CacheInitiator.initiateService(CacheInitiator.java:20)
at org.hibernate.service.internal.SessionFactoryServiceRegistryImpl.initiateService(SessionFactoryServiceRegistryImpl.java:46)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:234)
... 88 more
Caused by: org.infinispan.jmx.JmxDomainConflictException: ISPN000034: There's already a JMX MBean instance type=CacheManager,name="SampleCacheManager" already registered under 'org.infinispan' JMX domain. If you want to allow multiple instances configured with same JMX domain enable 'allowDuplicateDomains' attribute in 'globalJmxStatistics' config element
at org.infinispan.jmx.JmxUtil.buildJmxDomain(JmxUtil.java:52)
at org.infinispan.jmx.CacheManagerJmxRegistration.updateDomain(CacheManagerJmxRegistration.java:79)
at org.infinispan.jmx.CacheManagerJmxRegistration.buildRegistrar(CacheManagerJmxRegistration.java:73)
at org.infinispan.jmx.AbstractJmxRegistration.registerMBeans(AbstractJmxRegistration.java:37)
at org.infinispan.jmx.CacheManagerJmxRegistration.start(CacheManagerJmxRegistration.java:41)
at org.infinispan.manager.DefaultCacheManager.start(DefaultCacheManager.java:639)
at org.infinispan.manager.DefaultCacheManager.<init>(DefaultCacheManager.java:300)
at org.hibernate.cache.infinispan.InfinispanRegionFactory.createCacheManager(InfinispanRegionFactory.java:532)
at org.hibernate.cache.infinispan.InfinispanRegionFactory$1.doWork(InfinispanRegionFactory.java:500)
at org.hibernate.cache.infinispan.InfinispanRegionFactory$1.doWork(InfinispanRegionFactory.java:473)
at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.workWithClassLoader(ClassLoaderServiceImpl.java:342)
at org.hibernate.cache.infinispan.InfinispanRegionFactory.createCacheManager(InfinispanRegionFactory.java:472)
at org.hibernate.cache.infinispan.InfinispanRegionFactory.start(InfinispanRegionFactory.java:380)
... 93 more
UPDATE
當我的持久性單元看起來像這樣
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.0"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
<persistence-unit name="myPersistenceUnit" transaction-type="RESOURCE_LOCAL">
<non-jta-data-source>java:jboss/datasources/myDatasource</non-jta-data-source>
<mapping-file>META-INF/orm_mapping.xml</mapping-file>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<shared-cache-mode>ENABLE_SELECTIVE</shared-cache-mode>
...
<properties>
...
<property name="hibernate.cache.use_second_level_cache" value="true" />
...
</properties>
</persistence-unit>
</persistence>
我有一個例外
Caused by: org.hibernate.cache.NoCacheRegionFactoryAvailableException: Second-level cache is used in the application, but property hibernate.cache.region.factory_class is not given; please either disable second level cache or set correct region factory using the hibernate.cache.region.factory_class setting and make sure the second level cache provider (hibernate-infinispan, e.g.) is available on the classpath.
at org.hibernate.cache.internal.NoCachingRegionFactory.buildEntityRegion(NoCachingRegionFactory.java:66)
at org.hibernate.internal.SessionFactoryImpl.determineEntityRegionAccessStrategy(SessionFactoryImpl.java:619)
at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:332)
at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:444)
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:879)
... 83 more
將以下行添加到persistence.xml之后
<property name="hibernate.cache.region.factory_class" value="org.hibernate.cache.infinispan.InfinispanRegionFactory" />
我仍然對JMX MBean感到異常
Caused by: org.infinispan.jmx.JmxDomainConflictException: ISPN000034: There's already a JMX MBean instance type=CacheManager,name="SampleCacheManager" already registered under 'org.infinispan' JMX domain. If you want to allow multiple instances configured with same JMX domain enable 'allowDuplicateDomains' attribute in 'globalJmxStatistics' config element
at org.infinispan.jmx.JmxUtil.buildJmxDomain(JmxUtil.java:52)
at org.infinispan.jmx.CacheManagerJmxRegistration.updateDomain(CacheManagerJmxRegistration.java:79)
at org.infinispan.jmx.CacheManagerJmxRegistration.buildRegistrar(CacheManagerJmxRegistration.java:73)
at org.infinispan.jmx.AbstractJmxRegistration.registerMBeans(AbstractJmxRegistration.java:37)
at org.infinispan.jmx.CacheManagerJmxRegistration.start(CacheManagerJmxRegistration.java:41)
at org.infinispan.manager.DefaultCacheManager.start(DefaultCacheManager.java:639)
at org.infinispan.manager.DefaultCacheManager.<init>(DefaultCacheManager.java:300)
at org.hibernate.cache.infinispan.InfinispanRegionFactory.createCacheManager(InfinispanRegionFactory.java:532)
at org.hibernate.cache.infinispan.InfinispanRegionFactory$1.doWork(InfinispanRegionFactory.java:500)
at org.hibernate.cache.infinispan.InfinispanRegionFactory$1.doWork(InfinispanRegionFactory.java:473)
at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.workWithClassLoader(ClassLoaderServiceImpl.java:342)
at org.hibernate.cache.infinispan.InfinispanRegionFactory.createCacheManager(InfinispanRegionFactory.java:472)
at org.hibernate.cache.infinispan.InfinispanRegionFactory.start(InfinispanRegionFactory.java:380)
... 93 more
也許我需要某種infinispan配置文件,可以將其放置在
<jmx duplicate-domains="true" />
就像這里提到的Infinispan作為二級緩存休眠
您應該檢查EAP 7文檔,因為獲得二級緩存(由Infinispan在后台提供支持)所需的所有配置是:
<persistence-unit name="...">
(...) <!-- other configuration -->
<shared-cache-mode>ENABLE_SELECTIVE</shared-cache-mode>
<properties>
<property name="hibernate.cache.use_second_level_cache" value="true" />
<property name="hibernate.cache.use_query_cache" value="true" />
</properties>
</persistence-unit>
休眠版本應為5.0.x。
<persistence ...>
<persistence-unit ...>
...
<shared-cache-mode>ENABLE_SELECTIVE</shared-cache-mode> <!-- ADD THIS -->
<properties>
...
<property name="hibernate.cache.use_second_level_cache" value="true" /> <!-- KEEP THIS -->
</properties>
</persistence-unit>
</persistence>
刪除所有其他hibernate.cache。*屬性-僅保留上述內容
請注意,使用以上設置,您必須將實體明確標記為@Cacheable。 如果不希望將每個實體明確標記為@cacheable ----,則可以將其用於共享緩存模式的ALL設置,然后所有實體都將被緩存。
可以在EAP 7中找到有關配置和實現的其他文檔:Hibernate 5用戶指南( http://docs.jboss.org/hibernate/orm/5.0/userguide/html_single/Hibernate_User_Guide.html#caching )和Hibernate 5開發人員指南( http://docs.jboss.org/hibernate/orm/5.0/devguide/zh-CN/html_single/#d5e1433 )和Infinispan 8用戶指南( http://infinispan.org/docs/8.1.x/user_guide/user_guide .html )
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