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java.lang.IllegalStateException: cluster 'EH_CACHE' is already connected to singleton transport: [EH_CACHE, dummy-1352296780172]	at org.jgroups.stack.ProtocolStack.startStack(ProtocolStack.java:834)	at org.jgroups.JChannel.startStack(JChannel.java:1762)	at org.jgroups.JChannel.connect(JChannel.java:415)	at org.jgroups.JChannel.connect(JChannel.java:390)	at net.sf.ehcache.distribution.jgroups.JGroupsCacheManagerPeerProvider.init(JGroupsCacheManagerPeerProvider.java:148)	at net.sf.ehcache.CacheManager.init(CacheManager.java:355)	at net.sf.ehcache.CacheManager.(CacheManager.java:265)	at com.liferay.portal.cache.EhcachePortalCacheManager.afterPropertiesSet(EhcachePortalCacheManager.java:52)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1414)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1375)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1335)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:473)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)	at java.security.AccessController.doPrivileged(Native Method)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429)	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)	at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255)	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199)	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45)	at com.liferay.portal.spring.context.PortalContextLoaderListener.contextInitialized(PortalContextLoaderListener.java:49)	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3764)	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4216)	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)	at org.apache.catalina.core.StandardHost.start(StandardHost.java:736)	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)	at org.apache.catalina.core.StandardService.start(StandardService.java:448)	at org.apache.catalina.core.StandardServer.start(StandardServer.java:700)	at org.apache.catalina.startup.Catalina.start(Catalina.java:552)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)