On 23 Jun 2016, at 15:51, Sean Whalen &lt;whalenster(a)gmail.com&gt; wrote: Hi, I just upgraded XWiki 8.1 to 8.1+1 on Ubuntu Server 16.04 LTS using the XWiki Debain repository. Now I get an HTTP error with this as the root cause: org.infinispan.jmx.JmxDomainConflictException: ISPN000034: There's already a JMX MBean instance type=CacheManager,name="xwiki" already registered under 'org.xwiki.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:657) at org.infinispan.manager.DefaultCacheManager.<init>(DefaultCacheManager.java:310) at org.infinispan.manager.DefaultCacheManager.<init>(DefaultCacheManager.java:285) at org.infinispan.manager.DefaultCacheManager.<init>(DefaultCacheManager.java:271) at org.xwiki.cache.infinispan.internal.InfinispanCacheFactory.initialize(InfinispanCacheFactory.java:106) at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39) at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:322) at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:424) at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:392) ... 53 common frames omitted How can I fix this? _______________________________________________ users mailing list users(a)xwiki.org http://lists.xwiki.org/mailman/listinfo/users

I'm not intending to if I am. Perhaps some configuration got duplicated? Any suggestions on which config files to check? On Thu, Jun 23, 2016 at 9:54 AM, Vincent Massol &lt;vincent(a)massol.net&gt; wrote: