Hi Tim Setting the jmxName to null on the composite cache manager should do the trick but depending the api you use is more or less easy. Can you have a look?
Le 16 nov. 2017 21:54, "Tim Cronin" <t...@outboundengine.com> a écrit : we have a few webapps running on the same server that use JCS. when moving the 2.x we started getting the following error on tomcat startup javax.management.InstanceAlreadyExistsException: org.apache.commons.jcs:type=JCSAdminBean at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor. registerWithRepository(DefaultMBeanServerInterceptor.java:1898) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean( DefaultMBeanServerInterceptor.java:966) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject( DefaultMBeanServerInterceptor.java:900) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean( DefaultMBeanServerInterceptor.java:324) at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean( JmxMBeanServer.java:522) at org.apache.commons.jcs.engine.control.CompositeCacheManager.initialize( CompositeCacheManager.java:271) at org.apache.commons.jcs.engine.control.CompositeCacheManager.getInstance( CompositeCacheManager.java:185) at org.apache.commons.jcs.engine.control.CompositeCacheManager.getInstance( CompositeCacheManager.java:161) at org.apache.commons.jcs.JCS.getCacheManager(JCS.java:172) at org.apache.commons.jcs.JCS.getInstance(JCS.java:190) at com.outboundengine.cache.Cache.<init>(Cache.java:42) at com.outboundengine.cache.CacheManager.<init>(CacheManager.java:37) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance( NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance( DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423)