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)
