Hi Tom,
I have setup clustering on 2 node with following specification.
Java : 1.8.0_77 Oracle Corporation – Java HotSpot™ 64-Bit Server VM
openfire : 4.0.2
Hazelcast : 2.2.0
When i click on Users/Groups tab on admin console it throw below exception :
2016.05.03 06:37:30 org.jivesoftware.openfire.handler.IQHandler - Internal server error
java.lang.ClassCastException: org.jivesoftware.util.cache.DefaultCache cannot be cast to org.jivesoftware.openfire.plugin.util.cache.ClusteredCache
at org.jivesoftware.openfire.plugin.util.cache.ClusteredCacheFactory.getLock(Clust eredCacheFactory.java:444)
at org.jivesoftware.util.cache.CacheFactory.getLock(CacheFactory.java:415)
at org.jivesoftware.openfire.spi.RoutingTableImpl.addClientRoute(RoutingTableImpl. java:180)
at org.jivesoftware.openfire.SessionManager.addSession(SessionManager.java:588)
at org.jivesoftware.openfire.session.LocalClientSession.setAuthToken(LocalClientSe ssion.java:684)
at org.jivesoftware.openfire.handler.IQBindHandler.handleIQ(IQBindHandler.java:154 )
at org.jivesoftware.openfire.handler.IQHandler.process(IQHandler.java:66)
at org.jivesoftware.openfire.IQRouter.handle(IQRouter.java:372)
at org.jivesoftware.openfire.IQRouter.route(IQRouter.java:115)
at org.jivesoftware.openfire.spi.PacketRouterImpl.route(PacketRouterImpl.java:78)
at org.jivesoftware.openfire.net.StanzaHandler.processIQ(StanzaHandler.java:342)
at org.jivesoftware.openfire.net.ClientStanzaHandler.processIQ(ClientStanzaHandler .java:99)
at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:307)
at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:199)
at org.jivesoftware.openfire.nio.ConnectionHandler.messageReceived(ConnectionHandl er.java:181)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceive d(DefaultIoFilterChain.java:690)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(D efaultIoFilterChain.java:417)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilt erChain.java:47)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceiv ed(DefaultIoFilterChain.java:765)
at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapte r.java:109)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(D efaultIoFilterChain.java:417)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilt erChain.java:47)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceiv ed(DefaultIoFilterChain.java:765)
at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flus h(ProtocolCodecFilter.java:407)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecF ilter.java:236)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(D efaultIoFilterChain.java:417)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilt erChain.java:47)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceiv ed(DefaultIoFilterChain.java:765)
at org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:74)
at org.apache.mina.core.session.IoEvent.run(IoEvent.java:63)
at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTask(Ordere dThreadPoolExecutor.java:769)
at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTasks(Order edThreadPoolExecutor.java:761)
at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.run(OrderedThr eadPoolExecutor.java:703)
at java.lang.Thread.run(Thread.java:745)