Also sometimes I got another failure with symmetric: [java] JBMServer err:17:15:15,641 WARNING [org.jboss.messaging.core.remoting.impl.RemotingConnectionImpl] Connection failure has been detected Channel disconnected:2 [java] JBMServer err:17:15:15,963 SEVERE [org.jboss.messaging.core.server.impl.MessagingServerPacketHandler] Failed to reattach session [java] JBMServer err:java.lang.IllegalStateException: More than one replicating connection! [java] JBMServer err: at org.jboss.messaging.core.server.impl.MessagingServerImpl.freezeBackupConnection(MessagingServerImpl.java:843) [java] JBMServer err: at org.jboss.messaging.core.server.impl.MessagingServerImpl.checkActivate(MessagingServerImpl.java:788) [java] JBMServer err: at org.jboss.messaging.core.server.impl.MessagingServerImpl.reattachSession(MessagingServerImpl.java:480) [java] JBMServer err: at org.jboss.messaging.core.server.impl.MessagingServerPacketHandler.handleReattachSession(MessagingServerPacketHandler.java:298) [java] JBMServer err: at org.jboss.messaging.core.server.impl.MessagingServerPacketHandler.handlePacket(MessagingServerPacketHandler.java:128) [java] JBMServer err: at org.jboss.messaging.core.remoting.impl.RemotingConnectionImpl$ChannelImpl.handlePacket(RemotingConnectionImpl.java:1562) [java] JBMServer err: at org.jboss.messaging.core.remoting.impl.RemotingConnectionImpl$ChannelImpl.access$400(RemotingConnectionImpl.java:887) [java] JBMServer err: at org.jboss.messaging.core.remoting.impl.RemotingConnectionImpl.bufferReceived(RemotingConnectionImpl.java:488) [java] JBMServer err: at org.jboss.messaging.core.remoting.server.impl.RemotingServiceImpl$DelegatingBufferHandler.bufferReceived(RemotingServiceImpl.java:570) [java] JBMServer err: at org.jboss.messaging.integration.transports.netty.MessagingChannelHandler.messageReceived(MessagingChannelHandler.java:75) [java] JBMServer err: at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:105) [java] JBMServer err: at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:567) [java] JBMServer err: at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:803) [java] JBMServer err: at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:387) [java] JBMServer err: at org.jboss.netty.handler.codec.frame.FrameDecoder.fireMessageReceived(FrameDecoder.java:284) [java] JBMServer err: at org.jboss.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:261) [java] JBMServer err: at org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:184) [java] JBMServer err: at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:87) [java] JBMServer err: at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:567) [java] JBMServer err: at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:562) [java] JBMServer err: at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:344) [java] JBMServer err: at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:331) [java] JBMServer err: at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:303) [java] JBMServer err: at org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:255) [java] JBMServer err: at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:176) [java] JBMServer err: at org.jboss.netty.util.internal.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:72) [java] JBMServer err: at org.jboss.netty.util.internal.IoWorkerRunnable.run(IoWorkerRunnable.java:49) [java] JBMServer err: at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:651) [java] JBMServer err: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:676) [java] JBMServer err: at java.lang.Thread.run(Thread.java:595) ...... View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4237589#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...