Ive checked the logging, i log the packet being received, the lock before the response thread tries to lock it and just after it has obtained the lock (which doesn't appear) and the stacktrace from the createsession method prefixed with lots of *'s. [junit] main 14:51:49,532 INFO [SecurityTest] ####################################################### Start IN-VM test: testLoginValidUserInvalidPassword | [junit] New I/O server worker #6-2 14:51:49,537 ERROR [MessagingServerPacketHandler] Failed to create session | [junit] MessagingException[errorCode=105 message=Unable to validate user: john] | [junit] at org.jboss.messaging.core.security.impl.SecurityStoreImpl.authenticate(SecurityStoreImpl.java:119) | [junit] at org.jboss.messaging.core.server.impl.MessagingServerImpl.doCreateSession(MessagingServerImpl.java:975) | [junit] at org.jboss.messaging.core.server.impl.MessagingServerImpl.createSession(MessagingServerImpl.java:693) | [junit] at org.jboss.messaging.core.server.impl.MessagingServerPacketHandler.doHandleCreateSession(MessagingServerPacketHandler.java:103) | [junit] at org.jboss.messaging.core.server.impl.MessagingServerPacketHandler.handleCreateSession(MessagingServerPacketHandler.java:140) | [junit] at org.jboss.messaging.core.server.impl.MessagingServerPacketHandler.handlePacket(MessagingServerPacketHandler.java:71) | [junit] at org.jboss.messaging.core.remoting.impl.RemotingConnectionImpl$ChannelImpl.handlePacket(RemotingConnectionImpl.java:1472) | [junit] at org.jboss.messaging.core.remoting.impl.RemotingConnectionImpl$ChannelImpl.access$400(RemotingConnectionImpl.java:845) | [junit] at org.jboss.messaging.core.remoting.impl.RemotingConnectionImpl.bufferReceived(RemotingConnectionImpl.java:492) | [junit] at org.jboss.messaging.core.remoting.server.impl.RemotingServiceImpl$DelegatingBufferHandler.bufferReceived(RemotingServiceImpl.java:361) | [junit] at org.jboss.messaging.integration.transports.netty.MessagingChannelHandler.messageReceived(MessagingChannelHandler.java:62) | [junit] at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:105) | [junit] at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:577) | [junit] at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:804) | [junit] at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:385) | [junit] at org.jboss.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:279) | [junit] at org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:202) | [junit] at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:105) | [junit] at org.jboss.netty.handler.codec.frame.FrameDecoder.handleUpstream(FrameDecoder.java:162) | [junit] at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:577) | [junit] at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:572) | [junit] at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:342) | [junit] at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:329) | [junit] at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:302) | [junit] at org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:254) | [junit] at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:171) | [junit] at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:72) | [junit] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) | [junit] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) | [junit] at java.lang.Thread.run(Thread.java:619) | [junit] New I/O client worker #317-1 14:51:49,538 INFO [RemotingConnectionImpl] packet = PACKET[type=20, channelID=1], exception= MessagingException[errorCode=105 message=Unable to validate user: john]] | [junit] New I/O client worker #317-1 14:51:49,538 INFO [RemotingConnectionImpl] lock = java.util.concurrent.locks.ReentrantLock@12b71a3[Locked by thread main] | [junit] main 14:51:49,538 INFO [ConnectionManagerImpl] ************************************************ | [junit] MessagingException[errorCode=105 message=Unable to validate user: john] | [junit] at org.jboss.messaging.core.remoting.impl.wireformat.MessagingExceptionMessage.decodeBody(MessagingExceptionMessage.java:81) | [junit] at org.jboss.messaging.core.remoting.impl.wireformat.PacketImpl.decode(PacketImpl.java:198) | [junit] at org.jboss.messaging.core.remoting.impl.RemotingConnectionImpl.decode(RemotingConnectionImpl.java:836) | [junit] at org.jboss.messaging.core.remoting.impl.RemotingConnectionImpl.bufferReceived(RemotingConnectionImpl.java:482) | [junit] at org.jboss.messaging.core.client.impl.ConnectionManagerImpl$DelegatingBufferHandler.bufferReceived(ConnectionManagerImpl.java:944) | [junit] at org.jboss.messaging.integration.transports.netty.MessagingChannelHandler.messageReceived(MessagingChannelHandler.java:62) | [junit] at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:105) | [junit] at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:577) | [junit] at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:804) | [junit] at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:385) | [junit] at org.jboss.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:279) | [junit] at org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:202) | [junit] at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:105) | [junit] at org.jboss.netty.handler.codec.frame.FrameDecoder.handleUpstream(FrameDecoder.java:162) | [junit] at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:577) | [junit] at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:572) | [junit] at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:342) | [junit] at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:329) | [junit] at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:302) | [junit] at org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:254) | [junit] at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:171) | [junit] at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:72) | [junit] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) | [junit] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) | [junit] at java.lang.Thread.run(Thread.java:619) | | | View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4215344#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...