gigazhang [https://community.jboss.org/people/gigazhang] created the discussion "human-task5.2.0 client conect to server throws: Invalid type:-84" To view the discussion, visit: https://community.jboss.org/message/743882#743882 -------------------------------------------------------------- <dependency>             <groupId>org.jboss.netty</groupId>             <artifactId>netty</artifactId>             <version>3.2.3.Final</version>         </dependency> Server: TaskService taskService = new TaskService(emf, SystemEventListenerFactory.getSystemEventListener());             server = new HornetQTaskServer(taskService, 1923);             Thread thread = new Thread(server);             thread.start();             while (!server.isRunning()) {                 System.out.print(".");                 Thread.sleep(50);             }             isRunning = true;             log.info("HornetQ server started ..."); Client: TaskClient client = new TaskClient(new HornetQTaskClientConnector("HornetQ Client", new HornetQTaskClientHandler(SystemEventListenerFactory.getSystemEventListener()))); boolean connected = client.connect("127.0.0.1", 1923); when taskHandler conect ,throws exception: CommandBasedWSHumanTaskHandler taskHandler = new CommandBasedWSHumanTaskHandler(ksession); ksession.getWorkItemManager().registerWorkItemHandler("Human Task", taskHandler); taskHandler.setConnection("127.0.0.1", 1923); taskHandler.connect(); java.lang.IllegalArgumentException: Invalid type: -84         at org.hornetq.core.protocol.core.impl.PacketDecoder.decode(PacketDecoder.java:524)         at org.hornetq.core.protocol.core.impl.RemotingConnectionImpl.bufferReceived(RemotingConnectionImpl.java:424)         at org.hornetq.core.remoting.server.impl.RemotingServiceImpl$DelegatingBufferHandler.bufferReceived(RemotingServ iceImpl.java:459)         at org.hornetq.core.remoting.impl.netty.HornetQChannelHandler.messageReceived(HornetQChannelHandler.java:73)         at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:100)         at org.jboss.netty.channel.StaticChannelPipeline.sendUpstream(StaticChannelPipeline.java:362)         at org.jboss.netty.channel.StaticChannelPipeline$StaticChannelHandlerContext.sendUpstream(StaticChannelPipeline. java:514)         at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:287)         at org.hornetq.core.remoting.impl.netty.HornetQFrameDecoder2.decode(HornetQFrameDecoder2.java:169)         at org.hornetq.core.remoting.impl.netty.HornetQFrameDecoder2.messageReceived(HornetQFrameDecoder2.java:134)         at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:80)         at org.jboss.netty.channel.StaticChannelPipeline.sendUpstream(StaticChannelPipeline.java:362)         at org.jboss.netty.channel.StaticChannelPipeline.sendUpstream(StaticChannelPipeline.java:357)         at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:274)         at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:261)         at org.jboss.netty.channel.socket.oio.OioWorker.run(OioWorker.java:90)         at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)         at org.jboss.netty.util.internal.IoWorkerRunnable.run(IoWorkerRunnable.java:46)         at org.jboss.netty.util.VirtualExecutorService$ChildExecutorRunnable.run(VirtualExecutorService.java:181)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)         at java.lang.Thread.run(Thread.java:722) -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/743882#743882] Start a new discussion in jBPM Development at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]