I am evaluating JBoss Messaging as a replacement for ActiveMQ at our company. I
have installed 2.0.0.BETA3 and am very impressed with the documentation and
examples - top stuff.
I have the server running on one machine with a jms setup and
<pre-acknowledge>true</pre-acknowledge> in the config. I have two client
machines which send messages to a topic and also receive messages from the same
topic. They are configured with the same pre-acknowledge mode (I don't really
care if messages go missing, I'm more interested in overall throughput and
stability). When run, one of the clients successfully sends messages to the
topic and receives messages back (including its own messages). However, the
other client (the exact same code) sends messages fine but only receives its
own messages back (*not* the messages from the other client). There are no
error messages in the client log files. However on the server I see this error
over and over again:
Failed to acknowledge
java.lang.IllegalStateException: Could not find reference with id 878 backup
false closed false
Does anybody have any idea what's going wrong here?
Here is a full stack trace for reference:
15:42:04,894 SEVERE [org.jboss.messaging.core.server.impl.ServerSessionImpl]
Failed to acknowledge
java.lang.IllegalStateException: Could not find reference with id 893 backup
false closed false
at
org.jboss.messaging.core.server.impl.ServerConsumerImpl.getExpired(ServerConsumerImpl.java:421)
at
org.jboss.messaging.core.server.impl.ServerSessionImpl.doHandleExpired(ServerSessionImpl.java:1623)
at
org.jboss.messaging.core.server.impl.ServerSessionImpl.handleExpired(ServerSessionImpl.java:478)
at
org.jboss.messaging.core.server.impl.ServerSessionPacketHandler.handlePacket(ServerSessionPacketHandler.java:152)
at
org.jboss.messaging.core.remoting.impl.ChannelImpl.handlePacket(ChannelImpl.java:621)
at
org.jboss.messaging.core.remoting.impl.RemotingConnectionImpl.bufferReceived(RemotingConnectionImpl.java:399)
at
org.jboss.messaging.core.remoting.server.impl.RemotingServiceImpl$DelegatingBufferHandler.bufferReceived(RemotingServiceImpl.java:483)
at
org.jboss.messaging.integration.transports.netty.MessagingChannelHandler.messageReceived(MessagingChannelHandler.java:75)
at
org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:105)
at
org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:567)
at
org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:803)
at
org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:387)
at
org.jboss.netty.handler.codec.frame.FrameDecoder.fireMessageReceived(FrameDecoder.java:284)
at
org.jboss.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:261)
at
org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:184)
at
org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:87)
at
org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:567)
at
org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:562)
at
org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:344)
at
org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:331)
at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:303)
at
org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:255)
at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:176)
at
org.jboss.netty.util.internal.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:72)
at
org.jboss.netty.util.internal.IoWorkerRunnable.run(IoWorkerRunnable.java:49)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
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