标签: jms

ActiveMQ - 每 2 秒“无法发送，通道已经失败”？

ActiveMQ 5.7.0
CentOS 6.3 版
java版本“1.6.0_26”
应用服务器：Tomcat

在中activemq.log，我每 2 秒看到一次此异常：

2013-11-05 13:00:52,374 | DEBUG | Transport Connection to: tcp://127.0.0.1:37501 failed:
org.apache.activemq.transport.InactivityIOException: 
Cannot send, channel has already failed: tcp://127.0.0.1:37501 | org.apache.activemq.broker.TransportConnection.Transport | Async Exception Handler
org.apache.activemq.transport.InactivityIOException: Cannot send, channel has already failed: tcp://127.0.0.1:37501
        at org.apache.activemq.transport.AbstractInactivityMonitor.doOnewaySend(AbstractInactivityMonitor.java:282)
        at org.apache.activemq.transport.AbstractInactivityMonitor.oneway(AbstractInactivityMonitor.java:271)
        at org.apache.activemq.transport.TransportFilter.oneway(TransportFilter.java:85)
        at org.apache.activemq.transport.WireFormatNegotiator.oneway(WireFormatNegotiator.java:104)
        at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:68)
        at org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:1312)
        at org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:838)
        at org.apache.activemq.broker.TransportConnection.iterate(TransportConnection.java:873)
        at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:129)
        at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:47)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)

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由于这个关键字InactivityIOException，我首先想到的是InactivityMonitor，但奇怪的是MaxInactivityDuration=30000：