Agent fails to restart after server shutdown

java.net.ConnectException: Connection refused
    at java.net.PlainSocketImpl.socketConnect(Native Method)
    at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
    at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:430)
    at java.net.Socket.connect(Socket.java:520)
    at java.net.Socket.connect(Socket.java:470)
    at java.net.Socket.<init>(Socket.java:367)
    at java.net.Socket.<init>(Socket.java:240)
    at org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:79)
    at org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:121)
    at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:706)
    at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(MultiThreadedHttpConnectionManager.java:1321)
    at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:386)
    at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:170)
    at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:396)
    at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:324)
    at com.atlassian.bamboo.agent.bootstrap.AgentClassLoader.findClass(AgentClassLoader.java:99)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
    at org.apache.activemq.command.ConsumerInfo.createRemoveCommand(ConsumerInfo.java:267)
    at org.apache.activemq.ActiveMQMessageConsumer.close(ActiveMQMessageConsumer.java:542)
    at org.jencks.amqpool.PooledSession.close(PooledSession.java:96)
    at org.logicblaze.lingo.jms.impl.OneWayRequestor.close(OneWayRequestor.java:81)
    at org.logicblaze.lingo.jms.impl.SingleThreadedRequestor.close(SingleThreadedRequestor.java:83)
    at com.atlassian.bamboo.lingo.BambooMultiplexingRequestor.close(BambooMultiplexingRequestor.java:49)
    at org.logicblaze.lingo.jms.JmsClientInterceptor.destroy(JmsClientInterceptor.java:156)
    at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:146)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:344)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:317)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:290)
    at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:706)
    at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:684)
    at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:651)
    at com.atlassian.bamboo.v2.build.agent.remote.RemoteAgent.stop(RemoteAgent.java:110)
    at com.atlassian.bamboo.agent.bootstrap.AgentRunner.stop(AgentRunner.java:38)
    at com.atlassian.bamboo.agent.bootstrap.AgentContext.restart(AgentContext.java:112)
    at com.atlassian.bamboo.agent.bootstrap.AgentClassLoader.findClass(AgentClassLoader.java:123)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
    at org.apache.activemq.util.ServiceSupport.stop(ServiceSupport.java:56)
    at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:145)
    at java.lang.Thread.run(Thread.java:613)