Tomcat的请求负载问题“连接被拒绝”

我在Tomcat上7.50的应用程序，在单一的请求，但在许多simultanious请求（〜1200）我得到正常工作：Tomcat的请求负载问题“连接被拒绝”

2014-11-02 11:22:48,485 ERROR [MONITOR-AGENT ] Connection to http://localhost:9080 refused from url http://localhost:9080/monitorLog/monitor?id=21812&name=sv17222_DB82C_201410282357.log... 
2014-11-02 11:22:48,485 ERROR [MONITOR-AGENT ] Connection to http://localhost:9080 refused 

org.apache.http.conn.HttpHostConnectException: Connection to http://localhost:9080 refused 

     at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:158) 

     at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149) 

     at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:121) 

     at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:573) 

     at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:425) 

     at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820) 

     at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:941) 

     at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:919) 

     at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:910) 

     at com.securegion.monitoragent.monitor.MonitorAgent.httpGet(MonitorAgent.java:291) 

     at com.securegion.monitoragent.monitor.MonitorAgent.monitor(MonitorAgent.java:239) 

     at com.securegion.monitoragent.monitor.MonitorAgent.check(MonitorAgent.java:203) 

     at com.securegion.monitoragent.engine.Agent.run(Agent.java:35) 

     at java.util.TimerThread.mainLoop(Unknown Source) 

     at java.util.TimerThread.run(Unknown Source) 

Caused by: java.net.ConnectException: Connection refused: connect 

     at java.net.DualStackPlainSocketImpl.connect0(Native Method) 

     at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source) 

     at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source) 

     at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source) 

     at java.net.AbstractPlainSocketImpl.connect(Unknown Source) 

     at java.net.PlainSocketImpl.connect(Unknown Source) 

     at java.net.SocksSocketImpl.connect(Unknown Source) 

     at java.net.Socket.connect(Unknown Source) 

     at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:123) 

     at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:148) 

     ... 14 more

我的server.xml中的连接器：

<Connector port="9080" protocol="HTTP/1.1" 
connectionTimeout="60000" 
redirectPort="8443" keepAliveTimeout = "-1" 
maxThreads="150" acceptCount="1500"/>

这很好，如果一些请求将被拒绝，并会在接下来的迭代中解决，但只有几（〜5）越来越服务器之前成功给我那些messaggs

来源

2014-11-02 Alaychem

镨问题实际上是记忆问题。通过删除-Xmx属性释放某些堆栈内存后，问题得以解决

来源

2014-11-11 13:21:02 Alaychem

Tomcat的请求负载问题“连接被拒绝”

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