HttpHostConnectException异常

来源：互联网发布：中国联合网络通信官网编辑：程序博客网时间：2024/05/08 05:48

今天用真机在运行android应用的时候，一直无法与服务端进行交付，下面是错误提示信息：

org.apache.http.conn.HttpHostConnectException: Connection to http://192.168.1.100:8080 refused
at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:183)
at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:360)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
at com.accountmanager.MainActivity$MyThread.run(MainActivity.java:111)
Caused by: java.net.ConnectException: failed to connect to /192.168.1.100 (port 8080): connect failed: ETIMEDOUT (Connection timed out)

192.168.1.100是我笔记本的ip地址，笔记本跟手机通过路由器共用一个网络，一开始以为是手机出问题了，因为前几天还能正常运行的。折腾了半天终于想到一个方法，我在手机的浏览器上运行tomcat，发现访问失败，由此联想到两台电脑ping包时候出现的问题，如果一台笔记本开了防火墙，另一台就无法ping通其ip。结果到控制面板一看，果然开了防火墙，关闭以后问题解决！

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