创建ServerSocket出错Permission denied
2017-10-12 22:13
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在实现两Android设备通讯的过程中，使用一台手机作为服务器端，使用ServerSocket时出现如下错误
10-12 20:09:03.680 23977-24056/aw.com.wifi_connect_server W/System.err: java.net.SocketException: Permission denied
10-12 20:09:03.681 23977-24056/aw.com.wifi_connect_server W/System.err: at java.net.ServerSocket.createImpl(ServerSocket.java:309)
10-12 20:09:03.681 23977-24056/aw.com.wifi_connect_server W/System.err: at java.net.ServerSocket.getImpl(ServerSocket.java:258)
10-12 20:09:03.681 23977-24056/aw.com.wifi_connect_server W/System.err: at java.net.ServerSocket.bind(ServerSocket.java:377)
10-12 20:09:03.681 23977-24056/aw.com.wifi_connect_server W/System.err: at java.net.ServerSocket.<init>(ServerSocket.java:237)
10-12 20:09:03.681 23977-24056/aw.com.wifi_connect_server W/System.err: at java.net.ServerSocket.<init>(ServerSocket.java:128)
10-12 20:09:03.681 23977-24056/aw.com.wifi_connect_server W/System.err: at aw.com.wifi_connect_server.MainActivity$2.run(MainActivity.java:71)
原因：权限不够；
在AndroidManifest.xml中添加相应权限
<uses-permission android:name="android.permission.INTERNET" />
10-12 20:09:03.680 23977-24056/aw.com.wifi_connect_server W/System.err: java.net.SocketException: Permission denied
10-12 20:09:03.681 23977-24056/aw.com.wifi_connect_server W/System.err: at java.net.ServerSocket.createImpl(ServerSocket.java:309)
10-12 20:09:03.681 23977-24056/aw.com.wifi_connect_server W/System.err: at java.net.ServerSocket.getImpl(ServerSocket.java:258)
10-12 20:09:03.681 23977-24056/aw.com.wifi_connect_server W/System.err: at java.net.ServerSocket.bind(ServerSocket.java:377)
10-12 20:09:03.681 23977-24056/aw.com.wifi_connect_server W/System.err: at java.net.ServerSocket.<init>(ServerSocket.java:237)
10-12 20:09:03.681 23977-24056/aw.com.wifi_connect_server W/System.err: at java.net.ServerSocket.<init>(ServerSocket.java:128)
10-12 20:09:03.681 23977-24056/aw.com.wifi_connect_server W/System.err: at aw.com.wifi_connect_server.MainActivity$2.run(MainActivity.java:71)
原因：权限不够；
在AndroidManifest.xml中添加相应权限
<uses-permission android:name="android.permission.INTERNET" />
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