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Asked: 2026-05-21T09:50:05+00:00

im a newbie in android. I would like to ask if anybody knows why

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im a newbie in android. I would like to ask if anybody knows why i’m getting this “connection refused” IOException when i try to establish a TCP/IP connection between two android device. I tried to ping both device and they are responding. Anybody please…
Thanks in advance…

E/TCP_IP connect thread( 7466): java.net.ConnectException: /192.168.4.100:8080 - Connection refused
E/TCP_IP connect thread( 7466): at org.apache.harmony.luni.net.PlainSocketImpl.connect(PlainSocketImpl.java:254)
E/TCP_IP connect thread( 7466): at org.apache.harmony.luni.net.PlainSocketImpl.connect(PlainSocketImpl.java:219)
E/TCP_IP connect thread( 7466): at java.net.Socket.startupSocket(Socket.java:781)
E/TCP_IP connect thread( 7466): at java.net.Socket.<init>(Socket.java:316)
E/TCP_IP connect thread( 7466): at com.neugent.WIFI.TCP_IP$ConnectThread.run(TCP_IP.java:291)
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1 Answer

  1. Editorial Team

    If it’s the missing INTERNET permission, add this line to your Android.manifest file just above the <application> tag.

    <uses-permission android:name="android.permission.INTERNET/>

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