Throwing exception although right IP used

问题

package com.example.androidapp; 

import java.net.InetSocketAddress;
import java.util.Collection;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.widget.TextView;

import com.nxp.jip.JIPImpl;
import com.nxp.jip.PacketHandlerIPv6;
import com.nxp.jip.exception.JipException;
import com.nxp.jip.service.JenNetIPNetwork;
import com.nxp.jip.service.Node;
import com.nxp.jip.service.Service;

public class Application extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_application);
TextView display= (TextView) findViewById(R.id.textView2);
PacketHandlerIPv6 my_packet = new PacketHandlerIPv6();
JIPImpl my_jip = new JIPImpl(my_packet);
Service service =new Service(my_jip); 
try{
    JenNetIPNetwork network = service.createNetwork(new          InetSocketAddress("fd04:bd3:80e8:2:215:8d00:32:54ff", 1873));
    display.setText("Connected :)");
}
catch(JipException e){
    display.setText("Not connected :(");
}

}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.application, menu);
return true;
}

}

Although I am entering the right router IP it keeps throwing exception as if I am entering a wrong IP and the message "not connected" pops out And I am not connecting the router to the internet

The stack trace is:

com.nxp.jip.exception.JipException: Timeout
at com.nxp.jip.CommandHandler.execute(CommandHandler.java:125)
at com.nxp.jip.JIPImpl.get(JIPImpl.java:129)
at com.nxp.jip.service.Service.createNetwork(Service.java:272)
at com.example.androidapp.Application.onCreate(Application.java:32)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
at android.app.ActivityThread.access$1500(ActivityThread.java:117)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:130)
at android.app.ActivityThread.main(ActivityThread.java:3683)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:507)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:880)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:638)
at dalvik.system.NativeStart.main(Native Method)

回答1:

Print the stack trace from the exception you're passed. Are you sure the exception does not stem from the resolution of the InetSocketAddress? Try it again with various other hostnames, like "localhost" and perhaps an IPv4 equivalent address.

回答2:

Have you tried adding Internet Permission in the manifest file, if not add

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

来源：https://stackoverflow.com/questions/20512296/throwing-exception-although-right-ip-used

标签

java

android

exception