本文介绍了UknownHostException尝试发布一条消息给Facebook的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
的java.net.UnknownHostException:无法解析主机graph.facebook.com:没有与主机名关联的地址
在java.net.InetAddress.lookupHostByName(InetAddress.java:400)
在java.net.InetAddress.getAllByNameImpl(InetAddress.java:242)
在java.net.InetAddress.getAllByName(InetAddress.java:220)
在libcore.net.http.HttpConnection<&初始化GT;(HttpConnection.java:71)
在libcore.net.http.HttpConnection<&初始化GT;(HttpConnection.java:50)
在libcore.net.http.HttpConnection $ Address.connect(HttpConnection.java:351)
在libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:86)
在libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
在libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:308)
在libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.makeSslConnection(HttpsURLConnectionImpl.java:460)
在libcore.net.http.HttpsURLConnectionImpl $ HttpsEngine.connect(HttpsURLConnectionImpl.java:441)
在libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:282)
在libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:232)
在libcore.net.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:273)
在libcore.net.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:168)
在libcore.net.http.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:270)
在com.facebook.android.Util.openUrl(Util.java:215)
在com.facebook.android.Facebook.request(Facebook.java:751)
在com.facebook.android.Facebook.request(Facebook.java:688)
在com.nammari.FinalActivity $ 1.onClick(FinalActivity.java:62)
在android.view.View.performClick(View.java:3511)
在android.view.View $ PerformClick.run(View.java:14105)
在android.os.Handler.handleCallback(Handler.java:605)
在android.os.Handler.dispatchMessage(Handler.java:92)
在android.os.Looper.loop(Looper.java:137)
在android.app.ActivityThread.main(ActivityThread.java:4424)
在java.lang.reflect.Method.invokeNative(本机方法)
在java.lang.reflect.Method.invoke(Method.java:511)
在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:784)
在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
在dalvik.system.NativeStart.main(本机方法)
解决方案
在您的清单文件,添加此权限:
<使用许可权的android:NAME =android.permission.INTERNET对/>
java.net.UnknownHostException: Unable to resolve host "graph.facebook.com": No address associated with hostname
at java.net.InetAddress.lookupHostByName(InetAddress.java:400)
at java.net.InetAddress.getAllByNameImpl(InetAddress.java:242)
at java.net.InetAddress.getAllByName(InetAddress.java:220)
at libcore.net.http.HttpConnection.<init>(HttpConnection.java:71)
at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50)
at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:351)
at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:86)
at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:308)
at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.makeSslConnection(HttpsURLConnectionImpl.java:460)
at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.connect(HttpsURLConnectionImpl.java:441)
at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:282)
at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:232)
at libcore.net.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:273)
at libcore.net.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:168)
at libcore.net.http.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:270)
at com.facebook.android.Util.openUrl(Util.java:215)
at com.facebook.android.Facebook.request(Facebook.java:751)
at com.facebook.android.Facebook.request(Facebook.java:688)
at com.nammari.FinalActivity$1.onClick(FinalActivity.java:62)
at android.view.View.performClick(View.java:3511)
at android.view.View$PerformClick.run(View.java:14105)
at android.os.Handler.handleCallback(Handler.java:605)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
解决方案
In your manifest file, add this permission:
<uses-permission android:name="android.permission.INTERNET" />
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