错误消息“java.net.SocketException：套接字失败：EACCES（权限被拒绝）”
我收到错误消息
java.net.SocketException：套接字失败：EACCES（权限被拒绝）
当我尝试应用下面的代码。 这是我打电话给我的例外。
public void run() { // TODO Auto-generated method stub URL myurl = null; try { myurl = new URL("http://10.0.2.2/list.JSON"); } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } try { URLConnection myconn = myurl.openConnection(); InputStream in = new BufferedInputStream(myconn.getInputStream()); InputStreamReader reader = new InputStreamReader(in); BufferedReader br = new BufferedReader(reader); String line; StringBuilder sb = new StringBuilder(); while ((line=br.readLine()) != null) { sb.append(line); //Toast.makeText(getApplicationContext(), "I enter here", Toast.LENGTH_LONG).show(); } jsoncode = sb.toString(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } threading = true; super.run(); } LogCat ：
06-30 11:33:21.457: W/System.err(619): java.net.SocketException: socket failed: EACCES (Permission denied) 06-30 11:33:21.467: W/System.err(619): at libcore.io.IoBridge.socket(IoBridge.java:573) 06-30 11:33:21.467: W/System.err(619): at java.net.PlainSocketImpl.create(PlainSocketImpl.java:201) 06-30 11:33:21.479: W/System.err(619): at java.net.Socket.checkOpenAndCreate(Socket.java:663) 06-30 11:33:21.479: W/System.err(619): at java.net.Socket.connect(Socket.java:807) 06-30 11:33:21.479: W/System.err(619): at libcore.net.http.HttpConnection.<init>(HttpConnection.java:77) 06-30 11:33:21.479: W/System.err(619): at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50) 06-30 11:33:21.479: W/System.err(619): at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:351) 06-30 11:33:21.479: W/System.err(619): at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:86) 06-30 11:33:21.479: W/System.err(619): at libcore.net.http.HttpConnection.connect(HttpConnection.java:128) 06-30 11:33:21.487: W/System.err(619): at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:308) 06-30 11:33:21.487: W/System.err(619): at libcore.net.http.HttpEngine.connect(HttpEngine.java:303) 06-30 11:33:21.497: W/System.err(619): at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:282) 06-30 11:33:21.497: W/System.err(619): at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:232) 06-30 11:33:21.497: W/System.err(619): at libcore.net.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:273) 06-30 11:33:21.497: W/System.err(619): at libcore.net.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:168) 06-30 11:33:21.497: W/System.err(619): at com.apk.PItestActivity$connection.run(PItestActivity.java:190) 06-30 11:33:21.507: W/System.err(619): Caused by: libcore.io.ErrnoException: socket failed: EACCES (Permission denied) 06-30 11:33:21.517: W/System.err(619): at libcore.io.Posix.socket(Native Method) 06-30 11:33:21.517: W/System.err(619): at libcore.io.BlockGuardOs.socket(BlockGuardOs.java:169) 06-30 11:33:21.527: W/System.err(619): at libcore.io.IoBridge.socket(IoBridge.java:558) 06-30 11:33:21.527: W/System.err(619): ... 15 more
这是我的清单文件：
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.apk" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="14" /> <permission android:name="android.permission.INTERNET"></permission> <application android:icon="@drawable/ic_launcher" android:label="@string/app_name" > <activity android:name=".PItestActivity" android:label="@string/app_name" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name="addfriend"></activity> <activity android:name="updateDetails"></activity> <activity android:name="Details"></activity> <activity android:name="updateimage"></activity> </application> </manifest>
我该如何解决这个问题？
尝试一下，
<uses-permission android:name="android.permission.INTERNET"/>
代替，
<permission android:name="android.permission.INTERNET"></permission>
尝试这个：
<uses-permission android:name="android.permission.INTERNET"/>
而你的activity names必须用capital letters
<activity android:name=".Addfriend"/> <activity android:name=".UpdateDetails"/> <activity android:name=".Details"/> <activity android:name=".Updateimage"/>
尝试在<application>标签之外移动<uses-permission> 。
尝试一下。
<uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
将这些源代码添加到您的Java文件中，如下所示：
StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder().detectDiskReads().detectDiskWrites().detectNetwork().penaltyLog().build());
