SecurityException：权限被拒绝怎么办？
这个错误真的很奇怪，我不知道如何复制和修复它，因为我做了大量的搜索，但是没有什么有用的。
下面是堆栈跟踪：
Stack Trace
_________________________________
0 java.lang.RuntimeException: An error occured while executing doInBackground()
1 at android.os.AsyncTask$3.done(AsyncTask.java:299)
2 at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:273)
3 at java.util.concurrent.FutureTask.setException(FutureTask.java:124)
4 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:307)
5 at java.util.concurrent.FutureTask.run(FutureTask.java:137)
6 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
7 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
8 at java.lang.Thread.run(Thread.java:856)
9 Caused by: java.lang.SecurityException: Permission denied (missing INTERNET permission?)
10 at java.net.InetAddress.lookupHostByName(InetAddress.java:430)
11 at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
12 at java.net.InetAddress.getAllByName(InetAddress.java:214)
13 at libcore.net.http.HttpConnection.<init>(HttpConnection.java:70)
14 at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50)
15 at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:340)
16 at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:87)
17 at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
18 at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:316)
19 at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.makeSslConnection(HttpsURLConnectionImpl.java:461)
20 at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.connect(HttpsURLConnectionImpl.java:433)
21 at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:290)
22 at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:240)
23 at libcore.net.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:292)
24 at libcore.net.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:185)
25 at libcore.net.http.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:271)
26 at com.designfuture.music.api.MusixMatchApi.sendRequestJSON(MusixMatchApi.java:1143)
27 at com.designfuture.music.api.MusixMatchApi.handleRequestJSON(MusixMatchApi.java:982)
28 at com.designfuture.music.api.MusixMatchApi.getConfig(MusixMatchApi.java:211)
29 at com.designfuture.music.asynctask.GetConfigAsyncTask.doInBackground(GetConfigAsyncTask.java:28)
30 at com.designfuture.music.asynctask.GetConfigAsyncTask.doInBackground(GetConfigAsyncTask.java:1)
31 at android.os.AsyncTask$2.call(AsyncTask.java:287)
32 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
33 ... 4 more
34 Caused by: libcore.io.GaiException: getaddrinfo failed: EAI_NODATA (No address associated with hostname)
35 at libcore.io.Posix.getaddrinfo(Native Method)
36 at libcore.io.ForwardingOs.getaddrinfo(ForwardingOs.java:55)
37 at java.net.InetAddress.lookupHostByName(InetAddress.java:405)
38 ... 26 more
39 Caused by: libcore.io.ErrnoException: getaddrinfo failed: EACCES (Permission denied)
40 ... 29 more
41 java.lang.SecurityException: Permission denied (missing INTERNET permission?)
42 at java.net.InetAddress.lookupHostByName(InetAddress.java:430)
43 at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
44 at java.net.InetAddress.getAllByName(InetAddress.java:214)
45 at libcore.net.http.HttpConnection.<init>(HttpConnection.java:70)
46 at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50)
47 at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:340)
48 at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:87)
49 at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
50 at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:316)
51 at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.makeSslConnection(HttpsURLConnectionImpl.java:461)
52 at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.connect(HttpsURLConnectionImpl.java:433)
53 at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:290)
54 at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:240)
55 at libcore.net.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:292)
56 at libcore.net.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:185)
57 at libcore.net.http.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:271)
58 at com.designfuture.music.api.MusixMatchApi.sendRequestJSON(MusixMatchApi.java:1143)
59 at com.designfuture.music.api.MusixMatchApi.handleRequestJSON(MusixMatchApi.java:982)
60 at com.designfuture.music.api.MusixMatchApi.getConfig(MusixMatchApi.java:211)
61 at com.designfuture.music.asynctask.GetConfigAsyncTask.doInBackground(GetConfigAsyncTask.java:28)
62 at com.designfuture.music.asynctask.GetConfigAsyncTask.doInBackground(GetConfigAsyncTask.java:1)
63 at android.os.AsyncTask$2.call(AsyncTask.java:287)
64 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
65 at java.util.concurrent.FutureTask.run(FutureTask.java:137)
66 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
67 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
68 at java.lang.Thread.run(Thread.java:856)
69 Caused by: libcore.io.GaiException: getaddrinfo failed: EAI_NODATA (No address associated with hostname)
70 at libcore.io.Posix.getaddrinfo(Native Method)
71 at libcore.io.ForwardingOs.getaddrinfo(ForwardingOs.java:55)
72 at java.net.InetAddress.lookupHostByName(InetAddress.java:405)
73 ... 26 more
74 Caused by: libcore.io.ErrnoException: getaddrinfo failed: EACCES (Permission denied)
75 ... 29 more
76 libcore.io.GaiException: getaddrinfo failed: EAI_NODATA (No address associated with hostname)
77 at libcore.io.Posix.getaddrinfo(Native Method)
78 at libcore.io.ForwardingOs.getaddrinfo(ForwardingOs.java:55)
79 at java.net.InetAddress.lookupHostByName(InetAddress.java:405)
80 at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
81 at java.net.InetAddress.getAllByName(InetAddress.java:214)
82 at libcore.net.http.HttpConnection.<init>(HttpConnection.java:70)
83 at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50)
84 at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:340)
85 at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:87)
86 at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
87 at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:316)
88 at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.makeSslConnection(HttpsURLConnectionImpl.java:461)
89 at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.connect(HttpsURLConnectionImpl.java:433)
90 at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:290)
91 at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:240)
92 at libcore.net.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:292)
93 at libcore.net.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:185)
94 at libcore.net.http.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:271)
95 at com.designfuture.music.api.MusixMatchApi.sendRequestJSON(MusixMatchApi.java:1143)
96 at com.designfuture.music.api.MusixMatchApi.handleRequestJSON(MusixMatchApi.java:982)
97 at com.designfuture.music.api.MusixMatchApi.getConfig(MusixMatchApi.java:211)
98 at com.designfuture.music.asynctask.GetConfigAsyncTask.doInBackground(GetConfigAsyncTask.java:28)
99 at com.designfuture.music.asynctask.GetConfigAsyncTask.doInBackground(GetConfigAsyncTask.java:1)
100 at android.os.AsyncTask$2.call(AsyncTask.java:287)
101 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
102 at java.util.concurrent.FutureTask.run(FutureTask.java:137)
103 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
104 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
105 at java.lang.Thread.run(Thread.java:856)
106 Caused by: libcore.io.ErrnoException: getaddrinfo failed: EACCES (Permission denied)
107 ... 29 more
108 libcore.io.ErrnoException: getaddrinfo failed: EACCES (Permission denied)
109 at libcore.io.Posix.getaddrinfo(Native Method)
110 at libcore.io.ForwardingOs.getaddrinfo(ForwardingOs.java:55)
111 at java.net.InetAddress.lookupHostByName(InetAddress.java:405)
112 at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
113 at java.net.InetAddress.getAllByName(InetAddress.java:214)
114 at libcore.net.http.HttpConnection.<init>(HttpConnection.java:70)
115 at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50)
116 at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:340)
117 at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:87)
118 at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
119 at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:316)
120 at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.makeSslConnection(HttpsURLConnectionImpl.java:461)
121 at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.connect(HttpsURLConnectionImpl.java:433)
122 at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:290)
123 at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:240)
124 at libcore.net.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:292)
125 at libcore.net.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:185)
126 at libcore.net.http.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:271)
127 at com.designfuture.music.api.MusixMatchApi.sendRequestJSON(MusixMatchApi.java:1143)
128 at com.designfuture.music.api.MusixMatchApi.handleRequestJSON(MusixMatchApi.java:982)
129 at com.designfuture.music.api.MusixMatchApi.getConfig(MusixMatchApi.java:211)
130 at com.designfuture.music.asynctask.GetConfigAsyncTask.doInBackground(GetConfigAsyncTask.java:28)
131 at com.designfuture.music.asynctask.GetConfigAsyncTask.doInBackground(GetConfigAsyncTask.java:1)
132 at android.os.AsyncTask$2.call(AsyncTask.java:287)
133 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
134 at java.util.concurrent.FutureTask.run(FutureTask.java:137)
135 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
136 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
137 at java.lang.Thread.run(Thread.java:856)
这是我的AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="my_app_package"
android:installLocation="auto"
android:versionCode="my_version_code"
android:versionName="my_version_name" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="16" />
<supports-screens
android:anyDensity="true"
android:largeScreens="true"
android:normalScreens="true"
android:resizeable="true"
android:smallScreens="true"
android:xlargeScreens="true" />
<uses-feature android:glEsVersion="0x00010001" />
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowTaskReparenting="true"
android:debuggable="true"
android:icon="@drawable/mxm_icon"
android:label="@string/musicbrowserlabel"
android:theme="@style/Theme.Music" >
<!-- MY ACTIVITIES -->
</application>
</manifest>
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你得到SecurityException: Permission denied (missing INTERNET permission?)，明确表示不允许你进行联网。这是一个不争的事实。但这怎么可能发生呢？通常是因为在你的AndroidManifest.xml文件中缺少 ，或者，由于互联网许可是在安装时授予的，而不是在运行时，由于长期存在，Android框架中漏掉了导致应用程序成功安装的错误，但没有预期的权限授予。
我的Manifest是正确的，那么这怎么会发生呢？
理论上uses-permission在Manifest中，完美地满足了需求，从开发人员的角度来看，能够进行联网所需做的就是全部。此外，由于在安装过程中向用户显示了权限，因此你的应用程序在用户设备上安装的事实意味着授予你所要求的权限(否则安装将被取消)，因此假设如果你的代码被执行，那么所有请求的权限都被授予是有效的。一旦获得批准，用户除了完全卸载应用程序之外，还不能取消许可，因为标准的Android框架(来自AOSP)目前没有这样的功能。
你可以考虑使用setDefaultUncoghtExceptionHandler()为了在将来捕捉到这样的意外异常，只需向用户显示你的应用程序需要什么样的权限，而不是仅仅是崩溃。
注记
请注意android.permission.INTERNET并不是在清单中声明的唯一与网络相关的权限。有INTERNET授予的权限只允许应用程序打开网络套接字(这基本上是进行任何网络数据传输的基本要求)。但是，如果你的网络堆栈/库也想获得有关网络的信息，那么你也需要android.permission.ACCESS_NETWORK_STATE在你的报表中。
增编(2015-07-16)
请注意，android 6(又名marshmlow)引入了全新的权限管理机制，名为运行时权限。它允许用户更多地控制所授予的权限(还允许有选择的授予)，或者让用户撤销已经授予的权限，以便删除应用程序。
然而，这些变化并不影响互联网或接入网络状态权限，这些权限被认为是“正常”权限。用户不需要显式授予这些权限。
2020-04-23 19:20:24赞同 展开评论 打赏
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