【发布时间】：2014-08-25 13:54:31
【问题描述】：
我已经构建了这段代码来从 URL 获取 XML 我使用了 AsyncTask，当到达 getInputStream() 点时，应用仍然崩溃
关键是我想从 url 中获取 XML 作为字符串。
我尝试不使用 AsyncTask 但应用仍然崩溃
我尝试将 GetXML() 函数放在 AsyncTask 之外并从 AsyncTask 中调用，但仍然崩溃。
我尝试将 GetXML() 函数放在 AsyncTask 中并从 AsyncTask 中调用，但仍然崩溃。
有人知道是什么原因以及如何解决吗？谢谢
package com.asmgx.test15.app;
import android.os.AsyncTask;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
public class MainActivity extends ActionBarActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
AsyncTaskRunner runner = new AsyncTaskRunner();
runner.execute();
}
private class AsyncTaskRunner extends AsyncTask<String, String, String> {
private String resp;
private void GetXML() {
try {
URL url = new URL("http://api.androidhive.info/pizza/?format=xml");
URLConnection conn = url.openConnection();
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
InputStream is = conn.getInputStream(); // CRASH HERE
Document doc = builder.parse(is);
}
catch (MalformedURLException e) {
}
catch (IOException e) {
}
catch (ParserConfigurationException e) {
}
catch (SAXException e) {
}
}
@Override
protected String doInBackground(String... params) {
publishProgress("Sleeping..."); // Calls onProgressUpdate()
// Do your long operations here and return the result
//int time = Integer.parseInt(params[0]);
// Sleeping for given time period
GetXML();
resp = "Slept for 25562 milliseconds";
return resp;
}
/*
* (non-Javadoc)
*
* @see android.os.AsyncTask#onPostExecute(java.lang.Object)
*/
@Override
protected void onPostExecute(String result) {
// execution of result of Long time consuming operation
//finalResult.setText(result);
}
/*
* (non-Javadoc)
*
* @see android.os.AsyncTask#onPreExecute()
*/
@Override
protected void onPreExecute() {
// Things to be done before execution of long running operation. For
// example showing ProgessDialog
}
/*
* (non-Javadoc)
*
* @see android.os.AsyncTask#onProgressUpdate(Progress[])
*/
@Override
protected void onProgressUpdate(String... text) {
//finalResult.setText(text[0]);
// Things to be done while execution of long running operation is in
// progress. For example updating ProgessDialog
}
}
}
这是逻辑错误
07-04 04:49:53.433 1850-1863/com.asmgx.test15.app E/AndroidRuntime﹕ FATAL EXCEPTION: AsyncTask #1
Process: com.asmgx.test15.app, PID: 1850
java.lang.RuntimeException: An error occured while executing doInBackground()
at android.os.AsyncTask$3.done(AsyncTask.java:300)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)
at java.util.concurrent.FutureTask.setException(FutureTask.java:222)
at java.util.concurrent.FutureTask.run(FutureTask.java:242)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
Caused by: java.lang.SecurityException: Permission denied (missing INTERNET permission?)
at java.net.InetAddress.lookupHostByName(InetAddress.java:418)
at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
at java.net.InetAddress.getAllByName(InetAddress.java:214)
at com.android.okhttp.internal.Dns$1.getAllByName(Dns.java:28)
at com.android.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:216)
at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:122)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:292)
at com.android.okhttp.internal.http.HttpEngine.sendSocketRequest(HttpEngine.java:255)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:206)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:345)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:296)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:179)
at com.asmgx.test15.app.MainActivity.GetXML(MainActivity.java:44)
at com.asmgx.test15.app.MainActivity.access$100(MainActivity.java:25)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:68)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:57)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
Caused by: libcore.io.GaiException: getaddrinfo failed: EAI_NODATA (No address associated with hostname)
at libcore.io.Posix.getaddrinfo(Native Method)
at libcore.io.ForwardingOs.getaddrinfo(ForwardingOs.java:61)
at java.net.InetAddress.lookupHostByName(InetAddress.java:405)
at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
at java.net.InetAddress.getAllByName(InetAddress.java:214)
at com.android.okhttp.internal.Dns$1.getAllByName(Dns.java:28)
at com.android.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:216)
at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:122)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:292)
at com.android.okhttp.internal.http.HttpEngine.sendSocketRequest(HttpEngine.java:255)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:206)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:345)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:296)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:179)
at com.asmgx.test15.app.MainActivity.GetXML(MainActivity.java:44)
at com.asmgx.test15.app.MainActivity.access$100(MainActivity.java:25)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:68)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:57)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
Caused by: libcore.io.ErrnoException: getaddrinfo failed: EACCES (Permission denied)
at libcore.io.Posix.getaddrinfo(Native Method)
at libcore.io.ForwardingOs.getaddrinfo(ForwardingOs.java:61)
at java.net.InetAddress.lookupHostByName(InetAddress.java:405)
at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
at java.net.InetAddress.getAllByName(InetAddress.java:214)
at com.android.okhttp.internal.Dns$1.getAllByName(Dns.java:28)
at com.android.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:216)
at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:122)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:292)
at com.android.okhttp.internal.http.HttpEngine.sendSocketRequest(HttpEngine.java:255)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:206)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:345)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:296)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:179)
at com.asmgx.test15.app.MainActivity.GetXML(MainActivity.java:44)
at com.asmgx.test15.app.MainActivity.access$100(MainActivity.java:25)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:68)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:57)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
07-04 04:49:56.643 1850-1863/com.asmgx.test15.app I/Process﹕ Sending signal. PID: 1850 SIG: 9
07-04 04:50:31.313 1899-1899/com.asmgx.test15.app W/ActivityThread﹕ Application com.asmgx.test15.app is waiting for the debugger on port 8100...
07-04 04:50:31.363 1899-1899/com.asmgx.test15.app I/System.out﹕ Sending WAIT chunk
07-04 04:50:31.393 1899-1905/com.asmgx.test15.app I/dalvikvm﹕ Debugger is active
07-04 04:50:31.583 1899-1899/com.asmgx.test15.app I/System.out﹕ Debugger has connected
07-04 04:50:31.583 1899-1899/com.asmgx.test15.app I/System.out﹕ waiting for debugger to settle...
07-04 04:50:31.793 1899-1899/com.asmgx.test15.app I/System.out﹕ waiting for debugger to settle...
07-04 04:50:32.073 1899-1899/com.asmgx.test15.app I/System.out﹕ waiting for debugger to settle...
07-04 04:50:32.273 1899-1899/com.asmgx.test15.app I/System.out﹕ waiting for debugger to settle...
07-04 04:50:32.473 1899-1899/com.asmgx.test15.app I/System.out﹕ waiting for debugger to settle...
07-04 04:50:32.673 1899-1899/com.asmgx.test15.app I/System.out﹕ waiting for debugger to settle...
07-04 04:50:32.883 1899-1899/com.asmgx.test15.app I/System.out﹕ waiting for debugger to settle...
07-04 04:50:33.083 1899-1899/com.asmgx.test15.app I/System.out﹕ waiting for debugger to settle...
07-04 04:50:33.283 1899-1899/com.asmgx.test15.app I/System.out﹕ waiting for debugger to settle...
07-04 04:50:33.483 1899-1899/com.asmgx.test15.app I/System.out﹕ waiting for debugger to settle...
07-04 04:50:33.683 1899-1899/com.asmgx.test15.app I/System.out﹕ debugger has settled (1365)
07-04 04:50:46.343 1899-1899/com.asmgx.test15.app D/gralloc_goldfish﹕ Emulator without GPU emulation detected.
07-04 04:50:54.343 1899-1914/com.asmgx.test15.app D/dalvikvm﹕ GC_FOR_ALLOC freed 215K, 9% free 3170K/3452K, paused 46ms, total 46ms
07-04 04:50:57.773 1899-1914/com.asmgx.test15.app W/dalvikvm﹕ threadid=11: thread exiting with uncaught exception (group=0xb1ab6ba8)
07-04 04:51:04.553 1899-1914/com.asmgx.test15.app E/AndroidRuntime﹕ FATAL EXCEPTION: AsyncTask #1
Process: com.asmgx.test15.app, PID: 1899
java.lang.RuntimeException: An error occured while executing doInBackground()
at android.os.AsyncTask$3.done(AsyncTask.java:300)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)
at java.util.concurrent.FutureTask.setException(FutureTask.java:222)
at java.util.concurrent.FutureTask.run(FutureTask.java:242)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
Caused by: java.lang.SecurityException: Permission denied (missing INTERNET permission?)
at java.net.InetAddress.lookupHostByName(InetAddress.java:418)
at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
at java.net.InetAddress.getAllByName(InetAddress.java:214)
at com.android.okhttp.internal.Dns$1.getAllByName(Dns.java:28)
at com.android.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:216)
at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:122)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:292)
at com.android.okhttp.internal.http.HttpEngine.sendSocketRequest(HttpEngine.java:255)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:206)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:345)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:296)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:179)
at com.asmgx.test15.app.MainActivity.GetXML(MainActivity.java:44)
at com.asmgx.test15.app.MainActivity.access$100(MainActivity.java:25)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:68)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:57)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
Caused by: libcore.io.GaiException: getaddrinfo failed: EAI_NODATA (No address associated with hostname)
at libcore.io.Posix.getaddrinfo(Native Method)
at libcore.io.ForwardingOs.getaddrinfo(ForwardingOs.java:61)
at java.net.InetAddress.lookupHostByName(InetAddress.java:405)
at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
at java.net.InetAddress.getAllByName(InetAddress.java:214)
at com.android.okhttp.internal.Dns$1.getAllByName(Dns.java:28)
at com.android.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:216)
at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:122)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:292)
at com.android.okhttp.internal.http.HttpEngine.sendSocketRequest(HttpEngine.java:255)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:206)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:345)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:296)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:179)
at com.asmgx.test15.app.MainActivity.GetXML(MainActivity.java:44)
at com.asmgx.test15.app.MainActivity.access$100(MainActivity.java:25)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:68)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:57)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
Caused by: libcore.io.ErrnoException: getaddrinfo failed: EACCES (Permission denied)
at libcore.io.Posix.getaddrinfo(Native Method)
at libcore.io.ForwardingOs.getaddrinfo(ForwardingOs.java:61)
at java.net.InetAddress.lookupHostByName(InetAddress.java:405)
at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
at java.net.InetAddress.getAllByName(InetAddress.java:214)
at com.android.okhttp.internal.Dns$1.getAllByName(Dns.java:28)
at com.android.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:216)
at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:122)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:292)
at com.android.okhttp.internal.http.HttpEngine.sendSocketRequest(HttpEngine.java:255)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:206)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:345)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:296)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:179)
at com.asmgx.test15.app.MainActivity.GetXML(MainActivity.java:44)
at com.asmgx.test15.app.MainActivity.access$100(MainActivity.java:25)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:68)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:57)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
07-04 05:15:28.973 2141-2141/com.asmgx.test15.app D/dalvikvm﹕ Not late-enabling CheckJNI (already on)
07-04 05:15:31.803 2141-2141/com.asmgx.test15.app D/gralloc_goldfish﹕ Emulator without GPU emulation detected.
07-04 05:15:33.073 2141-2154/com.asmgx.test15.app W/dalvikvm﹕ threadid=11: thread exiting with uncaught exception (group=0xb1ab6ba8)
07-04 05:15:33.133 2141-2154/com.asmgx.test15.app D/dalvikvm﹕ GC_FOR_ALLOC freed 202K, 8% free 3183K/3452K, paused 43ms, total 43ms
07-04 05:15:33.173 2141-2154/com.asmgx.test15.app E/AndroidRuntime﹕ FATAL EXCEPTION: AsyncTask #1
Process: com.asmgx.test15.app, PID: 2141
java.lang.RuntimeException: An error occured while executing doInBackground()
at android.os.AsyncTask$3.done(AsyncTask.java:300)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)
at java.util.concurrent.FutureTask.setException(FutureTask.java:222)
at java.util.concurrent.FutureTask.run(FutureTask.java:242)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
Caused by: java.lang.SecurityException: Permission denied (missing INTERNET permission?)
at java.net.InetAddress.lookupHostByName(InetAddress.java:418)
at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
at java.net.InetAddress.getAllByName(InetAddress.java:214)
at com.android.okhttp.internal.Dns$1.getAllByName(Dns.java:28)
at com.android.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:216)
at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:122)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:292)
at com.android.okhttp.internal.http.HttpEngine.sendSocketRequest(HttpEngine.java:255)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:206)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:345)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:296)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:179)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.GetXML(MainActivity.java:51)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:72)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:40)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
Caused by: libcore.io.GaiException: getaddrinfo failed: EAI_NODATA (No address associated with hostname)
at libcore.io.Posix.getaddrinfo(Native Method)
at libcore.io.ForwardingOs.getaddrinfo(ForwardingOs.java:61)
at java.net.InetAddress.lookupHostByName(InetAddress.java:405)
at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
at java.net.InetAddress.getAllByName(InetAddress.java:214)
at com.android.okhttp.internal.Dns$1.getAllByName(Dns.java:28)
at com.android.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:216)
at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:122)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:292)
at com.android.okhttp.internal.http.HttpEngine.sendSocketRequest(HttpEngine.java:255)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:206)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:345)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:296)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:179)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.GetXML(MainActivity.java:51)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:72)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:40)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
Caused by: libcore.io.ErrnoException: getaddrinfo failed: EACCES (Permission denied)
at libcore.io.Posix.getaddrinfo(Native Method)
at libcore.io.ForwardingOs.getaddrinfo(ForwardingOs.java:61)
at java.net.InetAddress.lookupHostByName(InetAddress.java:405)
at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
at java.net.InetAddress.getAllByName(InetAddress.java:214)
at com.android.okhttp.internal.Dns$1.getAllByName(Dns.java:28)
at com.android.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:216)
at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:122)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:292)
at com.android.okhttp.internal.http.HttpEngine.sendSocketRequest(HttpEngine.java:255)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:206)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:345)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:296)
at com.android.okhttp.internal.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:179)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.GetXML(MainActivity.java:51)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:72)
at com.asmgx.test15.app.MainActivity$AsyncTaskRunner.doInBackground(MainActivity.java:40)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
【问题讨论】：
-
请把你的 Crshalog 放好？
-
请发布 logcat 错误。
-
你给
Internet权限了吗？ -
我已经发布了逻辑错误
-
该网址对任何人开放。如果您尝试通过浏览器访问它，您将看到 thr XML
标签： android xml web-services url crash