private String urlPost = "http://192.168.1.66:8080/DataCollectionServlet/";
@Override
protected void doWakefulWork(Intent intent) {
// https://stackoverflow.com/q/14630255/281545
HttpURLConnection connection = null;
try {
connection = connection();
w("connection"); // allrigt
final OutputStream connOutStream = connection.getOutputStream();
w("GEToUTPUTsTREAM"); // I never see this
} catch (IOException e) {
e.printStackTrace(); // No route to host
} finally {
if (connection != null) connection.disconnect();
}
}
private HttpURLConnection connection() throws MalformedURLException,
IOException {
HttpURLConnection connection = (HttpURLConnection) new URL(urlPost)
.openConnection();
// connection.setDoInput(true);
connection.setDoOutput(true); // triggers POST
// connection.setUseCaches(false); // needed ?
// TODO : http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
// connection.setRequestProperty("Connection", "Keep-Alive");
// connection.setRequestProperty("User-Agent",
// "Android Multipart HTTP Client 1.1"); // needed ?
return connection;
}
服务器在192.168.1.66:8080/DataCollectionServlet/已启动并正在运行。我的设备IP https://stackoverflow.com/a/13007325/281545 is 192.168.1.65。我禁用了窗口和路由器的防火墙，但无济于事。
编辑-堆栈跟踪：
java.net.SocketException: No route to host
at org.apache.harmony.luni.platform.OSNetworkSystem.connect(Native Method)
at dalvik.system.BlockGuard$WrappedNetworkSystem.connect(BlockGuard.java:357)
at org.apache.harmony.luni.net.PlainSocketImpl.connect(PlainSocketImpl.java:204)
at org.apache.harmony.luni.net.PlainSocketImpl.connect(PlainSocketImpl.java:437)
at java.net.Socket.connect(Socket.java:983)
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection.<init>(HttpConnection.java:75)
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection.<init>(HttpConnection.java:48)
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection$Address.connect(HttpConnection.java:322)
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnectionPool.get(HttpConnectionPool.java:89)
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.getHttpConnection(HttpURLConnectionImpl.java:285)
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.makeConnection(HttpURLConnectionImpl.java:267)
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:205)
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.getOutputStream(HttpURLConnectionImpl.java:614)
at gr.uoa.di.monitoring.android.services.NetworkService.doWakefulWork(NetworkService.java:51)
at com.commonsware.cwac.wakeful.WakefulIntentService.onHandleIntent(WakefulIntentService.java:94)
at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:59)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:130)
at android.os.HandlerThread.run(HandlerThread.java:60)
评论：同样，手机和电脑都无线连接到同一个路由器（相同的 SSID）
Android 2.3.7 Eclair、HTC Nexus 1 - 这可能是一个错误吗？
编辑2013.11.13：仍然对解释感兴趣我的答案 https://stackoverflow.com/a/18813643/281545
好吧——禁用（WPA-PSK）我连接的路由器上的加密正常。我会接受（程序化的）解决方法作为答案
编辑：在 Android 设备的浏览器中输入 URL，我确实看到了doGet()页。我重新启用了所有防火墙 - 唯一有所不同的是打开和关闭加密
本文内容由网友自发贡献，版权归原作者所有，本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容，请联系:hwhale#tublm.com(使用前将#替换为@)
