4
在我的应用程序中下载加载数据。每一件事情都很好，但有一些事情给出了很奇怪的反应，并抛出了socketException：connectiontimout？Android：java.net.SocketException的原因是什么：连接超时？
请任何人告诉我这些异常的原因是什么？所以我可以找出问题？
给我一些解决方案，以避免这些类型的异常
这里记录的那张............
**
04-19 15:44:52.591: WARN/System.err(18199): java.net.SocketException: Connection timed out
04-19 15:44:52.591: WARN/Smack/Packet(209): notify conn break (IOEx), close connection
04-19 15:44:52.591: DEBUG/Smack(209): [XMPPConn] close connection, notifyClosed=false
04-19 15:44:52.591: WARN/System.err(18199): at org.apache.harmony.luni.platform.OSNetworkSystem.read(Native Method)
04-19 15:44:52.591: WARN/System.err(18199): at dalvik.system.BlockGuard$WrappedNetworkSystem.read(BlockGuard.java:273)
04-19 15:44:52.591: WARN/System.err(18199): at org.apache.harmony.luni.net.PlainSocketImpl.read(PlainSocketImpl.java:458)
04-19 15:44:52.591: WARN/System.err(18199): at org.apache.harmony.luni.net.SocketInputStream.read(SocketInputStream.java:85)
04-19 15:44:52.591: WARN/System.err(18199): at java.io.BufferedInputStream.read(BufferedInputStream.java:319)
04-19 15:44:52.591: WARN/System.err(18199): at org.apache.harmony.luni.internal.net.www.protocol.http.FixedLengthInputStream.read(FixedLengthInputStream.java:44)
04-19 15:44:52.591: WARN/System.err(18199): at java.io.BufferedInputStream.read(BufferedInputStream.java:319)
04-19 15:44:52.591: WARN/System.err(18199): at java.io.FilterInputStream.read(FilterInputStream.java:133)
04-19 15:44:52.591: WARN/System.err(18199): at com.logictreeit.pilot.utils.Download.Download1(Download.java:245)
04-19 15:44:52.591: WARN/System.err(18199): at com.logictreeit.pilot.utils.Download.access$4(Download.java:225)
04-19 15:44:52.591: WARN/System.err(18199): at com.logictreeit.pilot.utils.Download$DownloadTask.doInBackground(Download.java:171)
04-19 15:44:52.591: WARN/System.err(18199): at com.logictreeit.pilot.utils.Download$DownloadTask.doInBackground(Download.java:1)
04-19 15:44:52.591: WARN/System.err(18199): at android.os.AsyncTask$2.call(AsyncTask.java:185)
04-19 15:44:52.591: WARN/System.err(18199): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306)
04-19 15:44:52.591: WARN/System.err(18199): at java.util.concurrent.FutureTask.run(FutureTask.java:138)
04-19 15:44:52.591: WARN/System.err(18199): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
04-19 15:44:52.591: WARN/System.err(18199): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
04-19 15:44:52.591: WARN/System.err(18199): at java.lang.Thread.run(Thread.java:1019)
**
Regards， Srinivas