I can see a problem similar to this when I use the browser to connect to my company's web portal. I had a patch for Android 1.x which fixed this, but it doesn't work on Android 2.x. I'd really like to find a fix so I can access my web mail again.
-Howard On Mar 3, 12:10 pm, SN <[email protected]> wrote: > I can't find a way to attach a test project, so I just post the test > file in here: > package com.example.helloandroid; > > import java.io.IOException; > import java.io.InputStream; > import java.net.HttpURLConnection; > import java.net.MalformedURLException; > import java.net.URL; > import java.util.zip.GZIPInputStream; > import android.util.Log; > > public class Tester { > > private final static String TAG = "GZIP"; > > public void testChunkedGZip(){ > InputStream is = null; > try { > byte[] buf = new byte[512]; > int read = -1; > int readSize = 0; > > // Just pick a site, as long as it supported > accept-encoding=gzip > // and the response is large enough to have Transfer- > Encoding=chunked. > HttpURLConnection conn = (HttpURLConnection) new > URL("http:// > vnexpress.net/GL/Home/").openConnection(); > conn.setRequestProperty("Accept-Encoding", "gzip"); > conn.setRequestProperty("Connection", "Keep-Alive"); > int response = conn.getResponseCode(); > Log.d(TAG, "======================"); > Log.d(TAG,"HTTP Response: " + response); > > Log.d(TAG,"header"); > for (String headerName : > conn.getHeaderFields().keySet()) { > for (String headerValue : > conn.getHeaderFields().get(headerName)) > { > Log.d(TAG,headerName + ":" + > headerValue); > } > } > > Log.d(TAG,"body"); > is = conn.getInputStream(); > > if (conn.getHeaderField("Content-encoding") != null && > conn.getHeaderField("Content- > encoding").trim().toLowerCase().equals("gzip")){ > is = new GZIPInputStream(is); > } > > while ((read = is.read(buf)) != -1 ) { > readSize += read; > } > Log.d(TAG,"bytes read:" + readSize); > > } catch (MalformedURLException e) { > e.printStackTrace(); > } catch (IOException e) { > e.printStackTrace(); > } finally { > try{ > if (is != null) is.close(); > } catch(Exception e){} > } > } > > } > > ////////////////////// > Testing Activity > package com.example.helloandroid; > > import android.app.Activity; > import android.os.Bundle; > import android.util.Log; > import android.view.View; > import android.widget.Button; > > public class HelloAndroid extends Activity { > > private Button button; > private final static String TAG = "GZIP"; > > Runnable urlReaderRunnable = new Runnable(){ > > public void run() { > Tester tester = new Tester(); > try { > tester.testChunkedGZip(); > } catch (Exception e) { > Log.d(TAG, "Exception", e); > } > } > }; > > @Override > public void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > this.setContentView(R.layout.main); > this.button = (Button) this.findViewById(R.id.TestButton); > > this.button.setOnClickListener(new View.OnClickListener() { > > public void onClick(View v) { > // 2nd click always return -1 > // this is only happens when Connection = > Keep-Alive, Content- > Encoding=Gzip, Transfer-Encoding=Chunked > // the error comes from InflaterInputStream > (line 190-192) doesn't > clean up > // the last chunk (ending chunk) correctly. > The last chunk is (0x) > 30 0d 0a. > > // This is tested with Android 1.6 and 2.1 > with the same result. > Log.d(TAG, "Button is clicked"); > new Thread(urlReaderRunnable).start(); > } > }); > } > > } > > On Mar 3, 6:05 am, SN <[email protected]> wrote: > > > > > Hi, > > > I found a problem with GZIP input stream when wrapping InputStream > > from HttpURLConnection. When the server response with Transfer- > > Encoding=chunked, Content-Encoding=gzip and Connection=Keep-Alive. The > > second post always return -1. > > > After digging into the source code, I found the place that could be a > > bug: > > InflaterInputStream.java (line 190 to 192) > > if (inf.needsInput()) { > > fill(); > > } > > > Because InflaterInputStream doesn't need more input, it doesn't try to > > read the end of chunked encoding (0x)(30 0a 0d) that cause the second > > post to return with -1 every time. Does anybody have the same issue? > > > Thanks, -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
