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From "John B. Hansen (JIRA)" <j...@apache.org>
Subject [jira] Created: (HTTPCORE-241) "Socket Exception: Bad file number" when passing chunked entity back to response
Date Wed, 17 Nov 2010 22:27:20 GMT
"Socket Exception: Bad file number" when passing chunked entity back to response
--------------------------------------------------------------------------------

                 Key: HTTPCORE-241
                 URL: https://issues.apache.org/jira/browse/HTTPCORE-241
             Project: HttpComponents HttpCore
          Issue Type: Bug
          Components: HttpCore
         Environment: Android Froyo 2.2 (FRF50)
Running as Root on a Nexus One
I think Android Froyo is running HttpCore 4.0 but not sure. I tried to dump VersionInfo on
several packages but didn't get any info returned.
            Reporter: John B. Hansen


I'm a new user with HttpCore and didn't know where else to turn for support.. And, this problem
may be my fault...
Just looking for some suggestions...

I'm doing a ProxyServer by using a variation of ElementalHttpServer  to send a request to
proxy code.
The proxy code then makes an actual client request to the target site. The proxy request gets
a response
back and sets the statusline, headers, and entity back in the original response in the  handler
 (which sends
 it back to the Browser).

For simple HTML sites, this works fine. But, on chunked sites (transfer-encoding=chunked)
e.g. www.google.com 
I'm getting a "Socket Exception: Bad File Number" following the first response back to the
browser i.e.

11-17 13:48:05.307: ERROR/MTHttpProxy:(2767): proxyResponse entity is CHUNKED
11-17 13:48:05.307: ERROR/MTHttpProxy:(2767): proxyResponse entity is STREAMING
11-17 13:48:05.307: ERROR/MTHttpProxy:(2767): ======================= Done Handling Request-Response
=======================
11-17 13:48:05.317: ERROR/MTHttpProxy:(2767): ERROR: I/O error from call to handle request:
Bad file number
11-17 13:48:05.317: WARN/System.err(2767): java.net.SocketException: Bad file number
11-17 13:48:05.327: WARN/System.err(2767):     at org.apache.harmony.luni.platform.OSNetworkSystem.readSocketImpl(Native
Method)
11-17 13:48:05.327: WARN/System.err(2767):     at org.apache.harmony.luni.platform.OSNetworkSystem.read(OSNetworkSystem.java:358)
11-17 13:48:05.327: WARN/System.err(2767):     at org.apache.harmony.luni.net.PlainSocketImpl.read(PlainSocketImpl.java:561)
11-17 13:48:05.327: WARN/System.err(2767):     at org.apache.harmony.luni.net.SocketInputStream.read(SocketInputStream.java:88)
11-17 13:48:05.327: WARN/System.err(2767):     at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:103)
11-17 13:48:05.327: WARN/System.err(2767):     at org.apache.http.impl.io.AbstractSessionInputBuffer.read(AbstractSessionInputBuffer.java:134)
11-17 13:48:05.337: WARN/System.err(2767):     at org.apache.http.impl.io.ChunkedInputStream.read(ChunkedInputStream.java:161)
11-17 13:48:05.337: WARN/System.err(2767):     at org.apache.http.impl.io.ChunkedInputStream.read(ChunkedInputStream.java:175)
11-17 13:48:05.337: WARN/System.err(2767):     at org.apache.http.entity.BasicHttpEntity.writeTo(BasicHttpEntity.java:129)
11-17 13:48:05.337: WARN/System.err(2767):     at org.apache.http.impl.entity.EntitySerializer.serialize(EntitySerializer.java:97)
11-17 13:48:05.337: WARN/System.err(2767):     at org.apache.http.impl.AbstractHttpServerConnection.sendResponseEntity(AbstractHttpServerConnection.java:182)
11-17 13:48:05.337: WARN/System.err(2767):     at org.apache.http.protocol.HttpService.handleRequest(HttpService.java:209)
11-17 13:48:05.337: WARN/System.err(2767):     at com.test.MultiHttpProxy$WorkerThread.run(MultiHttpProxy.java:446)

BTW: I have no reason to suspect bugs in the Chunk handling. I'm just not seeing this on the
few non-chunked sites I've tested.

Any ideas what could be wrong or how to debug? Any advice appreciated....Thanks!

PS, if anyone can clarify the version of HttpComponents on Android 2.2 also, that would be
great. Thx.


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