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From "Benjamin Bentmann (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HTTPCLIENT-1188) HTTP client does not monitor connection for error status while sending request body
Date Fri, 27 Apr 2012 15:28:52 GMT

    [ https://issues.apache.org/jira/browse/HTTPCLIENT-1188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13263743#comment-13263743
] 

Benjamin Bentmann commented on HTTPCLIENT-1188:
-----------------------------------------------

Uploading the same file via curl works fine, in verbose mode the curl output shows {{we are
done reading and this is set to close, stop send}}, highlighting the desired behavior.
                
> HTTP client does not monitor connection for error status while sending request body
> -----------------------------------------------------------------------------------
>
>                 Key: HTTPCLIENT-1188
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1188
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpClient
>    Affects Versions: 4.1.3
>            Reporter: Benjamin Bentmann
>
> Quoting from http://www.w3.org/Protocols/rfc2616/rfc2616-sec8.html#sec8.2.2:
> bq. An HTTP/1.1 (or later) client sending a message-body SHOULD monitor the network connection
for an error status while it is transmitting the request. If the client sees an error status,
it SHOULD immediately cease transmitting the body. If the body is being sent using a "chunked"
encoding (section 3.6), a zero length chunk and empty trailer MAY be used to prematurely mark
the end of the message. If the body was preceded by a Content-Length header, the client MUST
close the connection. 
> This is apparently not the case with the HttpClient. While uploading large files (tens
of MBs) whose transfer takes notable time (~ 30 sec) we observed the following exceptions
(the variation in detail msg are either due to Java version or OS):
> {noformat}
> java.net.SocketException: Broken pipe
>   at java.net.SocketOutputStream.socketWrite0(Native Method)
>   at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
>   at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
>   at com.sun.net.ssl.internal.ssl.OutputRecord.writeBuffer(OutputRecord.java:297)
>   at com.sun.net.ssl.internal.ssl.OutputRecord.write(OutputRecord.java:286)
>   at com.sun.net.ssl.internal.ssl.SSLSocketImpl.writeRecordInternal(SSLSocketImpl.java:743)
>   at com.sun.net.ssl.internal.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:731)
>   at com.sun.net.ssl.internal.ssl.AppOutputStream.write(AppOutputStream.java:59)
>   at org.apache.http.impl.io.AbstractSessionOutputBuffer.write(AbstractSessionOutputBuffer.java:153)
>   at org.apache.http.impl.io.ContentLengthOutputStream.write(ContentLengthOutputStream.java:114)
>   at org.apache.http.entity.FileEntity.writeTo(FileEntity.java:75)
>   at org.apache.http.entity.HttpEntityWrapper.writeTo(HttpEntityWrapper.java:96)
>   at org.apache.http.impl.client.EntityEnclosingRequestWrapper$EntityWrapper.writeTo(EntityEnclosingRequestWrapper.java:108)
>   at org.apache.http.impl.entity.EntitySerializer.serialize(EntitySerializer.java:120)
>   at org.apache.http.impl.AbstractHttpClientConnection.sendRequestEntity(AbstractHttpClientConnection.java:264)
>   at org.apache.http.impl.conn.AbstractClientConnAdapter.sendRequestEntity(AbstractClientConnAdapter.java:224)
>   at org.apache.http.protocol.HttpRequestExecutor.doSendRequest(HttpRequestExecutor.java:255)
>   at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:123)
>   at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:647)
>   at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:464)
>   at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
>   
> java.net.SocketException: Connection reset by peer: socket write error
>   at java.net.SocketOutputStream.socketWrite0(Native Method)
>   at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
>   at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
>   at com.sun.net.ssl.internal.ssl.OutputRecord.writeBuffer(OutputRecord.java:297)
>   at com.sun.net.ssl.internal.ssl.OutputRecord.write(OutputRecord.java:286)
>   at com.sun.net.ssl.internal.ssl.SSLSocketImpl.writeRecordInternal(SSLSocketImpl.java:748)
>   at com.sun.net.ssl.internal.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:736)
>   at com.sun.net.ssl.internal.ssl.AppOutputStream.write(AppOutputStream.java:89)
>   at org.apache.http.impl.io.AbstractSessionOutputBuffer.write(AbstractSessionOutputBuffer.java:153)
>   at org.apache.http.impl.io.ContentLengthOutputStream.write(ContentLengthOutputStream.java:114)
>   at org.apache.http.entity.FileEntity.writeTo(FileEntity.java:75)
>   at org.apache.http.entity.HttpEntityWrapper.writeTo(HttpEntityWrapper.java:96)
>   at org.apache.http.impl.client.EntityEnclosingRequestWrapper$EntityWrapper.writeTo(EntityEnclosingRequestWrapper.java:108)
>   at org.apache.http.impl.entity.EntitySerializer.serialize(EntitySerializer.java:120)
>   at org.apache.http.impl.AbstractHttpClientConnection.sendRequestEntity(AbstractHttpClientConnection.java:264)
>   at org.apache.http.impl.conn.AbstractClientConnAdapter.sendRequestEntity(AbstractClientConnAdapter.java:224)
>   at org.apache.http.protocol.HttpRequestExecutor.doSendRequest(HttpRequestExecutor.java:255)
>   at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:123)
>   at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:647)
>   at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:464)
>   at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
> {noformat}
> The cause for those is apparently that the server sends an error response before fully
consuming the request body sent by the client. The server eventually closes the TCP connection
(after having notified the client via FIN and RST) but the client continues to upload and
runs into the closed server side.

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