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From "Igor Fedorenko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HTTPCLIENT-1340) ProtocolException when Connection:close response header is present
Date Fri, 12 Apr 2013 16:00:16 GMT
Igor Fedorenko created HTTPCLIENT-1340:
------------------------------------------

             Summary: ProtocolException when Connection:close response header is present
                 Key: HTTPCLIENT-1340
                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1340
             Project: HttpComponents HttpClient
          Issue Type: Bug
    Affects Versions: 4.3 Beta1, 4.2.4
            Reporter: Igor Fedorenko


The problem was originally observed when using maven 3.0.5 and newer with maven repositories
served by nginx that has username/password authentication and connection keep-alive enabled.


I was able to reproduce the problem using standalone test application that executes the same
HttpGet request in a loop. Below is wire log of the last two iterations that lead to "ProtocolException:
The server failed to respond with a valid HTTP response". From the log the client apparently
stopped processing of the response with Connection:close heaader and then reused the connection
for the next request.

{noformat}
2013/04/12 11:48:02:745 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Stale connection
check
2013/04/12 11:48:02:746 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Attempt 1 to execute
request
2013/04/12 11:48:02:747 EDT [DEBUG] wire - >> "GET /content/groups/sonatype-grid/.meta/prefixes.txt
HTTP/1.1[\r][\n]"
2013/04/12 11:48:02:747 EDT [DEBUG] wire - >> "Host: repository.sonatype.org[\r][\n]"
2013/04/12 11:48:02:747 EDT [DEBUG] wire - >> "Connection: Keep-Alive[\r][\n]"
2013/04/12 11:48:02:747 EDT [DEBUG] wire - >> "[\r][\n]"
2013/04/12 11:48:02:782 EDT [DEBUG] wire - << "HTTP/1.1 401 Unauthorized[\r][\n]"
2013/04/12 11:48:02:782 EDT [DEBUG] wire - << "Server: nginx/0.8.54[\r][\n]"
2013/04/12 11:48:02:782 EDT [DEBUG] wire - << "Date: Fri, 12 Apr 2013 15:48:02 GMT[\r][\n]"
2013/04/12 11:48:02:782 EDT [DEBUG] wire - << "Connection: keep-alive[\r][\n]"
2013/04/12 11:48:02:782 EDT [DEBUG] wire - << "Keep-Alive: timeout=5[\r][\n]"
2013/04/12 11:48:02:783 EDT [DEBUG] wire - << "Set-Cookie: rememberMe=deleteMe; Path=/;
Max-Age=0; Expires=Thu, 11-Apr-2013 15:48:02 GMT[\r][\n]"
2013/04/12 11:48:02:783 EDT [DEBUG] wire - << "WWW-Authenticate: BASIC realm="Sonatype
Nexus Repository Manager"[\r][\n]"
2013/04/12 11:48:02:783 EDT [DEBUG] wire - << "Content-Length: 0[\r][\n]"
2013/04/12 11:48:02:783 EDT [DEBUG] wire - << "[\r][\n]"
2013/04/12 11:48:02:783 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Connection can be
kept alive for 5000 MILLISECONDS
2013/04/12 11:48:02:783 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Authentication required
2013/04/12 11:48:02:783 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - repository.sonatype.org:443
requested authentication
2013/04/12 11:48:02:795 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Selected authentication
options: [BASIC]
2013/04/12 11:48:02:796 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Attempt 2 to execute
request
2013/04/12 11:48:02:796 EDT [DEBUG] wire - >> "GET /content/groups/sonatype-grid/.meta/prefixes.txt
HTTP/1.1[\r][\n]"
2013/04/12 11:48:02:796 EDT [DEBUG] wire - >> "Host: repository.sonatype.org[\r][\n]"
2013/04/12 11:48:02:796 EDT [DEBUG] wire - >> "Connection: Keep-Alive[\r][\n]"
2013/04/12 11:48:02:796 EDT [DEBUG] wire - >> "Authorization: Basic XXX [\r][\n]"
2013/04/12 11:48:02:796 EDT [DEBUG] wire - >> "[\r][\n]"
2013/04/12 11:48:02:840 EDT [DEBUG] wire - << "HTTP/1.1 200 OK[\r][\n]"
2013/04/12 11:48:02:840 EDT [DEBUG] wire - << "Server: nginx/0.8.54[\r][\n]"
2013/04/12 11:48:02:840 EDT [DEBUG] wire - << "Date: Fri, 12 Apr 2013 15:48:02 GMT[\r][\n]"
2013/04/12 11:48:02:840 EDT [DEBUG] wire - << "Content-Type: text/plain[\r][\n]"
2013/04/12 11:48:02:840 EDT [DEBUG] wire - << "Connection: keep-alive[\r][\n]"
2013/04/12 11:48:02:840 EDT [DEBUG] wire - << "Keep-Alive: timeout=5[\r][\n]"
2013/04/12 11:48:02:840 EDT [DEBUG] wire - << "Set-Cookie: rememberMe=deleteMe; Path=/;
Max-Age=0; Expires=Thu, 11-Apr-2013 15:48:02 GMT[\r][\n]"
2013/04/12 11:48:02:840 EDT [DEBUG] wire - << "Last-Modified: Fri, 12 Apr 2013 08:22:54
GMT[\r][\n]"
2013/04/12 11:48:02:840 EDT [DEBUG] wire - << "ETag: "{SHA1{3cf8e81cedbd285b8c745289d7184315762ca578}}"[\r][\n]"
2013/04/12 11:48:02:841 EDT [DEBUG] wire - << "Vary: Accept-Charset, Accept-Encoding,
Accept-Language, Accept[\r][\n]"
2013/04/12 11:48:02:841 EDT [DEBUG] wire - << "X-Content-Type-Options: nosniff[\r][\n]"
2013/04/12 11:48:02:841 EDT [DEBUG] wire - << "Content-Length: 100[\r][\n]"
2013/04/12 11:48:02:841 EDT [DEBUG] wire - << "[\r][\n]"
2013/04/12 11:48:02:841 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Connection can be
kept alive for 5000 MILLISECONDS
2013/04/12 11:48:02:841 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Authentication succeeded
2013/04/12 11:48:02:841 EDT [DEBUG] wire - << "@ unsupported[\n]"
2013/04/12 11:48:02:841 EDT [DEBUG] wire - << "# Prefix file generated by Sonatype Nexus[\n]"
2013/04/12 11:48:02:841 EDT [DEBUG] wire - << "# Do not edit, changes will be overwritten![\n]"

2013/04/12 11:48:02:841 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Stale connection
check
2013/04/12 11:48:02:843 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Attempt 1 to execute
request
2013/04/12 11:48:02:843 EDT [DEBUG] wire - >> "GET /content/groups/sonatype-grid/.meta/prefixes.txt
HTTP/1.1[\r][\n]"
2013/04/12 11:48:02:843 EDT [DEBUG] wire - >> "Host: repository.sonatype.org[\r][\n]"
2013/04/12 11:48:02:843 EDT [DEBUG] wire - >> "Connection: Keep-Alive[\r][\n]"
2013/04/12 11:48:02:843 EDT [DEBUG] wire - >> "[\r][\n]"
2013/04/12 11:48:02:878 EDT [DEBUG] wire - << "HTTP/1.1 401 Unauthorized[\r][\n]"
2013/04/12 11:48:02:878 EDT [DEBUG] wire - << "Server: nginx/0.8.54[\r][\n]"
2013/04/12 11:48:02:878 EDT [DEBUG] wire - << "Date: Fri, 12 Apr 2013 15:48:02 GMT[\r][\n]"
2013/04/12 11:48:02:878 EDT [DEBUG] wire - << "Connection: keep-alive[\r][\n]"
2013/04/12 11:48:02:878 EDT [DEBUG] wire - << "Keep-Alive: timeout=5[\r][\n]"
2013/04/12 11:48:02:878 EDT [DEBUG] wire - << "Set-Cookie: rememberMe=deleteMe; Path=/;
Max-Age=0; Expires=Thu, 11-Apr-2013 15:48:02 GMT[\r][\n]"
2013/04/12 11:48:02:878 EDT [DEBUG] wire - << "WWW-Authenticate: BASIC realm="Sonatype
Nexus Repository Manager"[\r][\n]"
2013/04/12 11:48:02:878 EDT [DEBUG] wire - << "Content-Length: 0[\r][\n]"
2013/04/12 11:48:02:878 EDT [DEBUG] wire - << "[\r][\n]"
2013/04/12 11:48:02:879 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Connection can be
kept alive for 5000 MILLISECONDS
2013/04/12 11:48:02:879 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Authentication required
2013/04/12 11:48:02:879 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - repository.sonatype.org:443
requested authentication
2013/04/12 11:48:02:879 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Selected authentication
options: [BASIC]
2013/04/12 11:48:02:879 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Attempt 2 to execute
request
2013/04/12 11:48:02:879 EDT [DEBUG] wire - >> "GET /content/groups/sonatype-grid/.meta/prefixes.txt
HTTP/1.1[\r][\n]"
2013/04/12 11:48:02:879 EDT [DEBUG] wire - >> "Host: repository.sonatype.org[\r][\n]"
2013/04/12 11:48:02:879 EDT [DEBUG] wire - >> "Connection: Keep-Alive[\r][\n]"
2013/04/12 11:48:02:879 EDT [DEBUG] wire - >> "Authorization: Basic XXX [\r][\n]"
2013/04/12 11:48:02:879 EDT [DEBUG] wire - >> "[\r][\n]"
2013/04/12 11:48:02:924 EDT [DEBUG] wire - << "HTTP/1.1 200 OK[\r][\n]"
2013/04/12 11:48:02:924 EDT [DEBUG] wire - << "Server: nginx/0.8.54[\r][\n]"
2013/04/12 11:48:02:924 EDT [DEBUG] wire - << "Date: Fri, 12 Apr 2013 15:48:02 GMT[\r][\n]"
2013/04/12 11:48:02:924 EDT [DEBUG] wire - << "Content-Type: text/plain[\r][\n]"
2013/04/12 11:48:02:925 EDT [DEBUG] wire - << "Connection: close[\r][\n]"
2013/04/12 11:48:02:925 EDT [DEBUG] wire - << "Set-Cookie: rememberMe=deleteMe; Path=/;
Max-Age=0; Expires=Thu, 11-Apr-2013 15:48:02 GMT[\r][\n]"
2013/04/12 11:48:02:925 EDT [DEBUG] wire - << "Last-Modified: Fri, 12 Apr 2013 08:22:54
GMT[\r][\n]"
2013/04/12 11:48:02:925 EDT [DEBUG] wire - << "ETag: "{SHA1{3cf8e81cedbd285b8c745289d7184315762ca578}}"[\r][\n]"
2013/04/12 11:48:02:925 EDT [DEBUG] wire - << "Vary: Accept-Charset, Accept-Encoding,
Accept-Language, Accept[\r][\n]"
2013/04/12 11:48:02:925 EDT [DEBUG] wire - << "X-Content-Type-Options: nosniff[\r][\n]"
2013/04/12 11:48:02:925 EDT [DEBUG] wire - << "Content-Length: 100[\r][\n]"
2013/04/12 11:48:02:925 EDT [DEBUG] wire - << "[\r][\n]"
2013/04/12 11:48:02:925 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Authentication succeeded

2013/04/12 11:48:02:925 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Stale connection
check
2013/04/12 11:48:02:926 EDT [DEBUG] DownloadMain$DefaultHttpClientImpl - Attempt 1 to execute
request
2013/04/12 11:48:02:926 EDT [DEBUG] wire - >> "GET /content/groups/sonatype-grid/.meta/prefixes.txt
HTTP/1.1[\r][\n]"
2013/04/12 11:48:02:926 EDT [DEBUG] wire - >> "Host: repository.sonatype.org[\r][\n]"
2013/04/12 11:48:02:926 EDT [DEBUG] wire - >> "Connection: Keep-Alive[\r][\n]"
2013/04/12 11:48:02:926 EDT [DEBUG] wire - >> "[\r][\n]"
2013/04/12 11:48:02:926 EDT [DEBUG] wire - << "@ unsupported[\r][\n]"
2013/04/12 11:48:02:926 EDT [DEBUG] wire - << "# Prefix file generated by Sonatype Nexus[\r][\n]"
2013/04/12 11:48:02:926 EDT [DEBUG] wire - << "# Do not edit, changes will be overwritten![\r][\n]"
50 4975
Exception in thread "main" org.apache.http.client.ClientProtocolException
	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:909)
	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805)
	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:784)
	at download.httpclient.ssl.DownloadMain.run(DownloadMain.java:80)
	at download.httpclient.ssl.DownloadMain.main(DownloadMain.java:31)
Caused by: org.apache.http.ProtocolException: The server failed to respond with a valid HTTP
response
	at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:103)
	at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:62)
	at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:254)
	at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:289)
	at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:252)
	at org.apache.http.impl.conn.ManagedClientConnectionImpl.receiveResponseHeader(ManagedClientConnectionImpl.java:191)
	at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:300)
	at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:127)
	at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:716)
	at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:521)
	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)
	... 4 more
{noformat}

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