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From "Brad Clarke" <brm_...@rogers.com>
Subject HTTPClient RC2 - Response content length is not known
Date Fri, 07 Nov 2003 05:02:47 GMT
I have a piece of code that hits my LinkSys router to get the IP address and
e-mail it if it has changed.

When using HTTPClient 2.0 RC1, it ran fine.  When I upgraded to RC2, I get
the message

"WARNING: Response content length is not known"

I've isolated the two calls that result in the warning.  They are:

            int status = client.executeMethod( get );
and
            get.getResponseBodyAsString();

Is there anything I can do to make this warning "go away"?

Here is the main procedure, to give you a better idea of what I'm doing:

            String strHTML = new String();
            String strIP = new String();
            int statusCode = 0;

            System.out.println("***** LSRouter start *****");

            HttpClient client = new HttpClient();

            client.getState().setCredentials("Linksys
BEFSR41/BEFSR11/BEFSRU31",
                "192.168.1.1", new UsernamePasswordCredentials("user",
"pass"));

            GetMethod get = new GetMethod("http://192.168.1.1/Status.htm");
            get.setDoAuthentication( true );

            //client.setStrictMode(true);  <--- no effect when enabled
            //get.setStrictMode(true);  <--- no effect when enabled

            // execute the GET
            int status = client.executeMethod( get );

            // print the status and response
            statusCode = get.getStatusCode();
            System.out.println("Status = " + statusCode);

            strHTML = StripHTML(get.getResponseBodyAsString());
            strIP = locateIP(strHTML);

            System.out.println("\n" + strIP);

And the wire output:

2003/11/07 00:00:12:582 EST [DEBUG] HttpClient - -Java version: 1.4.2_02
2003/11/07 00:00:12:592 EST [DEBUG] HttpClient - -Java vendor: Sun
Microsystems Inc.
2003/11/07 00:00:12:592 EST [DEBUG] HttpClient - -Java class path:
D:\j2sdk1.4.2_02\jre\lib\rt.jar;D:\j2sdk1.4.2_02\lib\tools.jar;D:\Apache_Too
ls\commons-httpclient-2.0-rc2\commons-httpclient-2.0-rc2.jar;D:\Apache_Tools
\commons-httpclient-2.0-rc1\commons-httpclient-2.0-rc1.jar;D:\Apache_Tools\c
ommons-logging-1.0.3\commons-logging.jar;H:\Development\Java\LSRouter\classe
s
2003/11/07 00:00:12:592 EST [DEBUG] HttpClient - -Operating system name:
Windows 2000
2003/11/07 00:00:12:592 EST [DEBUG] HttpClient - -Operating system
architecture: x86
2003/11/07 00:00:12:592 EST [DEBUG] HttpClient - -Operating system version:
5.0

2003/11/07 00:00:13:844 EST [DEBUG] HttpClient - -SUN 1.42: SUN (DSA
key/parameter generation; DSA signing; SHA-1, MD5 digests; SecureRandom;
X.509 certificates; JKS keystore; PKIX CertPathValidator; PKIX
CertPathBuilder; LDAP, Collection CertStores)
2003/11/07 00:00:13:844 EST [DEBUG] HttpClient - -SunJSSE 1.42: Sun JSSE
provider(implements RSA Signatures, PKCS12, SunX509 key/trust factories,
SSLv3, TLSv1)
2003/11/07 00:00:13:844 EST [DEBUG] HttpClient - -SunRsaSign 1.42: SUN's
provider for RSA signatures
2003/11/07 00:00:13:854 EST [DEBUG] HttpClient - -SunJCE 1.42: SunJCE
Provider (implements DES, Triple DES, AES, Blowfish, PBE, Diffie-Hellman,
HMAC-MD5, HMAC-SHA1)
2003/11/07 00:00:13:884 EST [DEBUG] HttpClient - -SunJGSS 1.0: Sun (Kerberos
v5)
2003/11/07 00:00:14:555 EST [DEBUG]
HttpConnection - -HttpConnection.setSoTimeout(0)
2003/11/07 00:00:14:785 EST [DEBUG] HttpMethodBase - -Execute loop try 1
2003/11/07 00:00:14:795 EST [DEBUG] wire - ->> "GET /Status.htm
HTTP/1.1[\r][\n]"
2003/11/07 00:00:14:826 EST [DEBUG] HttpMethodBase - -Adding Host request
header
2003/11/07 00:00:14:996 EST [DEBUG] wire - ->> "User-Agent: Jakarta
Commons-HttpClient/2.0rc2[\r][\n]"
2003/11/07 00:00:15:006 EST [DEBUG] wire - ->> "Host: 192.168.1.1[\r][\n]"
2003/11/07 00:00:15:006 EST [DEBUG] wire - ->> "[\r][\n]"
2003/11/07 00:00:15:026 EST [DEBUG] wire - -<< "HTTP/1.1 401 Authorization
Required[\r][\n]"
2003/11/07 00:00:15:036 EST [DEBUG] wire - -<< "WWW-Authenticate: Basic
realm="Linksys BEFSR41/BEFSR11/BEFSRU31"[\r][\n]"
2003/11/07 00:00:15:046 EST [DEBUG] wire - -<< "Content-type:
text/html[\r][\n]"
2003/11/07 00:00:15:046 EST [DEBUG] wire - -<< "Expires: Thu, 13 Dec 1969
10:29:00 GMT[\r][\n]"
2003/11/07 00:00:15:046 EST [DEBUG] wire - -<< "Connection: close[\r][\n]"

2003/11/07 00:00:15:256 EST [DEBUG] wire - -<< "Pragma: no-cache[\r][\n]"
2003/11/07 00:00:15:256 EST [WARN] HttpMethodBase - -Response content length
is not known
2003/11/07 00:00:15:256 EST [DEBUG] HttpMethodBase - -Force-close
connection: true
2003/11/07 00:00:15:326 EST [DEBUG] HttpMethodBase - -Authorization required
2003/11/07 00:00:15:506 EST [DEBUG] HttpAuthenticator - -Authenticating with
the 'Linksys BEFSR41/BEFSR11/BEFSRU31' authentication realm at 192.168.1.1
2003/11/07 00:00:15:577 EST [DEBUG]
HttpMethodBase - -HttpMethodBase.execute(): Server demanded authentication
credentials, will try again.
2003/11/07 00:00:15:587 EST [DEBUG] HttpMethodBase - -Should force-close
connection.
2003/11/07 00:00:15:587 EST [DEBUG] HttpMethodBase - -Execute loop try 2
2003/11/07 00:00:15:587 EST [DEBUG] HttpMethodBase - -Opening the
connection.
2003/11/07 00:00:15:657 EST [DEBUG] wire - ->> "GET /Status.htm
HTTP/1.1[\r][\n]"
2003/11/07 00:00:15:657 EST [DEBUG] HttpMethodBase - -Request to add Host
header ignored: header already added
2003/11/07 00:00:15:667 EST [DEBUG] wire - ->> "User-Agent: Jakarta
Commons-HttpClient/2.0rc2[\r][\n]"
2003/11/07 00:00:15:667 EST [DEBUG] wire - ->> "Host: 192.168.1.1[\r][\n]"
2003/11/07 00:00:15:797 EST [DEBUG] wire - ->> "Authorization: Basic
YWRtaW46amVzc2llOTQ=[\r][\n]"
2003/11/07 00:00:15:797 EST [DEBUG] wire - ->> "[\r][\n]"
Status = 200
2003/11/07 00:00:15:897 EST [DEBUG] wire - -<< "HTTP/1.1 200 OK[\r][\n]"
2003/11/07 00:00:15:907 EST [DEBUG] wire - -<< "Content-type:
text/html[\r][\n]"
2003/11/07 00:00:15:907 EST [DEBUG] wire - -<< "Expires: Thu, 13 Dec 1969
10:29:00 GMT[\r][\n]"
2003/11/07 00:00:15:907 EST [DEBUG] wire - -<< "Connection: close[\r][\n]"
2003/11/07 00:00:15:907 EST [DEBUG] wire - -<< "Pragma: no-cache[\r][\n]"
2003/11/07 00:00:15:907 EST [WARN] HttpMethodBase - -Response content length
is not known
2003/11/07 00:00:15:907 EST [DEBUG] HttpMethodBase - -Force-close
connection: true
2003/11/07 00:00:15:917 EST [DEBUG] HttpMethodBase - -Buffering response
body
2003/11/07 00:00:16:288 EST [DEBUG] wire - -<<
"<html><head><style>A:active;A:link;{text-decoration:none;}A:visited{text-de
coration:none;}</style></head><script src=Gozila.js></script><script
language=JavaScript>function pppoeAction(F,I){[0x9]F.pppoeAct.value =
I;[0x9]F.submit();}function showAlert(){alert('');}function
DHCPAct(F,I){[0x9]F.dhcpAction.value = I;[0x9]F.submit();}</script><body
bgcolor=black><center><table border=0 cellspacing=0 cellpadding=0
width=700><tr><td colspan=2 background='tmp.gif' width=100% height=54><table
border=0 cellspacing=3 width=700 height=54><tr><td colspan=11
height=22></td></tr><tr><td width=175 align=center height=23
background=''>&nbsp;</td><td align=center width=50 height=23 bgcolor=a5a4a1
background=''><a href='index.htm'><font face=verdana color=black
size=1><b>Setup</a></td><td align=center width=50 height=23 bgcolor=a5a4a1
background=''><a href='Passwd.htm'><font face=verdana color=black
size=1><b>Password</a></td><td align=center width=50 height=23 bgcolor=white
background=''><a href='Status.htm'><font face=verdana color=f79400 s"

2003/11/07 00:00:16:578 EST [DEBUG] wire - -<< "ize=1><b>Status</a></td><td
align=center width=50 height=23 bgcolor=a5a4a1 background=''><a
href='DHCP.htm'><font face=verdana color=black size=1><b>DHCP</a></td><td
align=center width=50 height=23 bgcolor=a5a4a1 background=''><a
href='Log.htm'><font face=verdana color=black size=1><b>Log</a></td><td
align=center width=50 height=23 bgcolor=a5a4a1 background=''><a
href='Security.htm'><font face=verdana color=black
size=1><b>Security</a></td><td align=center width=50 height=23
bgcolor=a5a4a1 background=''><a href='Help.htm'><font face=verdana
color=black size=1><b>Help</a></td><td align=center height=23
background=''>&nbsp;</td><td align=center width=50 height=23 bgcolor=f79400
background=''><a href='Filters.htm'><font face=verdana color=black
size=1><b>Advanced</a></td><td width=30 align=center height=23
background=''>&nbsp;</td></tr></table><tr><th bgcolor=black
width=23%
height=100><font size=5 face=verdana color=white>STATUS</th><th
bgcolor=white valign=top>[0x9]<table cellpadding=3 width=94%><tr><td><font
size=2 face=verdana color=black>This screen displays the router's current
status and settings. This information is
read-only.[0x9]</td></tr></table></th></tr><tr><th
colspan=2><table border=1
bgcolor=black cellspacing=3 width=100%><tr><th><table border=0 bgcolor=white
cellspacing=0 width=100%><tr><th bgcolor=6666cc width=23% align=right><font
color=white face=Arial size=2>Host
Name:&nbsp;&nbsp;</th><td>&nbsp;&nbsp;&nbsp;<font face=verdana
size=2><b></td></tr><tr><th bgcolor=6666cc align=right><font
color=white
face=Arial size=2>Firmware
Version:&nbsp;&nbsp;</th><td>&nbsp;&nbsp;&nbsp;<font face=verdana
size=2><b>1.45.6, Jun 24 2003</td></tr><tr><th bgcolor=6666cc
align=right><font color=white face=Arial
size=2><br>Login:&nbsp;&nbsp;</th><td><font face=verdana
size=2><b><br>&nbsp;&nbsp;&nbsp;Disable</td></tr><!--LAN
head--><tr><th
bgcolor=6666cc align=right><font color=white face=Arial
size=2><br>LAN:&nbsp;&nbsp;</th><td><br>&nbsp;&nbsp;&nbsp;<font
face=verdana
size=1>(MAC Address: 00-20-78-D6-E1-DC)</td></tr><tr><th
bgcolor=6666cc>&nbsp;</th><td><table width=90%><tr><td 
bgcolor=6666cc
width=47%>&nbsp; &nbsp;<font color=white face=verdana size=2>IP
Address:</td><td><font face=verdana size=2>192.168.1.1</td></tr><tr><td
bgcolor=6666cc>&nbsp; &nbsp;<font color=white face=verdana size=2>Subnet
Mask:</td><td><font face=verdana size=2>255.255.255.0</td></tr><tr><td
bgcolor=6666cc>&nbsp; &nbsp;<font color=white face=verdana size=2>DHCP
server:</td><td><font face=verdana
size=2>Disabled</td></tr></table></td></tr><!--LAN tail--><!--WAN
head--><tr><th bgcolor=6666cc align=right><font color=white face=Arial
size=2><br>WAN: &nbsp;</th><td><br>&nbsp; &nbsp;<font
face=verdana
size=1>(MAC Address: 00-60-67-62-52-0D)</td></tr><tr><th
bgcolor=6666cc>&nbsp;</th><td><table width=90%><tr><td bgcolor=6666cc
width=47%>&nbsp; &nbsp;<font color=white face=verdana size=2>IP
Address:</td><td><font face=verdana size=2>24.43.14.227</td></tr><tr><td
bgcolor=6666cc>&nbsp; &nbsp;<font color=white face=verdana size=2>Subnet
Mask:</td><td><font face=verdana size=2>255.255.252.0</td></tr><tr><td
bgcolor=6666cc>&nbsp; &nbsp;<font color=white face=verdana size=2>Default
Gateway:</td><td><font face=verdana size=2>24.43.12.1</td></tr><tr><td
bgcolor=6666cc>&nbsp; &nbsp;<font color=white face=verdana
size=2>DNS:</td><td><font face=verdana
size=2>24.153.22.195<br>24.153.23.66<br>0.0.0.0</td></tr><tr><td
bgcolor=6666cc>&nbsp; &nbsp;<font color=white face=verdana size=2>DHCP
Remaining Time:</td><td><font face=verdana size=2> 3 days
19:02:36</td></tr></table></td></tr><!--WAN tail--><tr><th
bgcolor=6666cc>&nbsp;</th><td>&nbsp;<form method=get action=Gozila.cgi>
&nbsp; <input type=hidden name=dhcpAction><input type=button value=' DHCP
Release ' onClick=DHCPAct(this.form,0)> <input type=button value=' DHCP
Renew ' onClick=DHCPAct(this.form,1)> </form><form> &nbsp;  </form><p>
</td></tr></table></th></tr></table></th></tr></table></center></body></html
>"

2003/11/07 00:00:16:668 EST [DEBUG] HttpMethodBase - -Should force-close
connection.
2003/11/07 00:00:16:698 EST [DEBUG] HttpMethodBase - -Default charset used:
ISO-8859-1


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