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Re: recvresp(): end with err
Hi Scott -
Thank you very much for the response! The DHL rep does use the word
"legacy" often during project meetings.
Because your examples are so very good, I have not explored some of the
more esoteric (for me at least) options with HTTPAPI.
I see EXAMPLE2 has the http_xproc, but what exit point event constant
should I use. Also is the exact syntax for the "connection: close"?
Thank you again...
Todd Carmosino
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Today's Topics:
1. RE: recvresp(): end with err (Ian Patterson)
2. Re: recvresp(): end with err (Scott Klement)
----------------------------------------------------------------------
Message: 1
Date: Fri, 17 May 2013 17:39:15 +0100
From: "Ian Patterson" [6]<ian@xxxxxxxxxxxxxxxxx>
To: "HTTPAPI and FTPAPI Projects" [7]<ftpapi@xxxxxxxxxxxxxxxxxxxxxx>
Subject: RE: recvresp(): end with err
Message-ID: [8]<FIEBLHMAHFEECMEKBPMFMEKEGHAA.ian@xxxxxxxxxxxxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"
I am not a XML expert by any means, but is the xml in senddoc() formed
correctly ?
If I take the debug file exactly as I see it, the starting tag
<req:GetNewWaybillRequest doesn't have a closing '>'
Also, should it not be after the xmlns line ?
Regards
Ian Patterson
-----Original Message-----
From: [9]ftpapi-bounces@xxxxxxxxxxxxxxxxxxxxxx
[[10]mailto:ftpapi-bounces@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of Todd
Carmosino
Sent: 17 May 2013 17:09
To: [11]ftpapi@xxxxxxxxxxxxxxxxxxxxxx
Subject: recvresp(): end with err
Scott / All -
Posted the same question the other day, hopefully is post makes more
sense...
Why would I receive a "good" response - *"recvresp(): entered*" with an
XML response from the sever (even though it's an error) then immediately
recevie a "bad" response - "*recvresp(): end with err*" ?
The request stays inside the company firewall - AS400 to a DHL sever in
the same computer room.
Could there be an issue on the server and/or internal router?
The program is pretty straight forward and a snippet is below, followed
by the debug file.
I've spent a better part of a week on this, and any help would really be
appreciated.
Todd Carmosino
*>>> Code Snippet <<<*
* Parameter list from calling program...
D MG120RG PR ExtPgm('MG120RG')
D Debug 10A
D dhlesIP 32A
D WMSEnv 10A
D Result 80A
D dhlesIN 32766A
D dhlesOUT 32766A
D MG120RG PI
D Debug 10A
D dhlesIP 32A
D WMSEnv 10A
D Result 80A
D dhlesIN 32766A
D dhlesOUT 32766A
D url s 1024A
D csv s 32766A varying
D retdata s 32766A
D retlen s 10I 0
D nextpos s 10I 0 inz(1)
D debugFile s 100A
D rc s 10I 0
/free
url = %trim(dhlesIP);
csv = 'xml=' + %trim(dhlesIN);
rc = http_url_post_raw(
url
: %addr(csv) + 2
: %len(csv)
: 1
: %paddr('INCOMING')
: HTTP_TIMEOUT
: HTTP_USERAGENT
: 'application/x-www-form-urlencoded' );
if rc <> 1;
result = 'MG120RG: http_url_post_raw failed' + debugFile;
else;
result = 'HTTP POST Success!';
endif;
*inlr = *on;
// Convert the "raw" response data to EBCDIC
if retlen > 3;
http_xlate(retlen: retdata: TO_EBCDIC);
dhlesOUT = %trimr(retdata);
result = ' ';
else;
result = 'POST Successful - no response data returned';
endif;
// Procedure to convert "raw" response data to EBCIDC
P incoming B
D incoming PI 10I 0
D descriptor 10I 0 value
D data 8192A options(*varsize)
D datalen 10I 0 value
c eval retlen = (nextpos + datalen) - 1
c if retlen > %size(retdata)
c eval datalen=datalen-(retlen-%size(retdata))
c endif
c if datalen < 1
c return 0
c endif
c eval %subst(retdata: nextpos) =
c %subst(data:1:datalen)
c eval nextpos = nextpos + datalen
c return datalen
P E
*>>> Debug File <<<*
HTTPAPI Ver 1.24 released 2012-01-23
OS/400 Ver V6R1M0
New iconv() objects set, PostRem=819. PostLoc=0. ProtRem=819. ProtLoc=0
WMS Environment: WMSPRD
DHL EasyShip: http://5.0.110.62:2077:2077
http_persist_open(): entered
http_long_ParseURL(): entered
DNS resolver retrans: 10
DNS resolver retry : 5
DNS resolver options: x'00000136'
DNS default domain: BTOL.COM
DNS server found: 5.0.112.158
DNS server found: 5.0.112.156
http_persist_post(): entered
http_persist_req(POST) entered.
http_long_ParseURL(): entered
do_oper(POST): entered
There are 0 cookies in the cache
POST / HTTP/1.1
Host: 5.0.110.62:2077
User-Agent: http-api/1.24
Content-Type: application/x-www-form-urlencoded
Content-Length: 593
senddoc(): entered
xml=<?xml version="1.0" encoding="utf-8"?><req:GetNewWaybillRequest
xmlns:req=[12]"http://www.dhl.com";><Request><ServiceHeader><MessageReference>22<
/MessageReference></ServiceHeader></Request><MessageVersion>2</MessageVersio
n><Shipment><Billing><ShippingPaymentType>S</ShippingPaymentType></Billing><
Consignee><City>SCHAGERBURG</City><PostalCode>1751</PostalCode><CountryCode>
NL</CountryCode></Consignee><ShipmentDetails><Date>2013-05-17</Date><Product
CodeSwiftShip>102</ProductCodeSwiftShip></ShipmentDetails><Shipper><ShipperI
D>BNTWMS</ShipperID></Shipper></Shipment></req:GetNewWaybillRequest>
recvresp(): entered
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<ns1:SevereErrorResponse xmlns:ns1=[13]"http://www.dhl.com";>
<Response>
<ServiceHeader>
<MessageTime>2013-05-17T11:42:57.315-04:00</MessageTime>
<MessageReference>22</MessageReference>
</ServiceHeader>
</Response>
<MessageVersion>2</MessageVersion>
<Status>
<Code>1</Code>
<Message>XML document structures must start and end within the
same entity.</Message>
</Status>
</ns1:SevereErrorResponse>
recvresp(): end with err
http_close(): entered
------------------------------
Message: 2
Date: Fri, 17 May 2013 11:43:25 -0500
From: Scott Klement [14]<sk@xxxxxxxxxxxxxxxx>
To: HTTPAPI and FTPAPI Projects [15]<ftpapi@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: recvresp(): end with err
Message-ID: [16]<51965E2D.9050707@xxxxxxxxxxxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
hi Todd,
The message 'recvresp(): end with err' means that it received a network
error while receiving data from the server. My guess is that the DHL
server is disconnecting immediately after sending the data, and since it
takes some time (albeit, a very small amount of time) to transfer over
the network, HTTPAPI gets the error before it finishes reading the data.
According to the HTTP/1.1 spec, the HTTP server is not supposed to
disconnect unless "connection: close" keyword is used. Otherwise, it's
supposed to keep the connection open so the client can send another
request right away. But yours doesn't appear to be doing this.
You may be able to solve the problem by inserting a 'connection: close'
header using http_xproc() to set an additional header keywords. Or, at
least, that's worth a try.
On 5/17/2013 11:08 AM, Todd Carmosino wrote:
Scott / All -
Posted the same question the other day, hopefully is post makes more
sense...
Why would I receive a "good" response - "recvresp(): entered" with an
XML response from the sever (even though it's an error) then
immediately recevie a "bad" response - "recvresp(): end with err" ?
The request stays inside the company firewall - AS400 to a DHL sever in
the same computer room.
Could there be an issue on the server and/or internal router?
The program is pretty straight forward and a snippet is below, followed
by the debug file.
I've spent a better part of a week on this, and any help would really
be appreciated.
Todd Carmosino
>>> Code Snippet <<<
* Parameter list from calling program...
D MG120RG PR ExtPgm('MG120RG')
D Debug 10A
D dhlesIP 32A
D WMSEnv 10A
D Result 80A
D dhlesIN 32766A
D dhlesOUT 32766A
D MG120RG PI
D Debug 10A
D dhlesIP 32A
D WMSEnv 10A
D Result 80A
D dhlesIN 32766A
D dhlesOUT 32766A
D url s 1024A
D csv s 32766A varying
D retdata s 32766A
D retlen s 10I 0
D nextpos s 10I 0 inz(1)
D debugFile s 100A
D rc s 10I 0
/free
url = %trim(dhlesIP);
csv = 'xml=' + %trim(dhlesIN);
rc = http_url_post_raw(
url
: %addr(csv) + 2
: %len(csv)
: 1
: %paddr('INCOMING')
: HTTP_TIMEOUT
: HTTP_USERAGENT
: 'application/x-www-form-urlencoded' );
if rc <> 1;
result = 'MG120RG: http_url_post_raw failed' + debugFile;
else;
result = 'HTTP POST Success!';
endif;
*inlr = *on;
// Convert the "raw" response data to EBCDIC
if retlen > 3;
http_xlate(retlen: retdata: TO_EBCDIC);
dhlesOUT = %trimr(retdata);
result = ' ';
else;
result = 'POST Successful - no response data returned';
endif;
// Procedure to convert "raw" response data to EBCIDC
P incoming B
D incoming PI 10I 0
D descriptor 10I 0 value
D data 8192A options(*varsize)
D datalen 10I 0 value
c eval retlen = (nextpos + datalen) - 1
c if retlen > %size(retdata)
c eval datalen=datalen-(retlen-%size(retdata))
c endif
c if datalen < 1
c return 0
c endif
c eval %subst(retdata: nextpos) =
c %subst(data:1:datalen)
c eval nextpos = nextpos + datalen
c return datalen
P E
>>> Debug File <<<
HTTPAPI Ver 1.24 released 2012-01-23
OS/400 Ver V6R1M0
New iconv() objects set, PostRem=819. PostLoc=0. ProtRem=819. ProtLoc=0
WMS Environment: WMSPRD
DHL EasyShip: http://5.0.110.62:2077:2077
http_persist_open(): entered
http_long_ParseURL(): entered
DNS resolver retrans: 10
DNS resolver retry : 5
DNS resolver options: x'00000136'
DNS default domain: BTOL.COM
DNS server found: 5.0.112.158
DNS server found: 5.0.112.156
http_persist_post(): entered
http_persist_req(POST) entered.
http_long_ParseURL(): entered
do_oper(POST): entered
There are 0 cookies in the cache
POST / HTTP/1.1
Host: 5.0.110.62:2077
User-Agent: http-api/1.24
Content-Type: application/x-www-form-urlencoded
Content-Length: 593
senddoc(): entered
xml=<?xml version="1.0" encoding="utf-8"?><req:GetNewWaybillRequest
xmlns:req=[1][17]"http://www.dhl.com";><Request><ServiceHeader><MessageRefer
ence>22</MessageReference></ServiceHeader></Request><MessageVersion>2</
MessageVersion><Shipment><Billing><ShippingPaymentType>S</ShippingPayme
ntType></Billing><Consignee><City>SCHAGERBURG</City><PostalCode>1751</P
ostalCode><CountryCode>NL</CountryCode></Consignee><ShipmentDetails><Da
te>2013-05-17</Date><ProductCodeSwiftShip>102</ProductCodeSwiftShip></S
hipmentDetails><Shipper><ShipperID>BNTWMS</ShipperID></Shipper></Shipme
nt></req:GetNewWaybillRequest>
recvresp(): entered
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<ns1:SevereErrorResponse xmlns:ns1=[2][18]"http://www.dhl.com";>
<Response>
<ServiceHeader>
<MessageTime>2013-05-17T11:42:57.315-04:00</MessageTime>
<MessageReference>22</MessageReference>
</ServiceHeader>
</Response>
<MessageVersion>2</MessageVersion>
<Status>
<Code>1</Code>
<Message>XML document structures must start and end within the
same entity.</Message>
</Status>
</ns1:SevereErrorResponse>
recvresp(): end with err
http_close(): entered
References
1. [19]http://www.dhl.com/
2. [20]http://www.dhl.com/
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-------------- next part --------------
hi Todd,
The message 'recvresp(): end with err' means that it received a network
error while receiving data from the server. My guess is that the DHL
server is disconnecting immediately after sending the data, and since
it takes some time (albeit, a very small amount of time) to transfer
over the network, HTTPAPI gets the error before it finishes reading the
data.
According to the HTTP/1.1 spec, the HTTP server is not supposed to
disconnect unless "connection: close" keyword is used. Otherwise, it's
supposed to keep the connection open so the client can send another
request right away. But yours doesn't appear to be doing this.
You may be able to solve the problem by inserting a 'connection: close'
header using http_xproc() to set an additional header keywords. Or, at
least, that's worth a try.
On 5/17/2013 11:08 AM, Todd Carmosino wrote:
Scott / All -
Posted the same question the other day, hopefully is post makes more
sense...
Why would I receive a "good" response - "recvresp(): entered" with an
XML response from the sever (even though it's an error) then
immediately recevie a "bad" response - "recvresp(): end with err" ?
The request stays inside the company firewall - AS400 to a DHL sever in
the same computer room.
Could there be an issue on the server and/or internal router?
The program is pretty straight forward and a snippet is below, followed
by the debug file.
I've spent a better part of a week on this, and any help would really
be appreciated.
Todd Carmosino
>>> Code Snippet <<<
* Parameter list from calling program...
D MG120RG PR ExtPgm('MG120RG')
D Debug 10A
D dhlesIP 32A
D WMSEnv 10A
D Result 80A
D dhlesIN 32766A
D dhlesOUT 32766A
D MG120RG PI
D Debug 10A
D dhlesIP 32A
D WMSEnv 10A
D Result 80A
D dhlesIN 32766A
D dhlesOUT 32766A
D url s 1024A
D csv s 32766A varying
D retdata s 32766A
D retlen s 10I 0
D nextpos s 10I 0 inz(1)
D debugFile s 100A
D rc s 10I 0
/free
url = %trim(dhlesIP);
csv = 'xml=' + %trim(dhlesIN);
rc = http_url_post_raw(
url
: %addr(csv) + 2
: %len(csv)
: 1
: %paddr('INCOMING')
: HTTP_TIMEOUT
: HTTP_USERAGENT
: 'application/x-www-form-urlencoded' );
if rc <> 1;
result = 'MG120RG: http_url_post_raw failed' + debugFile;
else;
result = 'HTTP POST Success!';
endif;
*inlr = *on;
// Convert the "raw" response data to EBCDIC
if retlen > 3;
http_xlate(retlen: retdata: TO_EBCDIC);
dhlesOUT = %trimr(retdata);
result = ' ';
else;
result = 'POST Successful - no response data returned';
endif;
// Procedure to convert "raw" response data to EBCIDC
P incoming B
D incoming PI 10I 0
D descriptor 10I 0 value
D data 8192A options(*varsize)
D datalen 10I 0 value
c eval retlen = (nextpos + datalen) - 1
c if retlen > %size(retdata)
c eval datalen=datalen-(retlen-%size(retdata))
c endif
c if datalen < 1
c return 0
c endif
c eval %subst(retdata: nextpos) =
c %subst(data:1:datalen)
c eval nextpos = nextpos + datalen
c return datalen
P E
>>> Debug File <<<
HTTPAPI Ver 1.24 released 2012-01-23
OS/400 Ver V6R1M0
New iconv() objects set, PostRem=819. PostLoc=0. ProtRem=819. ProtLoc=0
WMS Environment: WMSPRD
DHL EasyShip: http://5.0.110.62:2077:2077
http_persist_open(): entered
http_long_ParseURL(): entered
DNS resolver retrans: 10
DNS resolver retry : 5
DNS resolver options: x'00000136'
DNS default domain: BTOL.COM
DNS server found: 5.0.112.158
DNS server found: 5.0.112.156
http_persist_post(): entered
http_persist_req(POST) entered.
http_long_ParseURL(): entered
do_oper(POST): entered
There are 0 cookies in the cache
POST / HTTP/1.1
Host: 5.0.110.62:2077
User-Agent: http-api/1.24
Content-Type: application/x-www-form-urlencoded
Content-Length: 593
senddoc(): entered
xml=<?xml version="1.0" encoding="utf-8"?><req:GetNewWaybillRequest
xmlns:req=[1][1][22]"http://www.dhl.com";><Request><ServiceHeader><MessageRefe
r
ence>22</MessageReference></ServiceHeader></Request><MessageVersion>2</
MessageVersion><Shipment><Billing><ShippingPaymentType>S</ShippingPayme
ntType></Billing><Consignee><City>SCHAGERBURG</City><PostalCode>1751</P
ostalCode><CountryCode>NL</CountryCode></Consignee><ShipmentDetails><Da
te>2013-05-17</Date><ProductCodeSwiftShip>102</ProductCodeSwiftShip></S
hipmentDetails><Shipper><ShipperID>BNTWMS</ShipperID></Shipper></Shipme
nt></req:GetNewWaybillRequest>
recvresp(): entered
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<ns1:SevereErrorResponse xmlns:ns1=[2][2][23]"http://www.dhl.com";>
<Response>
<ServiceHeader>
<MessageTime>2013-05-17T11:42:57.315-04:00</MessageTime>
<MessageReference>22</MessageReference>
</ServiceHeader>
</Response>
<MessageVersion>2</MessageVersion>
<Status>
<Code>1</Code>
<Message>XML document structures must start and end within the
same entity.</Message>
</Status>
</ns1:SevereErrorResponse>
recvresp(): end with err
http_close(): entered
References
1. [3][24]http://www.dhl.com/
2. [4][25]http://www.dhl.com/
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References
1. [27]http://www.dhl.com/
2. [28]http://www.dhl.com/
3. [29]http://www.dhl.com/
4. [30]http://www.dhl.com/
5. [31]http://www.scottklement.com/mailman/listinfo/ftpapi
------------------------------
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End of Ftpapi Digest, Vol 79, Issue 14
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13. http://www.dhl.com/
14. mailto:sk@xxxxxxxxxxxxxxxx
15. mailto:ftpapi@xxxxxxxxxxxxxxxxxxxxxx
16. mailto:51965E2D.9050707@xxxxxxxxxxxxxxxx
17. http://www.dhl.com/
18. http://www.dhl.com/
19. http://www.dhl.com/
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21. http://www.scottklement.com/mailman/listinfo/ftpapi
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