Observing error while unpacking respone data in Jmeter using ISO8583 plugin

Dinesh RK

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Oct 28, 2024, 4:15:26 AM10/28/24

to jPOS Users

I am able to send a request successfully to the server and get a response back as well. When unpacking fields from response data, I observe an error in Field #48, but when I decode the bitmap, Field #48 is not present.
Response data:
2024-10-28 04:02:38,592 ERROR n.c.b.j.i.Q2: (channel/XX.XXX.XX.XX:12345) [receive] --- header ---

2024-10-28 04:02:38,592 ERROR n.c.b.j.i.Q2: (channel/XX.XXX.XX.XX:12345) [receive]

0000 16 01 02 00 BD 00 00 00 00 00 00 00 00 00 00 00 ................

0010 00 00 00 00 00 00 ......

BITMAP : 722022810AD08202

2024-10-28 04:02:38,592 ERROR n.c.b.j.i.Q2: (channel/XX.XXX.XX.XX:12345) [receive] --- data ---

2024-10-28 04:02:38,592 ERROR n.c.b.j.i.Q2: (channel/XX.XXX.XX.XX:12345) [receive]

0000 01 10 72 20 22 81 0A D0 82 02 10 XX XX XX XX XX

0010 XX XX XX 00 00 00 00 00 00 00 12 00 08 21 06 57

0020 20 18 45 66 08 26 00 00 00 06 44 10 03 F4 F2 F2

0030 F1 F0 F6 F1 F8 F3 F9 F8 F8 F1 F9 E3 C5 D9 D4 C9

0040 C4 F0 F1 E2 88 85 93 84 96 95 40 E2 98 A4 81 99

0050 85 40 02 F5 E8 08 26 49 01 00 46 9A 03 08 11 05

0060 9C 01 00 9F 02 06 00 00 00 00 12 00 9F 03 06 00

0070 00 00 00 00 00 9F 10 07 06 09 0A 03 A4 00 00 9F

0080 1A 02 08 26 9F 26 08 01 23 45 67 89 AB CD EF 9F

0090 33 03 E0 E0 E0 9F 36 02 00 FF 9F 37 04 9B AD BC

00a0 AB 05 80 00 00 00 02

2024-10-28 04:02:38,592 ERROR n.c.b.j.i.Q2: (org.jpos.q2.iso.ChannelAdaptor) channel-receiver-jmeter-bdc26f30-receive

2024-10-28 04:02:38,592 ERROR n.c.b.j.i.Q2: (org.jpos.q2.iso.ChannelAdaptor) org.jpos.iso.IFB_LLLCHAR: Problem unpacking field 48 (org.jpos.iso.ISOException: Field length 100 too long. Max: 88) unpacking field=48, consumed=88

org.jpos.iso.ISOException: org.jpos.iso.IFB_LLLCHAR: Problem unpacking field 48 (org.jpos.iso.ISOException: Field length 100 too long. Max: 88) unpacking field=48, consumed=88

at org.jpos.iso.ISOBasePackager.unpack(ISOBasePackager.java:341) ~[jpos-2.1.8.jar:2.1.8]

at org.jpos.iso.ISOMsg.unpack(ISOMsg.java:479) ~[jpos-2.1.8.jar:2.1.8]

at org.jpos.iso.BaseChannel.unpack(BaseChannel.java:978) ~[jpos-2.1.8.jar:2.1.8]

at org.jpos.iso.BaseChannel.receive(BaseChannel.java:748) ~[jpos-2.1.8.jar:2.1.8]

at org.jpos.q2.iso.ChannelAdaptor$Receiver.run(ChannelAdaptor.java:333) [jpos-2.1.8.jar:2.1.8]

at java.lang.Thread.run(Thread.java:748) [?:1.8.0_144]

XML Used:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>

<!DOCTYPE isopackager PUBLIC

"-//jPOS/jPOS Generic Packager DTD 1.0//EN"

http://jpos.org/dtd/generic-packager-1.0.dtd>

<isofield

id="0"

length="4"

name="Message Type Indicator"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="1"

length="16"

name="Bitmap"

class="org.jpos.iso.IFB_BITMAP"/>

<isofield

id="2"

length="16"

name="Primary Account number"

pad="false"

class="org.jpos.iso.IFB_LLHNUM"/>

<isofield

id="3"

length="6"

name="Processing Code"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="4"

length="12"

name="Amount, Transaction"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="5"

length="12"

name="Amount, Reconciliation"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="6"

length="12"

name="Amount, Cardholder billing"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="7"

length="10"

name="Date and time, transmission"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="8"

length="8"

name="Amount, Cardholder billing fee"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="9"

length="8"

name="Conversion rate, Reconciliation"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="10"

length="8"

name="Conversion rate, Cardholder billing"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="11"

length="6"

name="Systems trace audit number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="12"

length="12"

name="Date and time, Local transaction"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="13"

length="4"

name="Date, Effective"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="14"

length="4"

name="Date, Expiration"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="15"

length="6"

name="Date, Settlement"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="16"

length="4"

name="Date, Conversion"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="17"

length="4"

name="Date, Capture"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="18"

length="4"

name="Merchant type"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="19"

length="4"

name="Country code, Acquiring institution"

pad="true"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="20"

length="3"

name="Country code, Primary account number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="21"

length="3"

name="Country code, Forwarding institution"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="22"

length="4"

name="Point of service data code"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="23"

length="3"

name="Card sequence number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="24"

length="3"

name="Function code"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="25"

length="2"

name="Message reason code"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="26"

length="4"

name="Card acceptor business code"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="27"

length="1"

name="Approval code length"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="28"

length="9"

name="Date, Reconciliation"

pad="false"

class="org.jpos.iso.IFE_CHAR"/>

<isofield

id="29"

length="3"

name="Reconciliation indicator"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="30"

length="24"

name="Amounts, original"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="31"

length="99"

name="Acquirer reference data"

class="org.jpos.iso.IFB_LLCHAR"/>

<isofield

id="32"

length="11"

name="Acquirer institution ident code"

pad="false"

class="org.jpos.iso.IFB_LLNUM"/>

<isofield

id="33"

length="11"

name="Forwarding institution ident code"

pad="false"

class="org.jpos.iso.IFB_LLNUM"/>

<isofield

id="34"

length="28"

name="Primary account number, extended"

class="org.jpos.iso.IFB_LLCHAR"/>

<isofield

id="35"

length="38"

name="Track 2 data"

pad="true"

class="org.jpos.iso.IFB_LLHNUM"/>

<isofield

id="36"

length="104"

name="Track 3 data"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="37"

length="12"

name="Retrieval reference number"

class="org.jpos.iso.IFE_CHAR"/>

<isofield

id="38"

length="6"

name="Approval code"

class="org.jpos.iso.IF_CHAR"/>

<isofield

id="39"

length="2"

name="Action code"

pad="false"

class="org.jpos.iso.IFE_CHAR"/>

<isofield

id="40"

length="3"

name="Service code"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="41"

length="8"

name="Card acceptor terminal identification"

class="org.jpos.iso.IFE_CHAR"/>

<isofield

id="42"

length="15"

name="Card acceptor identification code"

class="org.jpos.iso.IFE_CHAR"/>

<isofield

id="43"

length="40"

name="Card acceptor name/location"

class="org.jpos.iso.IFE_CHAR"/>

<isofieldpackager id="44"

name="Additional data"

length="3"

class="org.jpos.iso.IF_CHAR"

packager="org.jpos.iso.packager.GenericSubFieldPackager"

emitBitmap="false"

maxValidField="2">

<isofield id="1"

name="Length"

length="1"

pad="true"

class="org.jpos.iso.IFB_BINARY"/>

<isofield id="2"

name="Value"

length="2"

pad="false"

class="org.jpos.iso.IFE_CHAR"/>

</isofieldpackager>

<isofield

id="45"

length="76"

name="Track 1 data"

class="org.jpos.iso.IFB_LLCHAR"/>

<isofield

id="46"

length="204"

name="Amounts, Fees"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="47"

length="999"

name="Additional data - national"

class="org.jpos.iso.IFB_LLLBINARY"/>

<isofield

id="48"

length="999"

name="Additional data - private"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="49"

length="4"

name="Currency code, Transaction"

pad="true"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="50"

length="3"

name="Currency code, Reconciliation"

class="org.jpos.iso.IF_CHAR"/>

<isofield

id="51"

length="3"

name="Currency code, Cardholder billing"

class="org.jpos.iso.IF_CHAR"/>

<isofield

id="52"

length="8"

name="Personal identification number [PIN] data"

class="org.jpos.iso.IFB_BINARY"/>

<isofield

id="53"

length="48"

name="Security related control information"

class="org.jpos.iso.IFB_LLBINARY"/>

<isofield

id="54"

length="120"

name="Amounts, additional"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofieldpackager id="55"

name="ICC"

length="99"

class="org.jpos.iso.IF_CHAR"

packager="org.jpos.iso.packager.GenericSubFieldPackager"

emitBitmap="false"

maxValidField="20">

<isofield id="1"

name="Fieldlength"

length="2"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield id="2"

name="TAGS"

length="98"

pad="false"

class="org.jpos.iso.IFB_BINARY"/>

</isofieldpackager>

<isofield

id="56"

length="35"

name="Original data elements"

pad="false"

class="org.jpos.iso.IFB_LLNUM"/>

<isofield

id="57"

length="3"

name="Authorization life cycle code"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="58"

length="11"

name="Authorizing agent institution Id Code"

pad="false"

class="org.jpos.iso.IFB_LLNUM"/>

<isofield

id="59"

length="999"

name="Transport data"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="60"

length="4"

name="Reserved for national use"

class="org.jpos.iso.IFB_LLBINARY"/>

<isofield

id="61"

length="999"

name="Reserved for national use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="62"

length="8"

name="Reserved for private use"

class="org.jpos.iso.IFB_LLBINARY"/>

<isofield

id="63"

length="5"

name="Reserved for private use"

class="org.jpos.iso.IFB_LLBINARY"/>

<isofield

id="64"

length="8"

name="Message authentication code field"

class="org.jpos.iso.IFB_BINARY"/>

<isofield

id="65"

length="8"

name="Reserved for ISO use"

class="org.jpos.iso.IFB_BINARY"/>

<isofield

id="66"

length="204"

name="Amounts, original fees"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="67"

length="2"

name="Extended payment data"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="68"

length="3"

name="Country code, receiving institution"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="69"

length="3"

name="Country code, settlement institution"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="70"

length="3"

name="Country code, authorizing agent Inst."

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="71"

length="8"

name="Message number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="72"

length="999"

name="Data record"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="73"

length="6"

name="Date, action"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="74"

length="10"

name="Credits, number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="75"

length="10"

name="Credits, reversal number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="76"

length="10"

name="Debits, number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="77"

length="10"

name="Debits, reversal number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="78"

length="10"

name="Transfer, number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="79"

length="10"

name="Transfer, reversal number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="80"

length="10"

name="Inquiries, number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="81"

length="10"

name="Authorizations, number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="82"

length="10"

name="Inquiries, reversal number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="83"

length="10"

name="Payments, number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="84"

length="10"

name="Payments, reversal number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="85"

length="10"

name="Fee collections, number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="86"

length="16"

name="Credits, amount"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="87"

length="16"

name="Credits, reversal amount"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="88"

length="16"

name="Debits, amount"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="89"

length="16"

name="Debits, reversal amount"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="90"

length="10"

name="Authorizations, reversal number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="91"

length="3"

name="Country code, transaction Dest. Inst."

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="92"

length="3"

name="Country code, transaction Orig. Inst."

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="93"

length="11"

name="Transaction Dest. Inst. Id code"

pad="false"

class="org.jpos.iso.IFB_LLNUM"/>

<isofield

id="94"

length="11"

name="Transaction Orig. Inst. Id code"

pad="false"

class="org.jpos.iso.IFB_LLNUM"/>

<isofield

id="95"

length="99"

name="Card issuer reference data"

class="org.jpos.iso.IFB_LLCHAR"/>

<isofield

id="96"

length="999"

name="Key management data"

class="org.jpos.iso.IFB_LLLBINARY"/>

<isofield

id="97"

length="17"

name="Amount, Net reconciliation"

pad="false"

class="org.jpos.iso.IFB_AMOUNT"/>

<isofield

id="98"

length="25"

name="Payee"

class="org.jpos.iso.IF_CHAR"/>

<isofield

id="99"

length="11"

name="Settlement institution Id code"

class="org.jpos.iso.IFB_LLCHAR"/>

<isofield

id="100"

length="11"

name="Receiving institution Id code"

pad="false"

class="org.jpos.iso.IFB_LLNUM"/>

<isofield

id="101"

length="17"

name="File name"

class="org.jpos.iso.IFB_LLCHAR"/>

<isofield

id="102"

length="28"

name="Account identification 1"

class="org.jpos.iso.IFB_LLCHAR"/>

<isofield

id="103"

length="28"

name="Account identification 2"

class="org.jpos.iso.IFB_LLCHAR"/>

<isofield

id="104"

length="100"

name="Transaction description"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="105"

length="16"

name="Credits, Chargeback amount"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="106"

length="16"

name="Debits, Chargeback amount"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="107"

length="10"

name="Credits, Chargeback number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="108"

length="10"

name="Debits, Chargeback number"

pad="false"

class="org.jpos.iso.IFB_NUMERIC"/>

<isofield

id="109"

length="84"

name="Credits, Fee amounts"

class="org.jpos.iso.IFB_LLCHAR"/>

<isofield

id="110"

length="84"

name="Debits, Fee amounts"

class="org.jpos.iso.IFB_LLCHAR"/>

<isofield

id="111"

length="999"

name="Reserved for ISO use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="112"

length="999"

name="Reserved for ISO use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="113"

length="999"

name="Reserved for ISO use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="114"

length="999"

name="Reserved for ISO use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="115"

length="999"

name="Reserved for ISO use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="116"

length="999"

name="Reserved for national use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="117"

length="999"

name="Reserved for national use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="118"

length="999"

name="Reserved for national use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="119"

length="999"

name="Reserved for national use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="120"

length="999"

name="Reserved for national use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="121"

length="999"

name="Reserved for national use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="122"

length="999"

name="Reserved for national use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofieldpackager id="123"

name="Additional data"

length="26"

class="org.jpos.iso.IFB_BINARY"

packager="org.jpos.iso.packager.GenericSubFieldPackager"

emitBitmap="false"

maxValidField="2">

<isofield id="1"

name="Length"

length="1"

pad="true"

class="org.jpos.iso.IFB_BINARY"/>

<isofield id="2"

name="Value"

length="25"

pad="false"

class="org.jpos.iso.IFE_CHAR"/>

</isofieldpackager>

<isofield

id="124"

length="999"

name="Reserved for private use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="125"

length="999"

name="Reserved for private use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="126"

length="999"

name="Reserved for private use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="127"

length="999"

name="Reserved for private use"

class="org.jpos.iso.IFB_LLLCHAR"/>

<isofield

id="128"

length="8"

name="Message authentication code field"

class="org.jpos.iso.IFB_BINARY"/>

</isopackager>

Mark Salter

unread,

Oct 28, 2024, 4:24:08 AM10/28/24

to jpos-...@googlegroups.com

When you and when your jpos packager reads the bitmap must be different then.

First check that your packager matches the specification from the system you are sending to and that is replying.

Any header data, and format of length, MTI and Bitmap need to match (packager to spec).

There will be a difference or error in the packager to cause the misalignment to the message content to cause jpos to think field 48 is present.

You need to make this check against the specification.
Of course, do not share any specification details here without explicit permission of the copyright holder.

--
Mark

-------- Original Message --------

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Andrés Alcarraz

unread,

Oct 28, 2024, 9:30:03 AM10/28/24

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You probably have a misalignment due to the header.

The best first thing you want to do is to add a logger to the packager, I don’t know how you can see them in jMeter, but you could use jPOS-EE client simulator to get the configuration right; and then move to using jMeter, or perhaps stick with the client simulator, this post is old, but I bet it will work for you.

I would also suggest you to handle the header at the channel level and not in the packager. Remove the headerLength attribute from the packager, and then put 0000000000000000000000 as the channel’s header, this will tell the channel what length to expect for the header of the incoming messages.

I take you are using the configuration from this SO post, so you would also need to remove the override-header property, so that the channel uses the message’s header, instead of overriding it.

Hope this helps.

Andrés Alcarraz

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Mark Salter

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Oct 28, 2024, 1:16:07 PM10/28/24

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I got a direct reply and I have told the OP to reply here instead.

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Dinesh RK

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Oct 28, 2024, 1:59:40 PM10/28/24

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Hi,

I compared the response received in Jmeter with the response received in the VTS tool, and both matched. The request message that i am posting to the server has been processed successfully and getting back response as well. Is there any other work around to identify where the issue is ?

Regards,

Dinesh

Dinesh RK

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Oct 28, 2024, 1:59:40 PM10/28/24

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Hi,

I cross-verified the response received in Jmeter with the response received in the VTS tool, and both are matching. The request message which i am posting to the server has been processed successfully as well. Is there any way to identify the issue?

On Monday 28 October 2024 at 13:54:08 UTC+5:30 Mark Salter wrote:

Mark Salter

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Oct 28, 2024, 2:13:45 PM10/28/24

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There must be a difference.

If you can send but not receive I would think bitmap definition rather than anything at the channel level.

Add a longer to your packager to see what mere it is misaligned and to the Channel if it arrives misaligned.

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Andrés Alcarraz

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Oct 28, 2024, 2:47:58 PM10/28/24

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Did you try my suggestions?

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Enviado desde mi móvil, disculpas por la brevedad.

Sent from my cellphone, I apologize for the brevity.

Andrés Alcarraz.

chhil

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Oct 28, 2024, 8:49:50 PM10/28/24

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You mention VTS, so you are doing Visa testing.
Are you using the correct channel , VAPChannel that handles the special visa header?

Have you setup vts correctly for the 2 byte length header?

-chhil

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Mark Salter

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Oct 29, 2024, 8:12:02 AM10/29/24

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*Logger !!

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