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| DFDL Schema suddenly invalid? |
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| simonalexander2005 |
 Posted: Mon Apr 26, 2021 4:54 am Post subject: DFDL Schema suddenly invalid? |
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Acolyte
Joined: 13 Jun 2016
Posts: 55
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I have developed several DFDL schemas under IIB9; but now I have installed IIB10 toolkit the schemas appear to be invalid. Has there been a change to the DFDL specification recently?
In my schemas, I have a "Header" element, with length-kind implicit; then that contains a sequence of elements with the lengths set. I don't, however, set the length-kind on those elements.
This has always worked fine in the past, but now when I try to test-parse a model I get an exception that the length-kind has to be set (CTDP3129E: DFDL property 'lengthKind' must be set.)
I haven't changed the schema at all, so can anyone help me understand what's changed?
Sample element:
| Code: |
<xsd:element dfdl:lengthKind="implicit" name="Header">
<xsd:complexType>
<xsd:sequence>
<xsd:element default="" dfdl:length="4" ibmDfdlExtn:sampleValue="" name="Type" type="xsd:string"/>
<xsd:element default="" dfdl:length="14" ibmDfdlExtn:sampleValue="" name="QueueTime" type="xsd:string"/>
<xsd:element default="" dfdl:length="20" ibmDfdlExtn:sampleValue="" name="SSID" type="xsd:string"/>
<xsd:element default="" dfdl:length="20" ibmDfdlExtn:sampleValue="" name="ODS" type="xsd:string"/>
<xsd:element default="" dfdl:length="8" ibmDfdlExtn:sampleValue="" name="UID" type="xsd:string"/>
<xsd:element default="" dfdl:length="8" ibmDfdlExtn:sampleValue="" name="SDID" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element> |
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| abhi_thri |
| Posted: Mon Apr 26, 2021 9:16 pm Post subject: |
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Knight
Joined: 17 Jul 2017
Posts: 516
Location: UK
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hi...the v10 infocenter list this as a DFDL 1.0 specification requirement,
| Quote: |
CTDP3129
DFDL property 'lengthKind' must be set. Element '<insert_0>'.
Severity
20 : Error
Explanation
DFDL 1.0 specification requires that every element has a value set for 'lengthKind'.
Response
Correct the DFDL schema. |
So may be it was not enforced in v9, you could refer to DFDL 1.0 specification to crosscheck that it is indeed required as IBM states, if not raise a PMR for IBM to investigate. |
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| simonalexander2005 |
| Posted: Tue Apr 27, 2021 12:15 am Post subject: |
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Acolyte
Joined: 13 Jun 2016
Posts: 55
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I've read the specification (https://www.ibm.com/docs/en/integration-bus/10.0?topic=SSMKHH_10.0.0/com.ibm.dfdl.spec.doc/dfdl_index.htm#d1.4) and although examples show lengthKind being used, I can't see any formal declaration that it's required one way or the other.
I've then asked a colleague to try it on their IIB10 toolkit and it shows the lengthKind as explicit, as well as filling in a lot of other information with defaults - so it looks like it's an issue with my toolkit installation. Any ideas on how I can go about troubleshooting this? |
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| abhi_thri |
| Posted: Tue Apr 27, 2021 10:51 am Post subject: |
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Knight
Joined: 17 Jul 2017
Posts: 516
Location: UK
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| hi...verify that you both are using the exact version of the Toolkit and the DFDL model, if both are same try reinstalling toolkit to a different location and see |
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