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https://issues.apache.org/jira/browse/DAFFODIL-2961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Adams resolved DAFFODIL-2961.
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Fix Version/s: 3.10.0
Resolution: Fixed
This has been fixed in commit eb9f4f57a94bb63bc2b364673eacd4424fe55fc1
> When using a bcd element as length for a subsequent field a
> ClassCastException is thrown
> -----------------------------------------------------------------------------------------
>
> Key: DAFFODIL-2961
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2961
> Project: Daffodil
> Issue Type: Bug
> Components: CLI, DFDL Schemas
> Affects Versions: 3.9.0
> Reporter: Deyan Atanasov
> Assignee: Josh Adams
> Priority: Major
> Fix For: 3.10.0
>
>
> I am trying to use a BCD number as a lenght parameter, when parsing an
> ISO8583 dialect.
> Here is the corresponding schema:
> <xs:element dfdl:binaryNumberRep="bcd" dfdl:length="1"
> dfdl:occursCount="\{/ISO8583OpenWay/PrimaryBitmap/Bit002}"
> dfdl:representation="binary" maxOccurs="1" minOccurs="0" name="Len_002"
> type="xs:unsignedInt">
> </xs:element>
> <!-- TODO fix to be calculated -->
> <xs:element dfdl:length="\{xs:int(fn:ceiling(/ISO8583OpenWay/Len_002[1] div
> 2) )}" dfdl:lengthKind="explicit"
> dfdl:occursCount="\{xs:unsignedInt(/ISO8583OpenWay/PrimaryBitmap/Bit002)}"
> ibmDfdlExtn:sampleValue="1111111111111111111" minOccurs="0"
> name="PrimaryAccountNumber_002" type="isotyp:Type_b_hexBinary">
> </xs:element>
> and here is the output from the CLI:
> <Len_002>16</Len_002>
> <PrimaryAccountNumber_002></PrimaryAccountNumber_002>
> and an eception is throwned:
> org.apache.daffodil.lib.exceptions.Abort: Invariant broken. Runtime.scala -
> Leaked exception: java.lang.ClassCastException: class java.math.BigInteger
> cannot be cast to class java.lang.Long (java.math.BigInteger and
> java.lang.Long are in module java.base of loader 'bootstrap')
> java.lang.ClassCastException: class java.math.BigInteger cannot be cast to
> class java.lang.Long (java.math.BigInteger and java.lang.Long are in module
> java.base of loader 'bootstrap')
> at
> org.apache.daffodil.runtime1.infoset.DataValue$.getLong$extension(DataValue.scala:91)
>
> How can I code the Len_002 field so to bypass the exception ?
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