[jira] [Commented] (DAFFODIL-2574) Cast error when multiplying two unsignedBytes

["Mike Beckerle (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DAFFODIL-2574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17716900#comment-17716900 ] 

Mike Beckerle commented on DAFFODIL-2574:
-----------------------------------------

Moved to target release 3.5.1

 

> Cast error when multiplying two unsignedBytes
> ---------------------------------------------
>
>                 Key: DAFFODIL-2574
>                 URL: https://issues.apache.org/jira/browse/DAFFODIL-2574
>             Project: Daffodil
>          Issue Type: Bug
>          Components: General
>    Affects Versions: 3.1.0
>            Reporter: Kyle Rosales
>            Priority: Major
>             Fix For: 3.5.1
>
>         Attachments: shortCastBug.tdml
>
>
> Ran into an issue when trying to multiple two elements of type unsignedByte together in a `dfdl:occursCount`. It is causing a cast exception trying to convert java.lang.integer to a java.lang.short. I was able to work around it by casing once of the bytes as an integer ` dfdl:occursCount="\{ ../value1 * xs:unsignedInt(../value2) }”`. Attached is a tdml demonstrating the error.
> {code:java}
> org.apache.daffodil.exceptions.Abort: Invariant broken. Runtime.scala - Leaked exception: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Short
> java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Short
> at org.apache.daffodil.infoset.DataValue$.getShort$extension(DataValue.scala:76)
> at org.apache.daffodil.dpath.UnsignedByteToLong$.computeValue(ConverterOps3.scala:94)
> at org.apache.daffodil.dpath.UnsignedByteToLong$.computeValue(ConverterOps3.scala:93)
> {code}



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