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https://issues.apache.org/jira/browse/DAFFODIL-2626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Lawrence updated DAFFODIL-2626:
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Fix Version/s: 4.2.0
(was: 4.1.0)
> Circular deadlock when computing stored length around prefixed-length elements
> ------------------------------------------------------------------------------
>
> Key: DAFFODIL-2626
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2626
> Project: Daffodil
> Issue Type: Bug
> Components: Back End
> Affects Versions: 3.2.1
> Reporter: Mike Beckerle
> Assignee: Josh Adams
> Priority: Major
> Fix For: 4.2.0
>
>
> I have a small schema with a messageLength element as the first element,
> which has outputValueCalc on the message payload.
> The message payload contains prefixed-length strings.
> I get a deadlock on unparsing:
> {code}
> org.apache.daffodil.tdml.TDMLExceptionImpl: (Implementation: daffodil)
> SuspensionDeadlockException: Runtime Schema Definition Error:
> Expressions/Unparsers are circularly deadlocked (mutually defined):
> - SimpleTypeRetryUnparserSuspendableOperation for messageLength
> - ElementUnusedUnparserSuspendableOperation for payload
> - AlignmentFillUnparserSuspendableOperation for address
> Schema context: messageLength Location line 59 column 18 in
> file:/tmp/s__3044777217024912267.dfdl.xsd
> Data location was preceding byte 0
> {code}
> See test test_computedLengthAroundPrefixedLengths1u
> Test test_computedLengthAroundPrefixedLengths1p is the same thing, just
> testing the parse direction.
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