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https://issues.apache.org/jira/browse/DAFFODIL-2431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17231738#comment-17231738
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Steve Lawrence commented on DAFFODIL-2431:
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I am able to reproduce this issue. Note that the cutoff abort message says:
{code:java}
Invariant broken. Single suspended expression making no forward progress.
SuppressableSeparatorUnparserSuspendableOperation for record {code}
> CSV data causes abort
> ---------------------
>
> Key: DAFFODIL-2431
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2431
> Project: Daffodil
> Issue Type: Bug
> Components: Back End, Unparsing
> Affects Versions: 2.7.0
> Reporter: Mike Beckerle
> Assignee: Steve Lawrence
> Priority: Major
> Attachments: RE _Abort _Invariant_broken_in_Daffodil_2.7.0.zip
>
>
> User reported getting this backtrace. Notice first line is a fragment
> message. So something is clearly wrong here. Files to reproduce are attached.
> This is related to unparser suspensions somehow.
> ```
> Exception in thread "Thread-1" org.apache.daffodil.exceptions.Abort:
> Invariant broken. Single suspended expression making
> org.apache.daffodil.exceptions.Assert$.abort(Assert.scala:120)
> org.apache.daffodil.exceptions.Assert$.invariantFailed(Assert.scala:166)
> org.apache.daffodil.processors.unparsers.UStateMain.evalSuspensions(UState.scala:647)
> org.apache.daffodil.processors.DataProcessor.unparse(DataProcessor.scala:538)
> at org.apache.daffodil.exceptions.Assert$.abort(Assert.scala:120)
> at org.apache.daffodil.exceptions.Assert$.invariantFailed(Assert.scala:166)
> at
> org.apache.daffodil.processors.unparsers.UStateMain.evalSuspensions(UState.scala:647)
> at
> org.apache.daffodil.processors.DataProcessor.unparse(DataProcessor.scala:538)
> at
> org.apache.daffodil.processors.DataProcessor.unparse(DataProcessor.scala:511)
> at org.apache.daffodil.japi.DataProcessor.unparse(Daffodil.scala:730)
> at
> mil.af.rl.filter.dfdl.impl.DFDLConverterImpl.translateFromXML(DFDLConverterImpl.java:130)
> at
> mil.af.rl.filter.dfdl.TranslateFromXMLFilter.getDFDLResult(TranslateFromXMLFilter.java:47)
> at mil.af.rl.filter.dfdl.DFDLFilterBase.filter(DFDLFilterBase.java:108)
> ```
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