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https://issues.apache.org/jira/browse/DAFFODIL-2785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17683938#comment-17683938
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Steve Lawrence commented on DAFFODIL-2785:
------------------------------------------
Looking at the backtrace and code it's not clear how Daffodil is getting into
the state. Seems it happens when the data location is negative which should
never be the case. Must be a bug somewhere. Can you provide a test image that
reproduces the failure?
> Abort: Usage error: startBitAddress0b.>=(0) in from DataLocation.bytePos1b
> after parsing large GIF
> --------------------------------------------------------------------------------------------------
>
> Key: DAFFODIL-2785
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2785
> Project: Daffodil
> Issue Type: Bug
> Affects Versions: 3.3.0
> Environment: RHEL7
> Reporter: Lara Blatchford
> Priority: Major
> Attachments: dfdlconvertapp.zip
>
>
> Abort occurs when calling DataLocation.bytePos1b on the DataLocation object
> returned by ParseResult.location.
> org.apache.daffodil.exceptions.Assert$.abort(Assert.scala:137)
> org.apache.daffodil.io.DataDumper.convertBitsToBytesUnits(Dump.scala:64)
> org.apache.daffodil.processors.DataLoc.x$1$lzycompute(DataLoc.scala:78)
> org.apache.daffodil.processors.DataLoc.x$1(DataLoc.scala:78)
> at org.apache.daffodil.exceptions.Assert$.abort(Assert.scala:137)
> at
> org.apache.daffodil.io.DataDumper.convertBitsToBytesUnits(Dump.scala:64)
> at
> org.apache.daffodil.processors.DataLoc.x$1$lzycompute(DataLoc.scala:78)
> at org.apache.daffodil.processors.DataLoc.x$1(DataLoc.scala:78)
> at
> org.apache.daffodil.processors.DataLoc.bytePos0b$lzycompute(DataLoc.scala:78)
> at org.apache.daffodil.processors.DataLoc.bytePos0b(DataLoc.scala:78)
> at
> org.apache.daffodil.processors.DataLoc.bytePos1b$lzycompute(DataLoc.scala:79)
> at org.apache.daffodil.processors.DataLoc.bytePos1b(DataLoc.scala:79)
> at org.apache.daffodil.japi.DataLocation.bytePos1b(Daffodil.scala:511)
>
> This has been observed with large NITF, GIF and PNG files.
> The attached test app demonstrates the behavior when run as:
> java -d64 dfdl.test.api.dfdl.app.DfdlConverterApp \-schema gif.dfdl.xsd
> \-input GIF-TEST-IMAGE.gif -output out.xml -format xml
> GIF-TEST-IMAGE.gif is too large to attach but can be provided
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