[
https://issues.apache.org/jira/browse/DAFFODIL-2123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Olabusayo Kilo reassigned DAFFODIL-2123:
----------------------------------------
Assignee: Olabusayo Kilo
> Exception on error when parsing hex data with trace on
> ------------------------------------------------------
>
> Key: DAFFODIL-2123
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2123
> Project: Daffodil
> Issue Type: Bug
> Components: Back End, Diagnostics
> Affects Versions: 2.4.0
> Reporter: Olabusayo Kilo
> Assignee: Olabusayo Kilo
> Priority: Major
> Attachments: tcp.dfdl.xsd, test.dump
>
>
> When trying to parse hex data with an xsd than causes an error with trace on,
> I get the error below.
> {code:java}
> org.apache.daffodil.exceptions.Abort: Invariant broken: nConsumedBytes.>(0)
> org.apache.daffodil.exceptions.Assert$.abort(Assert.scala:129)
> org.apache.daffodil.io.DataDumper.convertToChar(Dump.scala:489)
> org.apache.daffodil.io.DataDumper.textDump(Dump.scala:150)
> org.apache.daffodil.io.DataDumper.$anonfun$dumpHexAndTextBytes$2(Dump.scala:297)
> at org.apache.daffodil.exceptions.Assert$.abort(Assert.scala:129)
> at org.apache.daffodil.io.DataDumper.convertToChar(Dump.scala:489)
> at org.apache.daffodil.io.DataDumper.textDump(Dump.scala:150)
> at
> org.apache.daffodil.io.DataDumper.$anonfun$dumpHexAndTextBytes$2(Dump.scala:297)
> at scala.runtime.java8.JFunction1$mcVJ$sp.apply(JFunction1$mcVJ$sp.java:12)
> at scala.collection.immutable.NumericRange.foreach(NumericRange.scala:71)
> at org.apache.daffodil.io.DataDumper.dumpHexAndTextBytes(Dump.scala:264)
> at org.apache.daffodil.io.DataDumper.dump(Dump.scala:129)
> at org.apache.daffodil.processors.DataLoc.dumpStream(DataLoc.scala:144)
> at org.apache.daffodil.processors.DataLoc.dump(DataLoc.scala:104)
> at
> org.apache.daffodil.debugger.InteractiveDebugger$DebugCommandBase$Info$InfoData$.printData(InteractiveDebugger.scala:1313)
> at
> org.apache.daffodil.debugger.InteractiveDebugger$DebugCommandBase$Info$InfoData$.act(InteractiveDebugger.scala:1346)
> at
> org.apache.daffodil.debugger.InteractiveDebugger$DebugCommandBase$Info$.$anonfun$act$20(InteractiveDebugger.scala:1202)
> at scala.collection.IndexedSeqOptimized.foreach(IndexedSeqOptimized.scala:32)
> at scala.collection.IndexedSeqOptimized.foreach$(IndexedSeqOptimized.scala:29)
> at scala.collection.mutable.WrappedArray.foreach(WrappedArray.scala:38)
> at
> org.apache.daffodil.debugger.InteractiveDebugger$DebugCommandBase$Info$.act(InteractiveDebugger.scala:1200)
> at
> org.apache.daffodil.debugger.InteractiveDebugger$DebugCommandBase$.act(InteractiveDebugger.scala:682)
> at
> org.apache.daffodil.debugger.InteractiveDebugger$DebugCommand.apply(InteractiveDebugger.scala:472)
> at
> org.apache.daffodil.debugger.InteractiveDebugger.runCommand(InteractiveDebugger.scala:433)
> at
> org.apache.daffodil.debugger.InteractiveDebugger.$anonfun$debugStep$4(InteractiveDebugger.scala:174)
> at scala.collection.immutable.List.foreach(List.scala:389)
> at
> scala.collection.generic.TraversableForwarder.foreach(TraversableForwarder.scala:35)
> at
> scala.collection.generic.TraversableForwarder.foreach$(TraversableForwarder.scala:35)
> at scala.collection.mutable.ListBuffer.foreach(ListBuffer.scala:44)
> at
> org.apache.daffodil.debugger.InteractiveDebugger.$anonfun$debugStep$1(InteractiveDebugger.scala:173)
> at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
> at scala.util.DynamicVariable.withValue(DynamicVariable.scala:58)
> at
> org.apache.daffodil.ExecutionMode$.$anonfun$usingUnrestrictedMode$1(ExecutionMode.scala:66)
> at
> org.apache.daffodil.debugger.InteractiveDebugger.debugStep(InteractiveDebugger.scala:153)
> at
> org.apache.daffodil.debugger.InteractiveDebugger.startElement(InteractiveDebugger.scala:209)
> at
> org.apache.daffodil.events.MultipleEventHandler.$anonfun$startElement$1(ParseEventHandler.scala:117)
> at
> org.apache.daffodil.events.MultipleEventHandler.$anonfun$startElement$1$adapted(ParseEventHandler.scala:117)
> at scala.collection.immutable.List.foreach(List.scala:389)
> at
> org.apache.daffodil.events.MultipleEventHandler.startElement(ParseEventHandler.scala:117)
> at
> org.apache.daffodil.events.MultipleEventHandler.startElement$(ParseEventHandler.scala:115)
> at org.apache.daffodil.processors.DataProcessor.startElement(Runtime.scala:92)
> at
> org.apache.daffodil.processors.parsers.ElementParserBase.parse(ElementCombinator1.scala:141)
> at org.apache.daffodil.processors.parsers.Parser.parse1(Parser.scala:76)
> at org.apache.daffodil.processors.parsers.Parser.parse1$(Parser.scala:70)
> at
> org.apache.daffodil.processors.parsers.CombinatorParser.parse1(Parser.scala:154)
> at org.apache.daffodil.processors.DataProcessor.doParse(Runtime.scala:223)
> at
> org.apache.daffodil.processors.DataProcessor.$anonfun$parse$1(Runtime.scala:196)
> at scala.util.DynamicVariable.withValue(DynamicVariable.scala:58)
> at
> org.apache.daffodil.ExecutionMode$.$anonfun$usingRuntimeMode$1(ExecutionMode.scala:65)
> at org.apache.daffodil.processors.DataProcessor.parse(Runtime.scala:188)
> at org.apache.daffodil.processors.DataProcessor.parse(Runtime.scala:184)
> at org.apache.daffodil.Main$.$anonfun$run$1(Main.scala:862)
> at org.apache.daffodil.util.Timer$.getTimeResult(Timer.scala:76)
> at org.apache.daffodil.util.Timer$.getResult(Timer.scala:35)
> at org.apache.daffodil.Main$.run(Main.scala:862)
> at org.apache.daffodil.Main$.main(Main.scala:1361)
> at org.apache.daffodil.Main.main(Main.scala)
> {code}
> To replicate the error, the following can be done
> {code:java}
> daffodil --trace parse -Dtransport:Protocol=6 transport:DataLength=79 -s
> tcp.dfdl.xsd test.dump{code}
> If run without --trace, one gets the error below
> {code:java}
> [warning] Schema Definition Warning: Expression result type (Decimal) should
> be manually cast to the expected type (UnsignedInt) with the appropriate
> constructor. Performing deprecated automatic conversion.
> Schema context: DataOffset Location line 136 column 16 in file:tcp.dfdl.xsd
> [error] Parse Error: Insufficient bits in data. Needed 96 bit(s).
> Schema context: Options Location line 143 column 16 in file:tcp.dfdl.xsd
> Data location was preceding byte 20
> {code}
> Attached is the extracted form of tcp from the public PCAP schema:
> [https://github.com/DFDLSchemas/PCAP/blob/master/src/main/resources/com/tresys/pcap/xsd/pcap.dfdl.xsd]
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