dfdl:lengthPattern="[a-z]{1, 2}"

edu.illinois.ncsa.daffodil.exceptions.Abort: Invariant broken. Runtime parsers should not throw exceptions: java.util.regex.PatternSyntaxException: Unclosed counted closure near index 8

[a-z]{1, 2}

        ^

edu.illinois.ncsa.daffodil.exceptions.Assert$.abort(Assert.scala:87)

edu.illinois.ncsa.daffodil.exceptions.Assert$.invariantFailed(Assert.scala:128)

edu.illinois.ncsa.daffodil.processors.AltCompParser$$anonfun$parse$4.apply(Parser.scala:400)

edu.illinois.ncsa.daffodil.processors.AltCompParser$$anonfun$parse$4.apply(Parser.scala:392)

        at edu.illinois.ncsa.daffodil.exceptions.Assert$.abort(Assert.scala:87)

        at edu.illinois.ncsa.daffodil.exceptions.Assert$.invariantFailed(Assert.scala:128)

        at edu.illinois.ncsa.daffodil.processors.AltCompParser$$anonfun$parse$4.apply(Parser.scala:400)

        at edu.illinois.ncsa.daffodil.processors.AltCompParser$$anonfun$parse$4.apply(Parser.scala:392)

        at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)

        at scala.collection.immutable.List.foreach(List.scala:76)

        at edu.illinois.ncsa.daffodil.processors.AltCompParser.parse(Parser.scala:392)

        at edu.illinois.ncsa.daffodil.processors.Parser.parse1(Parser.scala:164)

        at edu.illinois.ncsa.daffodil.processors.SeqCompParser$$anonfun$parse$3.apply(Parser.scala:365)

        at edu.illinois.ncsa.daffodil.processors.SeqCompParser$$anonfun$parse$3.apply(Parser.scala:363)

        at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)

        at scala.collection.immutable.List.foreach(List.scala:76)

        at edu.illinois.ncsa.daffodil.processors.SeqCompParser.parse(Parser.scala:363)

        at edu.illinois.ncsa.daffodil.processors.Parser.parse1(Parser.scala:164)

        at edu.illinois.ncsa.daffodil.processors.SeqCompParser$$anonfun$parse$3.apply(Parser.scala:365)

        at edu.illinois.ncsa.daffodil.processors.SeqCompParser$$anonfun$parse$3.apply(Parser.scala:363)

        at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)

        at scala.collection.immutable.List.foreach(List.scala:76)

        at edu.illinois.ncsa.daffodil.processors.SeqCompParser.parse(Parser.scala:363)

        at edu.illinois.ncsa.daffodil.processors.Parser.parse1(Parser.scala:164)

        at edu.illinois.ncsa.daffodil.processors.SeqCompParser$$anonfun$parse$3.apply(Parser.scala:365)

        at edu.illinois.ncsa.daffodil.processors.SeqCompParser$$anonfun$parse$3.apply(Parser.scala:363)

        at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)

        at scala.collection.immutable.List.foreach(List.scala:76)

        at edu.illinois.ncsa.daffodil.processors.SeqCompParser.parse(Parser.scala:363)

        at edu.illinois.ncsa.daffodil.processors.Parser.parse1(Parser.scala:164)

        at edu.illinois.ncsa.daffodil.processors.DataProcessor$$anonfun$parse$3$$anon$1.liftedTree1$1(Runtime.scala:165)

        at edu.illinois.ncsa.daffodil.processors.DataProcessor$$anonfun$parse$3$$anon$1.<init>(Runtime.scala:164)

        at edu.illinois.ncsa.daffodil.processors.DataProcessor$$anonfun$parse$3.apply(Runtime.scala:161)

        at edu.illinois.ncsa.daffodil.processors.DataProcessor$$anonfun$parse$3.apply(Runtime.scala:160)

        at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)

        at edu.illinois.ncsa.daffodil.ExecutionMode$$anonfun$usingRuntimeMode$1.apply(ExecutionMode.scala:80)

        at edu.illinois.ncsa.daffodil.ExecutionMode$$anonfun$usingRuntimeMode$1.apply(ExecutionMode.scala:80)

        at edu.illinois.ncsa.daffodil.processors.DataProcessor.parse(Runtime.scala:160)

        at edu.illinois.ncsa.daffodil.processors.DataProcessor.parse(Runtime.scala:152)

        at edu.illinois.ncsa.daffodil.Main$$anonfun$88.apply(Main.scala:495)

        at edu.illinois.ncsa.daffodil.Main$$anonfun$88.apply(Main.scala:493)

        at edu.illinois.ncsa.daffodil.util.Timer$.getTimeResult(Timer.scala:92)

        at edu.illinois.ncsa.daffodil.util.Timer$.getResult(Timer.scala:50)

        at edu.illinois.ncsa.daffodil.Main$.run(Main.scala:492)

        at edu.illinois.ncsa.daffodil.Main$.main(Main.scala:776)

        at edu.illinois.ncsa.daffodil.Main.main(Main.scala)