[FLEX-33268] Falcon Compile Error: NPE when not existing namespace is used in <fx:Style> element.

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: Apache Falcon 1.0
• Fix Version/s: Apache Falcon 1.0
• Component/s: Falcon
• Labels: Falcon
• Assignee: Unassigned
• Reporter: Cyrill Zadra
• Created: 18/Nov/12 01:58
• Updated: 06/Sep/13 15:20

Description

Code Example to reproduce error:

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx">

<fx:Style>
@namespace s "library://ns.adobe.com/flex/spark/";

s|Label

{ color:red; }

</fx:Style>

<s:Label text="asdf " />
</s:Application>

Exception:
C:\dev\apache-flex\falcon\compiler.tests\functional-tests\f\mxml\StyleNPE_2Test.mxml
Error: Internal error in ABC generator subsystem, when generating code for: C:\dev\apache-flex\falcon\compiler.tests\functional-tests\f\mxml\StyleNPE_2Test.mxml: java.lang.NullPointerException
at org.apache.flex.abc.instructionlist.InstructionList.addAll(InstructionList.java:420)
at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processMXMLStyle(MXMLClassDirectiveProcessor.java:3194)
at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processNode(MXMLClassDirectiveProcessor.java:771)
at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.traverse(MXMLClassDirectiveProcessor.java:649)
at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.traverse(MXMLClassDirectiveProcessor.java:619)
at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processMainClassDefinitionNode(MXMLClassDirectiveProcessor.java:515)
at org.apache.flex.compiler.internal.as.codegen.GlobalDirectiveProcessor.declareMXMLDocument(GlobalDirectiveProcessor.java:510)
at org.apache.flex.compiler.internal.as.codegen.DirectiveProcessor.processNode(DirectiveProcessor.java:232)
at org.apache.flex.compiler.internal.as.codegen.DirectiveProcessor.traverse(DirectiveProcessor.java:188)
at org.apache.flex.compiler.internal.as.codegen.ABCGenerator.generate(ABCGenerator.java:122)
at org.apache.flex.compiler.internal.units.MXMLCompilationUnit.handleABCBytesRequest(MXMLCompilationUnit.java:198)
at org.apache.flex.compiler.internal.units.CompilationUnitBase.processABCBytesRequest(CompilationUnitBase.java:866)
at org.apache.flex.compiler.internal.units.CompilationUnitBase.access$3(CompilationUnitBase.java:864)
at org.apache.flex.compiler.internal.units.CompilationUnitBase$3$1.call(CompilationUnitBase.java:309)
at org.apache.flex.compiler.internal.units.CompilationUnitBase$3$1.call(CompilationUnitBase.java:1)
at org.apache.flex.compiler.internal.units.requests.RequestMaker$1.call(RequestMaker.java:228)
at org.apache.flex.compiler.internal.units.requests.RequestMaker$1.call(RequestMaker.java:1)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

Output with -ea assertion
C:\dev\apache-flex\falcon\compiler.tests\functional-tests\f\mxml\StyleNPE_2Test.mxml
Error: Internal error in ABC generator subsystem, when generating code for: C:\dev\apache-flex\falcon\compiler.tests\functional-tests\f\mxml\StyleNPE_2Test.mxml: java.lang.AssertionError: Unable to resolve type selector: s|Label
at org.apache.flex.compiler.internal.css.codegen.CSSReducer.getSelecterLiteralForABC(CSSReducer.java:552)
at org.apache.flex.compiler.internal.css.codegen.CSSReducer.reduceSelector(CSSReducer.java:499)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.action_12(CSSEmitter.java:196)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.dispatchAction(CSSEmitter.java:270)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.reduceAntecedent(CSSEmitter.java:1146)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.reduce(CSSEmitter.java:1124)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.reduceSubgoals(CSSEmitter.java:1171)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.reduceAntecedent(CSSEmitter.java:1145)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.reduce(CSSEmitter.java:1124)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.reduceSubgoals(CSSEmitter.java:1162)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.reduceAntecedent(CSSEmitter.java:1145)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.reduce(CSSEmitter.java:1124)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.reduceSubgoals(CSSEmitter.java:1171)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.reduceAntecedent(CSSEmitter.java:1145)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.reduce(CSSEmitter.java:1124)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.reduceSubgoals(CSSEmitter.java:1162)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.reduceAntecedent(CSSEmitter.java:1145)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.reduce(CSSEmitter.java:1124)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.burm(CSSEmitter.java:1205)
at org.apache.flex.compiler.internal.css.codegen.CSSEmitter.burm(CSSEmitter.java:1197)
at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processMXMLStyle(MXMLClassDirectiveProcessor.java:3185)
at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processNode(MXMLClassDirectiveProcessor.java:771)
at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.traverse(MXMLClassDirectiveProcessor.java:649)
at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.traverse(MXMLClassDirectiveProcessor.java:619)
at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processMainClassDefinitionNode(MXMLClassDirectiveProcessor.java:515)
at org.apache.flex.compiler.internal.as.codegen.GlobalDirectiveProcessor.declareMXMLDocument(GlobalDirectiveProcessor.java:510)
at org.apache.flex.compiler.internal.as.codegen.DirectiveProcessor.processNode(DirectiveProcessor.java:232)
at org.apache.flex.compiler.internal.as.codegen.DirectiveProcessor.traverse(DirectiveProcessor.java:188)
at org.apache.flex.compiler.internal.as.codegen.ABCGenerator.generate(ABCGenerator.java:122)
at org.apache.flex.compiler.internal.units.MXMLCompilationUnit.handleABCBytesRequest(MXMLCompilationUnit.java:198)
at org.apache.flex.compiler.internal.units.CompilationUnitBase.processABCBytesRequest(CompilationUnitBase.java:866)
at org.apache.flex.compiler.internal.units.CompilationUnitBase.access$3(CompilationUnitBase.java:864)
at org.apache.flex.compiler.internal.units.CompilationUnitBase$3$1.call(CompilationUnitBase.java:309)
at org.apache.flex.compiler.internal.units.CompilationUnitBase$3$1.call(CompilationUnitBase.java:1)
at org.apache.flex.compiler.internal.units.requests.RequestMaker$1.call(RequestMaker.java:228)
at org.apache.flex.compiler.internal.units.requests.RequestMaker$1.call(RequestMaker.java:1)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)