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https://issues.apache.org/jira/browse/FLEX-33268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13539200#comment-13539200
]
Cyrill Zadra commented on FLEX-33268:
-------------------------------------
solution suggestion for
org.apache.flex.compiler.internal.css.CSSNamespaceDefinition:
add following logic in constructor -> if uri ends with / remove this charachter
.. or should the compiler return a warning/error?
> Falcon Compile Error: NPE when not existing namespace is used in <fx:Style>
> element.
> ------------------------------------------------------------------------------------
>
> Key: FLEX-33268
> URL: https://issues.apache.org/jira/browse/FLEX-33268
> Project: Apache Flex
> Issue Type: Bug
> Components: MXML Compiler
> Reporter: Cyrill Zadra
> Labels: Falcon
> Fix For: Apache Flex Next
>
>
> 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)
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