justinmclean opened a new issue #34: Compiler throws null pointer RTE on implicit coercion of object to string URL: https://github.com/apache/royale-asjs/issues/34 This code: <?xml version="1.0" encoding="utf-8"?> <js:Application xmlns:fx="http://ns.adobe.com/mxml/2009"; xmlns:js="library://ns.apache.org/flexjs/basic"> <fx:Script><![CDATA[ public function showSelected():void { selected.text = radio.selectedValue; } ]]></fx:Script> <js:valuesImpl> <js:SimpleCSSValuesImpl/> </js:valuesImpl> <js:initialView> <js:View> <js:Group id="content"> <js:beads> <js:VerticalLayout /> </js:beads> <js:RadioButton id="radio" text="one" value="1" groupName="group" click="showSelected()"/> <js:RadioButton text="two" value="2" groupName="group" click="showSelected()"/> <js:RadioButton text="three" value="3" groupName="group" click="showSelected()"/> <js:Label id="selected" /> </js:Group> </js:View> </js:initialView> </js:Application> Produces this compiler null pointer exception: ``` /Users/justinmclean/IdeaProjects/FlexJSTest/src/RadioButtonTest.mxml(7): col: 9 Internal error: java.lang.NullPointerException at org.apache.flex.compiler.internal.projects.FlexProject.isValidTypeConversion(FlexProject.java:2304) at org.apache.flex.compiler.internal.semantics.MethodBodySemanticChecker.checkImplicitConversion(MethodBodySemanticChecker.java:564) at org.apache.flex.compiler.internal.semantics.MethodBodySemanticChecker.checkImplicitConversion(MethodBodySemanticChecker.java:374) at org.apache.flex.compiler.internal.semantics.MethodBodySemanticChecker.checkAssignment(MethodBodySemanticChecker.java:246) at org.apache.flex.compiler.internal.as.codegen.ABCGeneratingReducer.reduce_assignToMemberExpr_to_void_expression(ABCGeneratingReducer.java:2904) at org.apache.flex.compiler.internal.as.codegen.CmcEmitter.action_235(CmcEmitter.java:4432) at org.apache.flex.compiler.internal.as.codegen.CmcEmitter.dispatchAction(CmcEmitter.java:8057) at org.apache.flex.compiler.internal.as.codegen.CmcEmitter.reduceAntecedent(CmcEmitter.java:39127) at org.apache.flex.compiler.internal.as.codegen.CmcEmitter.dispatchAction(CmcEmitter.java:9398) at org.apache.flex.compiler.internal.as.codegen.CmcEmitter.reduceAntecedent(CmcEmitter.java:39127) at org.apache.flex.compiler.internal.as.codegen.CmcEmitter.reduce(CmcEmitter.java:39104) at org.apache.flex.compiler.internal.as.codegen.CmcEmitter.reduceSubgoals(CmcEmitter.java:39155) at org.apache.flex.compiler.internal.as.codegen.CmcEmitter.reduceAntecedent(CmcEmitter.java:39126) at org.apache.flex.compiler.internal.as.codegen.CmcEmitter.reduce(CmcEmitter.java:39104) at org.apache.flex.compiler.internal.as.codegen.CmcEmitter.reduceSubgoals(CmcEmitter.java:39146) at org.apache.flex.compiler.internal.as.codegen.CmcEmitter.reduceAntecedent(CmcEmitter.java:39126) at org.apache.flex.compiler.internal.as.codegen.CmcEmitter.reduce(CmcEmitter.java:39104) at org.apache.flex.compiler.internal.as.codegen.CmcEmitter.burm(CmcEmitter.java:39406) at org.apache.flex.compiler.internal.as.codegen.ABCGenerator.generateInstructions(ABCGenerator.java:228) at org.apache.flex.compiler.internal.as.codegen.ABCGenerator.generateMethodBodyForFunction(ABCGenerator.java:393) at org.apache.flex.compiler.internal.as.codegen.ABCGenerator.generateMethodBodyForFunction(ABCGenerator.java:347) at org.apache.flex.compiler.internal.as.codegen.ABCGenerator.generateFunction(ABCGenerator.java:262) at org.apache.flex.compiler.internal.as.codegen.ClassDirectiveProcessor.declareFunction(ClassDirectiveProcessor.java:886) at org.apache.flex.compiler.internal.as.codegen.DirectiveProcessor.processNode(DirectiveProcessor.java:214) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processNode(MXMLClassDirectiveProcessor.java:1116) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.traverse(MXMLClassDirectiveProcessor.java:861) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.traverse(MXMLClassDirectiveProcessor.java:831) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processMXMLScript(MXMLClassDirectiveProcessor.java:4153) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processNode(MXMLClassDirectiveProcessor.java:982) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.traverse(MXMLClassDirectiveProcessor.java:861) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.traverse(MXMLClassDirectiveProcessor.java:831) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processMainClassDefinitionNode(MXMLClassDirectiveProcessor.java:653) at org.apache.flex.compiler.internal.as.codegen.GlobalDirectiveProcessor.declareMXMLDocument(GlobalDirectiveProcessor.java:518) 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:199)` at org.apache.flex.compiler.internal.units.CompilationUnitBase.processABCBytesRequest(CompilationUnitBase.java:876) at org.apache.flex.compiler.internal.units.CompilationUnitBase.access$300(CompilationUnitBase.java:109) at org.apache.flex.compiler.internal.units.CompilationUnitBase$4$1.call(CompilationUnitBase.java:313) at org.apache.flex.compiler.internal.units.CompilationUnitBase$4$1.call(CompilationUnitBase.java:309) at org.apache.flex.compiler.internal.units.requests.RequestMaker$1.call(RequestMaker.java:228) at org.apache.flex.compiler.internal.units.requests.RequestMaker$1.call(RequestMaker.java:222) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) public function showSelected():void { ^ ``` Note the error is also pointing to the wrong line i.e. the function rather than the assignment that is the cause of the error in the function. ` selected.text = radio.selectedValue;` A similar line in the FlexSDK would produce this error: Implicit coercion of a value with static type Object to a possibly unrelated type String. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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