Santanu Karar created FLEX-35190: ------------------------------------ Summary: [FlexJS] DataItemRenderer breaks if extends as MXML file Key: FLEX-35190 URL: https://issues.apache.org/jira/browse/FLEX-35190 Project: Apache Flex Issue Type: Bug Affects Versions: Apache FlexJS 0.8.0 Reporter: Santanu Karar
I took a nightly build of Apache FlexJS and tried by it's supplied *DataGridExample* example project. The example used a custom DataItemRenderer class, but it was an ActionScript implementation. When I tried to create MXML file extending same DataItemRenderer class, when used to DataGrid component, I couldn't even able to build but thrown by compiler error: *1551: Internal error in ABC generator subsystem, when generating code for: E:\apache-flex-flexjs-0.8.0-bin\examples\flexjs\DataGridExample\src\products\ProductItemRendererMXML.mxml: java.lang.NullPointerException* I'm attaching herewith the full error details for your review: {panel} Description Resource Path Location Type 1551: Internal error in ABC generator subsystem, when generating code for: E:\apache-flex-flexjs-0.8.0-bin\examples\flexjs\DataGridExample\src\products\ProductItemRendererMXML.mxml: java.lang.NullPointerException at org.apache.flex.compiler.internal.codegen.databinding.BindingInfo.analyzeExpression(BindingInfo.java:488) at org.apache.flex.compiler.internal.codegen.databinding.BindingInfo.finishInit(BindingInfo.java:171) at org.apache.flex.compiler.internal.codegen.databinding.BindingInfo.<init>(BindingInfo.java:115) at org.apache.flex.compiler.internal.codegen.databinding.BindingAnalyzer.analyze(BindingAnalyzer.java:56) at org.apache.flex.compiler.internal.codegen.databinding.BindingDatabase.analyze(BindingDatabase.java:122) at org.apache.flex.compiler.internal.codegen.databinding.MXMLBindingDirectiveHelper.visitNode(MXMLBindingDirectiveHelper.java:116) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processMXMLDataBinding(MXMLClassDirectiveProcessor.java:4797) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processMXMLPropertySpecifier(MXMLClassDirectiveProcessor.java:3696) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processNode(MXMLClassDirectiveProcessor.java:962) 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.processMXMLInstance(MXMLClassDirectiveProcessor.java:3349) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processNode(MXMLClassDirectiveProcessor.java:939) 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.processMXMLArray(MXMLClassDirectiveProcessor.java:3088) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processNode(MXMLClassDirectiveProcessor.java:926) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.traverse(MXMLClassDirectiveProcessor.java:861) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processMXMLPropertySpecifier(MXMLClassDirectiveProcessor.java:3605) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processNode(MXMLClassDirectiveProcessor.java:962) 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.processMXMLInstance(MXMLClassDirectiveProcessor.java:3349) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processNode(MXMLClassDirectiveProcessor.java:939) 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.processMXMLArray(MXMLClassDirectiveProcessor.java:3088) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processNode(MXMLClassDirectiveProcessor.java:926) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.traverse(MXMLClassDirectiveProcessor.java:861) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processMXMLPropertySpecifier(MXMLClassDirectiveProcessor.java:3605) at org.apache.flex.compiler.internal.as.codegen.MXMLClassDirectiveProcessor.processNode(MXMLClassDirectiveProcessor.java:962) 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:866) at org.apache.flex.compiler.internal.units.CompilationUnitBase.access$300(CompilationUnitBase.java:107) at org.apache.flex.compiler.internal.units.CompilationUnitBase$4$1.call(CompilationUnitBase.java:309) at org.apache.flex.compiler.internal.units.CompilationUnitBase$4$1.call(CompilationUnitBase.java:305) at org.apache.flex.compiler.internal.units.requests.RequestMaker$1.call(RequestMaker.java:228) at org.apache.flex.compiler.internal.units.requests.RequestMaker$1.call(RequestMaker.java:222) at java.util.concurrent.FutureTask$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) ProductItemRendererMXML.mxml /DataGridExample/src/products line 0 Flex Problem 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