Re: Vararg version of set method added to domain object causes request factory validator to fail

Thank you Michael, I was fighting against this issue for hours

On Thursday, April 19, 2012 at 1:16:48 PM UTC+2, Michael Wiles wrote:

I have a proxy with:

    public void setPlatforms(List<String> platforms);

and the domain object has:

    public void setPlatforms(List<String> platforms);

This works fine, now add to the Domain object a var args version of the method:

    public void setPlatforms(String ... platforms);

Request Factory Validator fails with the following stack trace:

[INFO] diagnostic error: java.lang.NullPointerException

at com.sun.tools.javac.code.Types$14.visitClassType(Types.java:1301)

at com.sun.tools.javac.code.Types$14.visitClassType(Types.java:1284)

at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:554)

at com.sun.tools.javac.code.Types$DefaultTypeVisitor.visit(Types.java:3203)

at com.sun.tools.javac.code.Types.asSuper(Types.java:1281)

at com.sun.tools.javac.code.Types$14.visitClassType(Types.java:1297)

at com.sun.tools.javac.code.Types$14.visitClassType(Types.java:1284)

at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:554)

at com.sun.tools.javac.code.Types$DefaultTypeVisitor.visit(Types.java:3203)

at com.sun.tools.javac.code.Types.asSuper(Types.java:1281)

at com.sun.tools.javac.code.Types$5.visitClassType(Types.java:409)

at com.sun.tools.javac.code.Types$5.visitClassType(Types.java:336)

at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:554)

at com.sun.tools.javac.code.Types$DefaultTypeVisitor.visit(Types.java:3203)

at com.sun.tools.javac.code.Types.isSubtype(Types.java:332)

at com.sun.tools.javac.code.Types.isSubtype(Types.java:316)

at com.sun.tools.javac.model.JavacTypes.isSubtype(JavacTypes.java:80)

at com.google.web.bindery.requestfactory.apt.DomainChecker$MethodFinder.visitExecutable(DomainChecker.java:97)

at com.google.web.bindery.requestfactory.apt.DomainChecker$MethodFinder.visitExecutable(DomainChecker.java:48)

at com.sun.tools.javac.code.Symbol$MethodSymbol.accept(Symbol.java:1227)

at javax.lang.model.util.ElementScanner6.scan(ElementScanner6.java:122)

at com.google.web.bindery.requestfactory.apt.ScannerBase.scan(ScannerBase.java:63)

at com.google.web.bindery.requestfactory.apt.ScannerBase.scanAllInheritedMethods(ScannerBase.java:126)

at com.google.web.bindery.requestfactory.apt.DomainChecker$MethodFinder.visitType(DomainChecker.java:118)

at com.google.web.bindery.requestfactory.apt.DomainChecker$MethodFinder.visitType(DomainChecker.java:48)

at com.sun.tools.javac.code.Symbol$ClassSymbol.accept(Symbol.java:832)

at javax.lang.model.util.ElementScanner6.scan(ElementScanner6.java:122)

at com.google.web.bindery.requestfactory.apt.ScannerBase.scan(ScannerBase.java:63)

at com.google.web.bindery.requestfactory.apt.DomainChecker.visitExecutable(DomainChecker.java:164)

at com.google.web.bindery.requestfactory.apt.DomainChecker.visitExecutable(DomainChecker.java:42)

at com.sun.tools.javac.code.Symbol$MethodSymbol.accept(Symbol.java:1227)

at javax.lang.model.util.ElementScanner6.scan(ElementScanner6.java:122)

at com.google.web.bindery.requestfactory.apt.ScannerBase.scan(ScannerBase.java:63)

at com.google.web.bindery.requestfactory.apt.ScannerBase.scanAllInheritedMethods(ScannerBase.java:126)

at com.google.web.bindery.requestfactory.apt.DomainChecker.visitType(DomainChecker.java:263)

at com.google.web.bindery.requestfactory.apt.DomainChecker.visitType(DomainChecker.java:42)

at com.sun.tools.javac.code.Symbol$ClassSymbol.accept(Symbol.java:832)

at javax.lang.model.util.ElementScanner6.scan(ElementScanner6.java:122)

at com.google.web.bindery.requestfactory.apt.ScannerBase.scan(ScannerBase.java:63)

at com.google.web.bindery.requestfactory.apt.State.executeJobs(State.java:248)

at com.google.web.bindery.requestfactory.apt.RfValidator.process(RfValidator.java:83)

Anyone else had this issue? I guess it's an easy work around as I just remove the varargs method from the domain object - it's not crazy essential for obvious reasons.

GWT 2.4.0, Sun JDK 1.6.0, Using maven to run the annotation processor.

Is it worth logging a bug? Should at least record that this doesn't work as it had me stuck for a few days.

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