#698 crash will nullpointerexception in proguard.util.ListParser.parse(ListParser.java:71)

[Marius Mikučionis]

proguard-6.0 crashes with the following stack trace (5.3.3 does not have this issue):

build.xml:497: java.lang.NullPointerException
    at proguard.util.ListParser.parse(ListParser.java:71)
    at proguard.util.ListParser.parse(ListParser.java:55)
    at proguard.ClassSpecificationVisitorFactory.createClassVisitor(ClassSpecificationVisitorFactory.java:549)
    at proguard.ClassSpecificationVisitorFactory.addMemberVisitors(ClassSpecificationVisitorFactory.java:395)
    at proguard.ClassSpecificationVisitorFactory.createClassVisitor(ClassSpecificationVisitorFactory.java:367)
    at proguard.ClassSpecificationVisitorFactory.createCombinedClassVisitor(ClassSpecificationVisitorFactory.java:321)
    at proguard.ClassSpecificationVisitorFactory.createClassPoolVisitor(ClassSpecificationVisitorFactory.java:161)
    at proguard.KeepClassSpecificationVisitorFactory.createClassPoolVisitor(KeepClassSpecificationVisitorFactory.java:285)
    at proguard.KeepClassSpecificationVisitorFactory.createClassPoolVisitor(KeepClassSpecificationVisitorFactory.java:215)
    at proguard.KeepClassSpecificationVisitorFactory.createClassPoolVisitor(KeepClassSpecificationVisitorFactory.java:101)
    at proguard.DescriptorKeepChecker.checkClassSpecifications(DescriptorKeepChecker.java:78)
    at proguard.Initializer.execute(Initializer.java:305)
    at proguard.ProGuard.initialize(ProGuard.java:271)
    at proguard.ProGuard.execute(ProGuard.java:113)
    at proguard.ant.ProGuardTask.execute(ProGuardTask.java:335)
    at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:293)
    at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
    at org.apache.tools.ant.Task.perform(Task.java:348)
    at org.apache.tools.ant.Target.execute(Target.java:437)
    at org.apache.tools.ant.Target.performTasks(Target.java:458)
    at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1405)
    at org.apache.tools.ant.Project.executeTarget(Project.java:1376)
    at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
    at org.apache.tools.ant.Project.executeTargets(Project.java:1260)
    at org.apache.tools.ant.Main.runBuild(Main.java:857)
    at org.apache.tools.ant.Main.startAnt(Main.java:236)
    at org.apache.tools.ant.launch.Launcher.run(Launcher.java:286)
    at org.apache.tools.ant.launch.Launcher.main(Launcher.java:112)

[Eric Lafortune]

Thanks for your report. The issue has now been fixed for the upcoming ProGuard 6.0.2.