java.lang.NullPointerException
   at java.io.File.<init>(File.java:277)
   at org.jetbrains.kotlin.projectsextensions.maven.classpath.MavenExtendedClassPath.getClasspath(MavenExtendedClassPath.java:65)
   at org.jetbrains.kotlin.projectsextensions.maven.classpath.MavenExtendedClassPath.createClasspath(MavenExtendedClassPath.java:129)
   at org.jetbrains.kotlin.projectsextensions.maven.classpath.MavenExtendedClassPath.<init>(MavenExtendedClassPath.java:53)
   at org.jetbrains.kotlin.projectsextensions.KotlinProjectHelper.getExtendedClassPath(KotlinProjectHelper.java:115)
   at org.jetbrains.kotlin.utils.ProjectUtils.getProjectClassPath(ProjectUtils.java:118)
   at org.jetbrains.kotlin.utils.ProjectUtils.getClasspath(ProjectUtils.java:129)
   at org.jetbrains.kotlin.model.KotlinEnvironment.configureClasspath(KotlinEnvironment.java:224)
   at org.jetbrains.kotlin.model.KotlinEnvironment.<init>(KotlinEnvironment.java:136)
   at org.jetbrains.kotlin.model.KotlinEnvironment.getEnvironment(KotlinEnvironment.java:200)
   at org.jetbrains.kotlin.projectsextensions.maven.MavenProjectOpenedHook$1$1.run(MavenProjectOpenedHook.java:60)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)