想编写一个映射的 Spliterator 类：
public abstract class MappedSpliterator<T, E> implements Spliterator<E> {}经过尝试，即使是如上所示的空类，也会导致 javac 报错 StackOverflowError。
这可能是什么原因造成的呢？
根据评论的提醒，我新建了工程单独创建该类，竟然没报错。
而我将该类加入原工程，仍然报错，现添加描述希望能够提供更多信息。
在 IDEA 里 build 报错截图：
使用 Maven 编译并把异常输出：
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.222 s
[INFO] Finished at: 2017-04-16T10:40:58+08:00
[INFO] Final Memory: 26M/143M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project oshuu: Fatal error compiling: java.lang.StackOverflowError -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project oshuu: Fatal error compiling
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:213)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:154)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:146)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:309)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:194)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:107)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:993)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:345)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:191)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.MojoExecutionException: Fatal error compiling
at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:796)
at org.apache.maven.plugin.compiler.CompilerMojo.execute(CompilerMojo.java:129)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
... 20 more
Caused by: org.codehaus.plexus.compiler.CompilerException: java.lang.StackOverflowError
at org.codehaus.plexus.compiler.javac.JavaxToolsCompiler.compileInProcess(JavaxToolsCompiler.java:191)
at org.codehaus.plexus.compiler.javac.JavacCompiler.performCompile(JavacCompiler.java:169)
at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:785)
... 23 more
Caused by: java.lang.RuntimeException: java.lang.StackOverflowError
at com.sun.tools.javac.main.Main.compile(Main.java:553)
at com.sun.tools.javac.api.JavacTaskImpl.doCall(JavacTaskImpl.java:129)
at com.sun.tools.javac.api.JavacTaskImpl.call(JavacTaskImpl.java:138)
at org.codehaus.plexus.compiler.javac.JavaxToolsCompiler.compileInProcess(JavaxToolsCompiler.java:126)
... 25 more
Caused by: java.lang.StackOverflowError
at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4481)
at com.sun.tools.javac.code.Types$Subst.subst(Types.java:2906)
at com.sun.tools.javac.code.Types$Subst.visitWildcardType(Types.java:2976)
at com.sun.tools.javac.code.Types$Subst.visitWildcardType(Types.java:2883)
at com.sun.tools.javac.code.Type$WildcardType.accept(Type.java:600)
at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4481)
at com.sun.tools.javac.code.Types$Subst.subst(Types.java:2906)
at com.sun.tools.javac.code.Types$Subst.subst(Types.java:2914)
at com.sun.tools.javac.code.Types$Subst.visitClassType(Types.java:2955)
at com.sun.tools.javac.code.Types$Subst.visitClassType(Types.java:2883)
at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:763)
at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4481)
at com.sun.tools.javac.code.Types$Subst.subst(Types.java:2906)
at com.sun.tools.javac.code.Types$Subst.subst(Types.java:2914)
at com.sun.tools.javac.code.Types$Subst.visitMethodType(Types.java:2928)
at com.sun.tools.javac.code.Types$Subst.visitMethodType(Types.java:2883)
at com.sun.tools.javac.code.Type$MethodType.accept(Type.java:1132)
at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4481)
at com.sun.tools.javac.code.Types$Subst.subst(Types.java:2906)
at com.sun.tools.javac.code.Types.subst(Types.java:2880)
at com.sun.tools.javac.code.Types$16.visitClassType(Types.java:2088)
at com.sun.tools.javac.code.Types$16.visitClassType(Types.java:2059)
at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:763)
at com.sun.tools.javac.code.Types$DefaultTypeVisitor.visit(Types.java:4400)
at com.sun.tools.javac.code.Types.memberType(Types.java:2056)
at com.sun.tools.javac.code.Symbol$MethodSymbol.overrides(Symbol.java:1443)
at com.sun.tools.javac.model.JavacElements.overrides(JavacElements.java:503)
at com.sun.tools.javac.model.JavacElements.addMembers(JavacElements.java:382)
at com.sun.tools.javac.model.JavacElements.getAllMembers(JavacElements.java:369)
at com.sun.tools.javac.model.JavacElements.getAllMembers(JavacElements.java:61)
at org.hibernate.validator.ap.ClassVisitor.visitAllMyElements(ClassVisitor.java:104)
at org.hibernate.validator.ap.ClassVisitor.visitTypeAsInterface(ClassVisitor.java:80)
at org.hibernate.validator.ap.ClassVisitor.visitTypeAsInterface(ClassVisitor.java:34)
at javax.lang.model.util.ElementKindVisitor6.visitType(ElementKindVisitor6.java:153)
at com.sun.tools.javac.code.Symbol$ClassSymbol.accept(Symbol.java:1137)
at javax.lang.model.util.AbstractElementVisitor6.visit(AbstractElementVisitor6.java:111)截取文本的最后是重复的栈“循环节”，再往前均为该循环节：
at org.hibernate.validator.ap.ClassVisitor.visitAllMyElements(ClassVisitor.java:105)
at org.hibernate.validator.ap.ClassVisitor.visitTypeAsInterface(ClassVisitor.java:80)
at org.hibernate.validator.ap.ClassVisitor.visitTypeAsInterface(ClassVisitor.java:34)
at javax.lang.model.util.ElementKindVisitor6.visitType(ElementKindVisitor6.java:153)
at com.sun.tools.javac.code.Symbol$ClassSymbol.accept(Symbol.java:1137)
at javax.lang.model.util.AbstractElementVisitor6.visit(AbstractElementVisitor6.java:111)现在还是很困惑，希望得到指教。
