cassandra build

build-test:
    [javac] Compiling 494 source files to /root/cassandra/build/test/classes
    [javac] An exception has occurred in the compiler (1.8.0_91). Please file a bug against the Java compiler via the Java bug reporting page (http://bugreport.java.com) after checking the Bug Database (http://bugs.java.com) for duplicates. Include your program and the following diagnostic in your report. Thank you.
    [javac] java.lang.NullPointerException
    [javac] 	at com.sun.tools.javac.comp.Lower.visitSelect(Lower.java:3837)
    [javac] 	at com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:1897)
    [javac] 	at com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:58)
    [javac] 	at com.sun.tools.javac.comp.Lower.translate(Lower.java:2371)
    [javac] 	at com.sun.tools.javac.comp.Lower.visitApply(Lower.java:3069)
    [javac] 	at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1465)
    [javac] 	at com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:58)
    [javac] 	at com.sun.tools.javac.comp.Lower.translate(Lower.java:2371)
    [javac] 	at com.sun.tools.javac.comp.Lower.translate(Lower.java:2382)
    [javac] 	at com.sun.tools.javac.comp.Lower.visitVarDef(Lower.java:3547)
    [javac] 	at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:852)
    [javac] 	at com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:58)
    [javac] 	at com.sun.tools.javac.comp.Lower.translate(Lower.java:2371)
    [javac] 	at com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:70)
    [javac] 	at com.sun.tools.javac.tree.TreeTranslator.visitBlock(TreeTranslator.java:162)
    [javac] 	at com.sun.tools.javac.comp.Lower.visitBlock(Lower.java:3561)
    [javac] 	at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:909)
    [javac] 	at com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:58)
    [javac] 	at com.sun.tools.javac.comp.Lower.translate(Lower.java:2371)
    [javac] 	at com.sun.tools.javac.tree.TreeTranslator.visitMethodDef(TreeTranslator.java:145)
    [javac] 	at com.sun.tools.javac.comp.Lower.visitMethodDefInternal(Lower.java:2828)
    [javac] 	at com.sun.tools.javac.comp.Lower.visitMethodDef(Lower.java:2737)
    [javac] 	at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:778)
    [javac] 	at com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:58)
    [javac] 	at com.sun.tools.javac.comp.Lower.translate(Lower.java:2371)
    [javac] 	at com.sun.tools.javac.comp.Lower.visitClassDef(Lower.java:2508)
    [javac] 	at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:693)
    [javac] 	at com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:58)
    [javac] 	at com.sun.tools.javac.comp.Lower.translate(Lower.java:2371)
    [javac] 	at com.sun.tools.javac.comp.Lower.translate(Lower.java:2390)
    [javac] 	at com.sun.tools.javac.comp.Lower.translateTopLevelClass(Lower.java:3932)
    [javac] 	at com.sun.tools.javac.main.JavaCompiler.desugar(JavaCompiler.java:1512)
    [javac] 	at com.sun.tools.javac.main.JavaCompiler.desugar(JavaCompiler.java:1356)
    [javac] 	at com.sun.tools.javac.main.JavaCompiler.compile2(JavaCompiler.java:901)
    [javac] 	at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:860)
    [javac] 	at com.sun.tools.javac.main.Main.compile(Main.java:523)
    [javac] 	at com.sun.tools.javac.main.Main.compile(Main.java:381)
    [javac] 	at com.sun.tools.javac.main.Main.compile(Main.java:370)
    [javac] 	at com.sun.tools.javac.main.Main.compile(Main.java:361)
    [javac] 	at com.sun.tools.javac.Main.compile(Main.java:56)
    [javac] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    [javac] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    [javac] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    [javac] 	at java.lang.reflect.Method.invoke(Method.java:498)
    [javac] 	at org.apache.tools.ant.taskdefs.compilers.Javac13.execute(Javac13.java:57)
    [javac] 	at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:1160)
    [javac] 	at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:936)
    [javac] 	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:293)
    [javac] 	at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
    [javac] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    [javac] 	at java.lang.reflect.Method.invoke(Method.java:498)
    [javac] 	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
    [javac] 	at org.apache.tools.ant.Task.perform(Task.java:348)
    [javac] 	at org.apache.tools.ant.Target.execute(Target.java:435)
    [javac] 	at org.apache.tools.ant.Target.performTasks(Target.java:456)
    [javac] 	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1405)
    [javac] 	at org.apache.tools.ant.Project.executeTarget(Project.java:1376)
    [javac] 	at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
    [javac] 	at org.apache.tools.ant.Project.executeTargets(Project.java:1260)
    [javac] 	at org.apache.tools.ant.Main.runBuild(Main.java:853)
    [javac] 	at org.apache.tools.ant.Main.startAnt(Main.java:235)
    [javac] 	at org.apache.tools.ant.launch.Launcher.run(Launcher.java:285)
    [javac] 	at org.apache.tools.ant.launch.Launcher.main(Launcher.java:112)

BUILD FAILED
/root/cassandra/build.xml:1185: Compile failed; see the compiler error output for details.