Fails to parse JSON options file containing predef list

[manderson23]

If my JSON configuration includes the following option:

"predef": [ "bootbox" ],

The ant task fails with the following error:

    [jshint] Validating files in /encrypt/branches/urtdsm/pmx-msf/src
    [jshint] Using custom options:jquery=true,indent=2,predef=  [bootbox],node=true,maxlen=120,unused=true,undef=true,eqeqeq=true,quotmark=single,browser=true,eqnull=true,strict=true,newcap=true,camelcase=true,latedef=true
   [jshint] RHINO USAGE WARNING: Missed Context.javaToJS() conversion:
   [jshint] Rhino runtime detected object [bootbox] of class java.util.ArrayList where it expected String, Number, Boolean or Scriptable instance. Please check your code for missing Context.javaToJS() call.
   [jshint] RHINO USAGE WARNING: Missed Context.javaToJS() conversion:
   [jshint] Rhino runtime detected object [bootbox] of class java.util.ArrayList where it expected String, Number, Boolean or Scriptable instance. Please check your code for missing Context.javaToJS() call.

BUILD FAILED
/encrypt/branches/urtdsm/pmx-msf/src/jenkins.xml:565: org.mozilla.javascript.EvaluatorException: Invalid JavaScript value of type java.util.ArrayList (/com/philmander/jshint/jshint.js#57424)
    at org.mozilla.javascript.DefaultErrorReporter.runtimeError(DefaultErrorReporter.java:77)
    at org.mozilla.javascript.Context.reportRuntimeError(Context.java:913)
    at org.mozilla.javascript.Context.reportRuntimeError(Context.java:969)
    at org.mozilla.javascript.Context.reportRuntimeError1(Context.java:932)
    at org.mozilla.javascript.ScriptRuntime.errorWithClassName(ScriptRuntime.java:3964)
    at org.mozilla.javascript.ScriptRuntime.typeof(ScriptRuntime.java:2530)
    at org.mozilla.javascript.Interpreter.interpretLoop(Interpreter.java:1525)
    at script.each(/com/philmander/jshint/jshint.js:57424)
    at script(/com/philmander/jshint/jshint.js:57431)
    at script(/com/philmander/jshint/jshint-runner.js:38)
    at org.mozilla.javascript.Interpreter.interpret(Interpreter.java:815)
    at org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:109)
    at org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:394)
    at org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3091)
    at org.mozilla.javascript.InterpretedFunction.exec(InterpretedFunction.java:120)
    at org.mozilla.javascript.Context.evaluateReader(Context.java:1110)
    at com.philmander.jshint.JsHintRunner.lint(JsHintRunner.java:214)
    at com.philmander.jshint.JsHintAntTask.execute(JsHintAntTask.java:87)
    at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
    at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    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:390)
    at org.apache.tools.ant.Target.performTasks(Target.java:411)
    at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
    at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
    at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
    at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
    at org.apache.tools.ant.Main.runBuild(Main.java:809)
    at org.apache.tools.ant.Main.startAnt(Main.java:217)
    at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
    at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)