JAVA调用JS函数报错

function convert(KOSTL,STAT1){

if(KOSTL == "122011") { return "10001175";  }

else if (KOSTL == "122021"){ return "10001170";}

else if (KOSTL == "122031"){ return "10001155";}

......

......

else{ return ""; }

}

package com.sunxin.test;



import java.io.BufferedReader;

import java.io.File;

import java.io.FileReader;



import javax.script.Invocable;

import javax.script.ScriptEngine;

import javax.script.ScriptEngineManager;



public class JsTest {



	public static void main(String[] args) throws Exception {

		testJSFile();

		testJSFile();

	}



	private static void testJSFile() throws Exception {

		ScriptEngineManager mgr = new ScriptEngineManager();

		ScriptEngine engine = mgr.getEngineByName("javascript");

		engine.eval(readJSFile());

		Invocable inv = (Invocable) engine;

		Object res = (Object) inv.invokeFunction("convert", new String[] { "505041", "D" });

		System.out.println("res:" + res);

	}



	private static String readJSFile() throws Exception {

		StringBuffer script = new StringBuffer();

		File file = new File("js.txt");

		FileReader filereader = new FileReader(file);

		BufferedReader bufferreader = new BufferedReader(filereader);

		String tempString = null;

		while ((tempString = bufferreader.readLine()) != null) {

			script.append(tempString).append("\n");

		}

		bufferreader.close();

		filereader.close();

		return script.toString();

	}

}

res:10001005

Exception in thread "main" javax.script.ScriptException: sun.org.mozilla.javascript.internal.EvaluatorException: Too deep recursion while parsing (<Unknown source>#367) in <Unknown source> at line number 367

	at com.sun.script.javascript.RhinoScriptEngine.eval(RhinoScriptEngine.java:110)

	at com.sun.script.javascript.RhinoScriptEngine.eval(RhinoScriptEngine.java:124)

	at javax.script.AbstractScriptEngine.eval(AbstractScriptEngine.java:247)

	at com.sunxin.test.JsTest.testJSFile(JsTest.java:21)

	at com.sunxin.test.JsTest.main(JsTest.java:15)