阅读JSON文件错误 [英] Reading JSON file error
本文介绍了阅读JSON文件错误的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我尝试用Java读取JSON文件。代码是:
I try to read JSON file with Java. The code is:
public static void main(String[] args) throws Exception {
InputStream is = new FileInputStream("j.txt");
String jsonTxt = IOUtils.toString( is );
JSONObject json = (JSONObject) JSONSerializer.toJSON( jsonTxt );
JSONObject routes = json.getJSONObject("routes");
JSONObject legs = routes.getJSONObject("legs");
JSONObject distance = legs.getJSONObject("distance");
String dist = distance.getString("text");
}
行 JSONObject json =(JSONObject)JSONSerializer .toJSON(jsonTxt);
发生错误:
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/lang/exception/NestableRuntimeException
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at antmedic.algorithm.SimpleParser.main(SimpleParser.java:24)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang.exception.NestableRuntimeException
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
... 13 more
Java Result: 1
我很感激解决这个问题。
I would be grateful for solving this problem.
推荐答案
听起来你在类路径中没有apache commons jar文件
Sounds like you don't have apache commons jar file in you class path
这篇关于阅读JSON文件错误的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文