java.lang.ClassNotFoundException: org.apache.http.util.Args
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java.lang.ClassNotFoundException: org.apache.http.util.Args
昨天在用HttpClient做接口调用时,发现请求没有响应,也没有任何提示信息,但是在另外一个项目中却可以正常调用接口。于是,怀疑是系统本身做了什么限制,努力尝试,结果还是不行。后来在执行的地方改了部分代码,结果抛出ClassNotFoundException。有抛异常就好办了。可是项目中,明明有jar,而且还能跳转过去,为何还会报类找不到异常呢,后来网上找了些问题,说是jar冲突(使用Maven管理)。然后对比了下两个项目的jar,发现确实是不一样。虽然两个系统用的jar就差一个版本,但是却相差甚远。后来换了下版本就OK了。
public static String httpPostWithJSON(String url, String json) throws Exception { String encoderJson = URLEncoder.encode(json, "UTF-8"); DefaultHttpClient httpClient = new DefaultHttpClient(); HttpPost httpPost = new HttpPost(url); httpPost.addHeader("Content-type","application/json; charset=utf-8"); httpPost.setHeader("Accept", "application/json"); httpPost.setEntity(new StringEntity(json, Charset.forName("UTF-8"))); long startTime = System.currentTimeMillis(); // 以下代码调用时没有响应,直接跳过,也不报任何异常 **HttpResponse response = httpClient.execute(httpPost);** int statusCode = response.getStatusLine().getStatusCode(); long endTime = System.currentTimeMillis(); logger.info("statusCode:" + statusCode); logger.info("调用API 花费时间(单位:毫秒)" + (endTime - startTime)); if (statusCode != HttpStatus.SC_OK) { logger.error("Method failed:" + response.getStatusLine()); } String body = EntityUtils.toString(response.getEntity()); return body;}
文章参考: http://blog.csdn.net/z69183787/article/details/46335993
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