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我已经成功地在测试 java 项目中正确地运行了这个问题中的代码，但是当我按照完全相同的过程在我的网络服务器中导入 HtmlUnit 时，我不断收到org.apache.http.protocol.BasicHttpContext: method <init>()V not found错误消息。

我试图运行的代码：

    package com.testing;

import java.io.IOException;
import java.net.MalformedURLException;

import com.gargoylesoftware.htmlunit.FailingHttpStatusCodeException;
import com.gargoylesoftware.htmlunit.WebClient;

public class testingUnit {

    public static void main(final String[] args) {
        final WebClient webClient = new WebClient();
        webClient.setTimeout(1000);
        try {
            System.out.println("Querying");
            webClient.getPage("https://bulksms.vsms.net/register/");
            System.out.println("Success");
        } catch (final FailingHttpStatusCodeException e) {
            System.out.println("One");
            e.printStackTrace();
        } catch (final MalformedURLException e) {
            System.out.println("Two");
            e.printStackTrace();
        } catch (final IOException e) {
            System.out.println("Three");
            e.printStackTrace();
        } catch (final Exception e) {
            System.out.println("Four");
            e.printStackTrace();
        }
        System.out.println("Finished");
    }

}

安慰：

Querying
Exception in thread "main" java.lang.NoSuchMethodError: org.apache.http.protocol.BasicHttpContext: method <init>()V not found
    at org.apache.http.impl.client.AbstractHttpClient.createHttpContext(AbstractHttpClient.java:273)
    at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:797)
    at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:776)
    at com.gargoylesoftware.htmlunit.HttpWebConnection.getResponse(HttpWebConnection.java:152)
    at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseFromWebConnection(WebClient.java:1439)
    at com.gargoylesoftware.htmlunit.WebClient.loadWebResponse(WebClient.java:1358)
    at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:307)
    at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:373)
    at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:358)
    at com.testing.testingUnit.main(testingUnit.java:16)

在此处输入图像描述

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1 回答 1

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在这里发布屏幕截图后想通了。我完全忘记了更新网络应用程序库。我这样做并删除了我拥有的所有过时版本的 jars（在 webcontent/lib 文件夹中），上面的代码就像一个魅力。干杯!

于 2012-07-20T15:20:29.753 回答