apache.org POST请求错误

Question

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
    at org.apache.http.conn.ssl.DefaultHostnameVerifier.<init>(DefaultHostnameVerifier.java:70)
    at org.apache.http.impl.client.HttpClientBuilder.build(HttpClientBuilder.java:944)
    at javaapplication1.JavaApplication1.main(JavaApplication1.java:31)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 3 more

代码：

public class JavaApplication1 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws JSONException, IOException {

                HttpClient client = HttpClientBuilder.create().build();
                HttpPost post = new HttpPost("https://fcm.googleapis.com/fcm/send");
                post.setHeader("Content-type", "application/json");
                post.setHeader("Authorization", "key=...");
                JSONObject message = new JSONObject();
                message.put("to", "f_NnqnU8WiM:APA91bHRGGTCRJpc4UEr2zksJFuDyQM15ONAM368_RoelMrZaPI-2i-5nFjD8oFkUaqA_8pP1ij0j2TSzWPFmrfZ5J3lhnoJfC_QECWL3yr9puETwEff5sqshU6ROIV2ehzj9ULcSA3_");
                message.put("priority", "high");
                JSONObject notification = new JSONObject();
                notification.put("title", "Koko");
                notification.put("body", "Nouvelle invitation");
                message.put("Notification", notification);
                post.setEntity(new StringEntity(message.toString(), "UTF-8"));
                HttpResponse response = client.execute(post);
    }

}

Answer 1

Apache httpclient有一些依赖项，包括Apache Commons-Logging。

这些JAR在运行时必须在类路径中。

您可以在这里找到依赖项（请参见“编译”部分）：项目依赖项。