學習httpclient對象請求時出現如下報錯：

出現javax.net.ssl.sslexception報錯是因為證書不匹配的主機名的問題。
可以在請求的時候多加上表示修改org.apache.http的主機名驗證的代碼就可以解決

SSLSocketFactory.getSocketFactory().setHostnameVerifier(new AllowAllHostnameVerifier());

我的原先報錯的代碼如下：

package com.course.httpclient.demo;import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.util.EntityUtils; import org.testng.annotations.Test;import java.io.IOException;public class MyHttpClient {@Testpublic void test1() throws IOException {//用來存放我們的結果String result;HttpGet get = new HttpGet("https://www.baidu.com/");HttpClient client = new DefaultHttpClient();HttpResponse response = client.execute(get);result = EntityUtils.toString(response.getEntity(),"utf-8");System.out.println(result);} }

加上修改org.apache.http的主機名驗證解決方法后為：

package com.course.httpclient.demo;import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.conn.ssl.AllowAllHostnameVerifier; import org.apache.http.conn.ssl.SSLSocketFactory; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.util.EntityUtils; import org.testng.annotations.Test;import java.io.IOException;public class MyHttpClient {@Testpublic void test1() throws IOException {//用來存放我們的結果String result;HttpGet get = new HttpGet("https://www.baidu.com/");HttpClient client = new DefaultHttpClient();//修改org.apache.http的主機名驗證解決問題SSLSocketFactory.getSocketFactory().setHostnameVerifier(new AllowAllHostnameVerifier());HttpResponse response = client.execute(get);result = EntityUtils.toString(response.getEntity(),"utf-8");System.out.println(result);} }

運行成功：

總結

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