{"id":12484,"date":"2025-10-19T19:18:01","date_gmt":"2025-10-19T11:18:01","guid":{"rendered":"https:\/\/www.chenqing.work\/?p=12484"},"modified":"2025-10-29T20:48:07","modified_gmt":"2025-10-29T12:48:07","slug":"%e8%af%91-%ef%bd%9cjep-110-http-2-client-incubator","status":"publish","type":"post","link":"https:\/\/www.chenqing.work\/?p=12484","title":{"rendered":"\u8bd1 | JEP 110: HTTP\/2 Client (Incubator)"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1280\" src=\"https:\/\/www.chenqing.work\/wp-content\/uploads\/2025\/10\/dogan-alpaslan-demir-AoK3YXd0bBE-unsplash.jpg\" alt=\"\" class=\"wp-image-12545\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u5173\u4e8e\u505a\u4e8b\uff0c\u7f57\u65af\u798f\u7684\u89c2\u70b9\u4fee\u6b63\u4e86\u6211\u7684\u4e00\u4e2a\u89c2\u5ff5\uff0c\u505a\u9519\u597d\u8fc7\u4e0d\u505a\uff0c\u56e0\u4e3a\u53ef\u4ee5\u4ece\u9519\u8bef\u4e2d\u83b7\u5f97\u771f\u5b9e\u7684\u53cd\u9988\uff0c\u62c9\u8fdb\u548c\u505a\u5bf9\u7684\u8ddd\u79bb\u3002\u8fd9\u6837\u7684\u8bdd\uff0c\u5c31\u8981\u91cd\u65b0\u7406\u89e3\u5931\u8d25\uff0c\u5feb\u901f\u8bd5\u9519\uff0cfail-fast\u3002<\/p>\n\n\n\n<p>\u548c\u505a\u4e8b\u4e00\u6837\uff0c\u5b66\u4e60\u9677\u5165\u8fc7\u4e00\u4e2a\u8bef\u533a\uff0c\u77e5\u8bc6\u662f\u4e00\u5f20\u6d69\u5982\u70df\u6d77\u7684\u76f8\u4e92\u5173\u8054\u7684\u7f51\uff0c\u5fc5\u987b\u8981\u51b3\u65ad\u5728\u67d0\u4e2a\u70b9\u505c\u6b62\u7ee7\u7eed\u641c\u5bfb\u4fe1\u606f\u548c\u51c6\u5907\uff0c\u5728\u4fe1\u606f\u4e0d\u5b8c\u6574\u7684\u60c5\u51b5\u4e0b\u5f00\u59cb\u5b9e\u65bd\uff0c\u5426\u5219\u6c38\u8fdc\u65e0\u6cd5\u5f00\u59cb\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.chenqing.work\/?p=12299\" data-type=\"link\" data-id=\"https:\/\/www.chenqing.work\/?p=12299\">\u8bd1 | JEP 517: HTTP\/3 for the HTTP Client API<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.chenqing.work\/?p=12420\" data-type=\"link\" data-id=\"https:\/\/www.chenqing.work\/?p=12420\">\u8bd1 | JEP 321: HTTP Client API<\/a><\/li>\n\n\n\n<li>\u8bd1 | JEP 110: HTTP\/2 Client (Incubator)  \ud83d\udc48 bro, you are here<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u539f\u6587\uff1a<a href=\"https:\/\/openjdk.org\/jeps\/110\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/110\">JEP 110: HTTP\/2 Client (Incubator)<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6458\u8981<\/h2>\n\n\n\n<p>\u5b9a\u4e49\u4e00\u4e2a\u65b0\u7684\u3001\u5b9e\u73b0\u4e86 HTTP\/2 \u548c WebSocket \u7684 HTTP Client API\uff0c\u5e76\u66ff\u6362\u6389\u65e7\u7684 HttpURLConnection API\u3002\u65b0\u7684 API \u5c06\u6309\u7167 <a href=\"https:\/\/openjdk.org\/jeps\/11\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/11\">JEP 11<\/a> \u5b9a\u4e49\u7684\u5b75\u5316\u6a21\u5757\u65b9\u5f0f\uff0c\u5728 JDK 9 \u4e2d\u53d1\u5e03\u3002\u8fd9\u610f\u5473\u7740\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65b0 API \u53ca\u5176\u5b9e\u73b0\u4e0d\u4f5c\u4e3a Java SE \u7684\u4e00\u90e8\u5206\u3002<\/li>\n\n\n\n<li>\u65b0 API \u5c06\u5728 jdk.incubtor \u547d\u540d\u7a7a\u95f4\u4e0b\u624d\u6709\u6548\u3002<\/li>\n\n\n\n<li>\u5b75\u5316\u7248\u6a21\u5757\u9ed8\u8ba4\u5728\u7f16\u8bd1\u6216\u8fd0\u884c\u65f6\u4e0d\u89e3\u6790\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u52a8\u673a<\/h2>\n\n\n\n<p>\u73b0\u6709\u7684 HttpURLConnection API \u53ca\u5176\u5b9e\u73b0\u6709\u5f88\u591a\u95ee\u9898\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u57fa\u7840\u7684 URLConnection API \u8bbe\u8ba1\u65f6\u8003\u8651\u4e86\u591a\u79cd\u534f\u8bae\uff0c\u51e0\u4e4e\u6240\u6709\u90fd\u88ab\u5e9f\u5f03\u4e86\uff08\u5982 ftp\u3001gopher \u7b49\uff09\u3002<\/li>\n\n\n\n<li>\u65e9\u4e8e HTTP\/1.1 \u5b58\u5728\uff0c\u8fc7\u4e8e\u62bd\u8c61\u3002<\/li>\n\n\n\n<li>\u96be\u7528\uff0c\u6709\u5f88\u591a\u884c\u4e3a\u672a\u8bb0\u5f55\u5230\u6587\u6863\u3002<\/li>\n\n\n\n<li>\u53ea\u80fd\u5de5\u4f5c\u5728\u963b\u585e\u6a21\u5f0f\uff08\u5982\u4e00\u4e2a\u7ebf\u7a0b\u5904\u7406\u4e00\u4e2a\u8bf7\u6c42\/\u54cd\u5e94\uff09\u3002<\/li>\n\n\n\n<li>\u96be\u4ee5\u7ef4\u62a4\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u76ee\u6807<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5fc5\u987b\u5728\u5e38\u7528\u573a\u666f\u4e0b\u6613\u7528\uff0c\u5305\u62ec\u7b80\u5355\u7684\u963b\u585e\u6a21\u5f0f\u3002<\/li>\n\n\n\n<li>\u5fc5\u987b\u63d0\u4f9b\u4e8b\u4ef6\u901a\u77e5\uff0c\u6bd4\u5982\u201c\u6536\u5230\u5934\u90e8\u201d\u3001\u9519\u8bef\u3001\u201c\u6536\u5230\u54cd\u5e94\u4f53\u201d\u3002\u8fd9\u4e2a\u901a\u77e5\u4e0d\u5fc5\u57fa\u4e8e\u56de\u8c03\uff0c\u4f46\u9700\u8981\u80fd\u4f7f\u7528\u50cf CompletableFuture \u8fd9\u6837\u7684\u5f02\u6b65\u673a\u5236\u3002<\/li>\n\n\n\n<li>\u4e00\u4e2a\u7b80\u5355\u3001\u51c6\u786e\u7684 API \u80fd\u5e94\u5bf9 80%~90% \u7684\u5e94\u7528\u9700\u8981\u3002\u8fd9\u610f\u5473\u7740\u76f8\u5bf9\u5c0f\u7684 API \u7b7e\u540d\uff0c\u4e0d\u4f1a\u66b4\u9732\u534f\u8bae\u7684\u6240\u6709\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u5fc5\u987b\u66b4\u9732 HTTP \u534f\u8bae\u5173\u4e8e\u4ece\u5230\u670d\u52a1\u5668\u7684\u8bf7\u6c42\u548c\u4ece\u670d\u52a1\u5668\u8fd4\u56de\u7684\u54cd\u5e94\u7684\u76f8\u5173\u5185\u5bb9\uff08\u5982 \u5934\u90e8\u3001\u4f53\u3001\u72b6\u6001\u7801 \u7b49\uff09\u3002<\/li>\n\n\n\n<li>\u5fc5\u987b\u652f\u6301\u6807\u51c6\u548c\u901a\u7528\u7684\u8ba4\u8bc1\u673a\u5236\u3002\u521d\u59cb\u4ec5\u9650\u4e8e Basic \u8ba4\u8bc1\u65b9\u5f0f\u3002<\/li>\n\n\n\n<li>\u5fc5\u987b\u80fd\u65b9\u4fbf\u5f00\u542f WebSocket \u63e1\u624b\u3002<\/li>\n\n\n\n<li>\u5fc5\u987b\u652f\u6301 HTTP\/2\u3002\uff08HTTP\/2 \u7684\u5e94\u7528\u5c42\u8bed\u4e49\u548c HTTP\/1.1 \u57fa\u672c\u4e00\u81f4\uff0c\u867d\u7136\u94fe\u8def\u5c42\u534f\u8bae\u5b8c\u5168\u4e0d\u540c\uff09\n<ul class=\"wp-block-list\">\n<li>\u5fc5\u987b\u652f\u6301\u534f\u5546\u4ece HTTP\/1.1 \u5347\u7ea7\u5230 HTTP\/2\uff08\u6216\u4e0d\u80fd\uff09\uff0c\u6216\u8005\u4e00\u5f00\u59cb\u5c31\u5efa\u7acb HTTP\/2 \u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u5fc5\u987b\u652f\u6301 server push \u673a\u5236\uff0c\u5373 \u670d\u52a1\u7aef\u53ef\u4ee5\u5728\u6ca1\u6709\u63a5\u5230\u5ba2\u6237\u7aef\u663e\u5f0f\u8bf7\u6c42\u7684\u60c5\u51b5\u4e0b\u4e3b\u52a8\u5411\u5ba2\u6237\u7aef\u63a8\u9001\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5fc5\u987b\u548c\u73b0\u6709\u7684\u7f51\u7edc API \u6267\u884c\u7684\u5b89\u5168\u68c0\u67e5\u4fdd\u6301\u4e00\u81f4\u3002<\/li>\n\n\n\n<li>\u5e94\u5bf9\u65b0\u7684\u8bed\u8a00\u7279\u6027\u53cb\u597d\uff0c\u5982 lambda \u8868\u8fbe\u5f0f\u3002<\/li>\n\n\n\n<li>\u5e94\u5bf9\u5d4c\u5165\u5f0f\u7cfb\u7edf\u9700\u6c42\u53cb\u597d\uff0c\u7279\u522b\u662f\u8981\u89c4\u907f\u5e38\u9a7b\u8fd0\u884c\u7684\u8ba1\u65f6\u5668\u7ebf\u7a0b\u3002<\/li>\n\n\n\n<li>\u5fc5\u987b\u652f\u6301 HTTPS\/TLS\u3002<\/li>\n\n\n\n<li>HTTP\/1.1 \u7684\u6027\u80fd\u8981\u6c42\uff1a\n<ul class=\"wp-block-list\">\n<li>\u6027\u80fd\u5fc5\u987b\u548c\u73b0\u6709 HttpURLConnection \u5b9e\u73b0\u7684\u6027\u80fd\u76f8\u5f53\u3002<\/li>\n\n\n\n<li>\u6027\u80fd\u5fc5\u987b\u548c Apache HttpClient \u5e93\u3001\u5f53 Netty \u6216 Jetty \u88ab\u5f53\u505a\u5ba2\u6237\u7aef API \u4f7f\u7528\u65f6\u7684\u6027\u80fd\u76f8\u5f53\u3002<\/li>\n\n\n\n<li>\u65b0 API \u7684\u5185\u5b58\u6d88\u8017\u5fc5\u987b\u4f4e\u4e8e\u6216\u8005\u76f8\u5f53\u4e8e HttpURLConnection\u3001Apache HttpClient \u5e93\u3001Netty \u6216 Jetty \u88ab\u5f53\u505a\u5ba2\u6237\u7aef API \u4f7f\u7528\u65f6\u7684\u5185\u5b58\u5360\u7528\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>HTTP\/2 \u7684\u6027\u80fd\u8981\u6c42\uff1a\n<ul class=\"wp-block-list\">\n<li>\u6027\u80fd\u5fc5\u987b\u4f18\u4e8e HTTP\/1.1\uff08\u5982\u53ef\u6269\u5c55\u6027\u548c\u5ef6\u8fdf\uff09\uff0c\u5728\u65b0\u534f\u8bae\u9002\u7528\u7684\u573a\u666f\u91cc\uff0c\u4e0d\u7ba1\u4efb\u4f55\u7cfb\u7edf\u9650\u5236\uff08\u5982 TCP \u6bb5 ack \u7a97\u53e3\uff09\u3002<\/li>\n\n\n\n<li>\u6027\u80fd\u5fc5\u987b\u76f8\u5f53\u4e8e Netty \u6216 Jetty \u88ab\u5f53\u505a HTTP\/2 \u7684\u5ba2\u6237\u7aef API \u4f7f\u7528\u65f6\u3002<\/li>\n\n\n\n<li>\u65b0 API \u7684\u5185\u5b58\u6d88\u8017\u5fc5\u987b\u4f4e\u4e8e\u6216\u8005\u76f8\u5f53\u4e8e HttpURLConnection\u3001Apache HttpClient \u5e93\u3001Netty \u6216 Jetty \u88ab\u5f53\u505a\u5ba2\u6237\u7aef API \u4f7f\u7528\u65f6\u7684\u5185\u5b58\u5360\u7528\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6027\u80fd\u6bd4\u8f83\u5c06\u53ea\u5728\u53ef\u6bd4\u8f83\u64cd\u4f5c\u6a21\u5f0f\u7684\u573a\u666f\u4e2d\uff0c\u56e0\u4e3a\u65b0 API \u5f3a\u8c03\u7684\u662f\u5728\u6240\u6709\u53ef\u80fd\u573a\u666f\u4e2d\u7684\u7b80\u5355\u6027\u548c\u6613\u7528\u6027\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e9b\u5de5\u4f5c\u662f\u4e3a JDK 9 \u51c6\u5907\u7684\u3002\u4e00\u4e9b\u4ee3\u7801\u5c06\u88ab java EE \u590d\u7528\u5230 Servlet 4.0 API \u5173\u4e8e HTTP\/2 \u7684\u5b9e\u73b0\u4e2d\uff0c\u6240\u4ee5\u53ea\u6709 JDK 8 \u7684\u8bed\u8a00\u7279\u6027\u548c\uff08\u5728\u53ef\u80fd\u7684\u5730\u65b9\uff09API \u4f1a\u88ab\u7528\u5230\u3002<\/li>\n\n\n\n<li>\u671f\u5f85\u901a\u8fc7\u5438\u6536\u5728 JDK 9 \u4e2d\u4f7f\u7528\u8be5 API \u7684\u6709\u76ca\u7ecf\u9a8c\uff0c\u4f7f\u5f97\u672a\u6765\u53ef\u4ee5\u5728 Java SE\uff0c\u5373 JDK 10 \u7684 java.net \u7a7a\u95f4\u4e0b\uff0c\u6807\u51c6\u5316\u8be5 API\u3002\u5f53\u5728\u672a\u6765\u7684 JEP \u4e2d\u6807\u51c6\u5316\u540e\uff0c\u5c06\u4ece\u5b75\u5316\u6a21\u5757\u4e2d\u53bb\u6389\u8be5 API\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u975e\u76ee\u6807<\/h2>\n\n\n\n<p>\u65b0 API \u6700\u7ec8\u4f1a\u7528\u65b0\u4ee3\u7801\u53d6\u4ee3 HttpURLConnection API\uff0c\u4f46\u4e0d\u662f\u7acb\u9a6c\u57fa\u4e8e\u65b0 API \u91cd\u65b0\u5b9e\u73b0\u65e7 API\u3002\u672a\u6765\u518d\u505a\u3002<\/p>\n\n\n\n<p>\u5728\u672c JEP \u57fa\u4e8e JDK 8 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