{"id":10008024,"date":"2023-07-02T12:59:55","date_gmt":"2023-07-02T04:59:55","guid":{"rendered":"https:\/\/ityet.com\/?p=10008024"},"modified":"2023-07-02T12:59:55","modified_gmt":"2023-07-02T04:59:55","slug":"%e8%a7%a3%e5%86%b3-elasticsearch-8-x-java-api-%e4%b8%ad-update-%e5%86%99%e5%85%a5-null-%e5%80%bc%e6%97%a0%e6%95%88%e7%9a%84%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10008024","title":{"rendered":"\u89e3\u51b3 Elasticsearch 8.x Java API \u4e2d Update \u5199\u5165 null \u503c\u65e0\u6548\u7684\u95ee\u9898"},"content":{"rendered":"<h2>\u524d\u8a00<\/h2>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=9BjlPAou%2BgZsKE%2FjbW5Uow%3D%3D.jV%2FultmbwWrm%2FbMjV4G4UyJdPqWe5zwKvlowBzwlrRA%3D\" rel=\"nofollow\">Elasticsearch<\/a> \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u641c\u7d22\u548c\u5206\u6790\u5f15\u64ce\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u5728\u5927\u89c4\u6a21\u6570\u636e\u96c6\u4e2d\u5feb\u901f\u3001\u51c6\u786e\u5730\u641c\u7d22\u3001\u5206\u6790\u548c\u53ef\u89c6\u5316\u6570\u636e\u3002ES \u53ef\u4ee5\u5904\u7406\u5404\u79cd\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u7ed3\u6784\u5316\u3001\u534a\u7ed3\u6784\u5316\u548c\u975e\u7ed3\u6784\u5316\u6570\u636e\uff0c\u4f7f\u5176\u975e\u5e38\u9002\u7528\u4e8e\u5927\u6570\u636e\u5e94\u7528\u573a\u666f\u3002<\/p>\n<p>\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd Elasticsearch Java API \u4e2d Update \u5199\u5165 null \u503c\u65e0\u6548\u7684\u95ee\u9898\uff0c\u4ee5\u53ca\u5982\u4f55\u6392\u67e5\u3001\u89e3\u51b3\u6b64\u7c7b\u95ee\u9898\uff0c\u540c\u65f6\u5206\u4eab\u7b14\u8005\u7684\u4e00\u4e9b\u53cd\u601d\u3002<\/p>\n<h2>\u95ee\u9898\u63cf\u8ff0<\/h2>\n<p>\u5728\u4f7f\u7528 Elasticsearch 8.x \u7684 Java API \u65f6\uff0c\u8fdb\u884c\u65b0\u589e\u6570\u636e\u6709\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>Create\uff1a\u5982\u679c\u6587\u6863\u4e0d\u5b58\u5728\uff0c\u90a3\u4e48\u5c31\u521b\u5efa\u5b83\uff1b\u5b58\u5728\u4f1a\u62a5\u9519\uff0c\u53d1\u751f\u5f02\u5e38\u62a5\u9519\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6\u64cd\u4f5c\u3002<\/li>\n<li>Index\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6587\u6863\u6216\u8005\u66ff\u6362\u4e00\u4e2a\u73b0\u6709\u7684\u6587\u6863\u3002<\/li>\n<li>Update\uff1a\u90e8\u5206\u66f4\u65b0\u4e00\u4e2a\u6587\u6863\uff08\u8bbe\u7f6e upsert \u4e3a true\uff09<\/li>\n<\/ul>\n<p>\u4f46\u662f\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u65b0\u589e\u4e00\u6761\u6570\u636e\u901a\u5e38\u4f1a\u4f7f\u7528 Update \u4f5c\u4e3a\u4e00\u4e2a\u64cd\u4f5c\uff0c\u56e0\u4e3a\u4e0d\u5e0c\u671b\u505a\u4e00\u4e2a\u66f4\u65b0\u628a\u6574\u884c\u7ed9\u8986\u76d6\u6389\uff0c\u5728\u4e2d\u95f4\u4ef6\u540c\u6b65\u5f53\u4e2d\u901a\u5e38\u4f1a\u9047\u89c1\u591a\u8868\u6c47\u805a\u7684\u60c5\u51b5\uff0c\u8fd9\u79cd\u60c5\u51b5\u5c31\u5f3a\u4f9d\u8d56\u4e8e Update \u66f4\u65b0\u67d0\u4e00\u4e9b\u5b57\u6bb5\uff0c\u800c\u4e0d\u662f\u628a\u6574\u4e2a\u6587\u6863\u7ed9\u66ff\u6362\u6389\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5f53\u7b14\u8005\u5728\u4f7f\u7528 BulkOperation \u6765\u6784\u9020\u591a\u4e2a Update \u64cd\u4f5c\u65f6\uff0c\u5c06\u67d0\u4e2a\u503c\u4e3a null \u7684\u5b57\u6bb5\u5199\u5165\u5230 Elasticsearch \u7684 Index \u4e2d\u65f6\uff0c\u4f1a\u53d1\u73b0\u8be5\u503c\u65e0\u6cd5\u88ab\u6b63\u786e\u5730\u5199\u5165\u5230 Index \u4e2d\u3002<\/p>\n<h2>\u95ee\u9898\u6392\u67e5<\/h2>\n<p>\u7b14\u8005\u9996\u5148\u5728 Kibana \u4e2d\u5229\u7528\u63a7\u5236\u53f0\u8fdb\u884c\u5b9e\u9a8c\uff0c\u53d1\u73b0\u66f4\u65b0\u4e00\u6761\u5e26\u6709 null \u503c\u6587\u6863\u662f\u6ca1\u6709\u53ef\u4ee5\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\u660e\u80af\u5b9a\u662f\u6211\u4eec\u7684\u4ee3\u7801\u4e2d\u6709\u95ee\u9898\uff0c\u4e0b\u9762\u6211\u5c06\u4ee3\u7801\u62c6\u51fa\u6765\u8fdb\u884c\u4e86\u6d4b\u8bd5.<\/p>\n<p>\u9996\u5148\u4f7f\u7528 PUT \u547d\u4ee4\u5c06\u4e00\u6761\u6570\u636e\u5199\u5165\u5230 Elasticsearch \u4e2d\u3002<\/p>\n<pre><code class=\"json\">PUT index_test\/_doc\/1\n{\n    &quot;age&quot;: 12,\n    &quot;name&quot;: &quot;John Doe&quot;\n}<\/code><\/pre>\n<p>\u7136\u540e\u4f7f\u7528 Java API \u6765\u5bf9 _id \u4e3a 1 \u7684\u6570\u636e\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n<pre><code class=\"java\">RestClient restClient = RestClient.builder(new HttpHost(&quot;xxx&quot;, 9200)).build();\nElasticsearchTransport transport = new RestClientTransport(restClient, new JacksonJsonpMapper());\nElasticsearchClient client8 = new ElasticsearchClient(transport);\n\nString indexName = &quot;index_test&quot;;\nString esIdVal = &quot;1&quot;;\n\nMap&lt;String, Object&gt; doc = new HashMap&lt;&gt;();\ndoc.put(&quot;age&quot;, null);\ndoc.put(&quot;name&quot;, null);\n\nBulkOperation op = new BulkOperation.Builder().update(i -&gt; i.action(new UpdateAction.Builder&lt;&gt;()\n                    .doc(doc)\n                    .docAsUpsert(true)\n                    .build()).id(esIdVal)).build();\n\nList&lt;BulkOperation&gt; list = Collections.singletonList(op);\n    \nBulkResponse response = client8.bulk(builder -&gt; builder.index(indexName).operations(list));\n\nlogger.info(response.toString());\n\nclient.shutdown();<\/code><\/pre>\n<p>\u8fd0\u884c\u7ed3\u679c\u4e3a\uff1a<\/p>\n<pre><code class=\"json\">{\n    ...\n    &quot;result&quot;:&quot;noop&quot;\n    ...\n}<\/code><\/pre>\n<p>\u8fd4\u56de\u7ed3\u679c\u4e2d\u7684 result \u4e3a noop\uff0c\u8bf4\u660e Elasticsearch \u6ca1\u6709\u5bf9\u6587\u6863\u8fdb\u884c\u5b9e\u9645\u7684\u66f4\u65b0\u64cd\u4f5c\uff0c\u4f46\u662f\u8bf7\u6c42\u7684 doc \u4e2d\u643a\u5e26\u4e86 null \u503c\uff0c\u8fd9\u975e\u5e38\u8be1\u5f02\uff0c\u7b14\u8005\u8fd8\u4e00\u5ea6\u6000\u7591\u662f Elasticsearch \u7684 Java API \u51fa\u4e86 Bug\u3002<\/p>\n<p>\u540e\u6765\u5728\u4ee3\u7801 Review \u65f6\uff0c\u53d1\u73b0\u5728\u521d\u59cb\u5316 ElasticsearchTransport \u65f6\uff0c\u4f20\u5165\u4e86 new JacksonJsonpMapper()\u3002\u7ffb\u770b\u6e90\u7801\u53d1\u73b0\uff0c\u5b83\u5229\u7528\u4e86 Jackson \u4f5c\u4e3a Json \u7684\u5e8f\u5217\u5316\u5668\uff1bJacksonJsonpMapper \u7684\u9ed8\u8ba4\u521d\u59cb\u5316\u4e2d\u6709\u8fd9\u6837\u4e00\u6bb5\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"java\">this(new ObjectMapper()\n    .configure(SerializationFeature.INDENT_OUTPUT, false)\n    .setSerializationInclusion(JsonInclude.Include.NON_NULL)\n);<\/code><\/pre>\n<p>\u7b14\u8005\u770b\u5230 setSerializationInclusion(JsonInclude.Include.NON_NULL) \u65f6\uff0c\u604d\u7136\u5927\u609f\uff0c\u8fd9\u91cc\u914d\u7f6e\u7684\u5e8f\u5217\u5316\u9ed8\u8ba4\u5c06 null \u503c\u6392\u9664\u4e86\uff0c\u4e5f\u5c31\u662f\u4fee\u6539\u4f20\u5165\u7684 ObjectMapper \u5c31\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<pre><code class=\"java\">ElasticsearchTransport transport = new RestClientTransport(restClient, new JacksonJsonpMapper(mapper));<\/code><\/pre>\n<p>\u4ee3\u7801\u4fee\u6539\u540e\uff0cnull \u503c\u80fd\u591f\u6210\u529f\u5730\u5199\u5165\u5230 Elasticsearch \u4e2d\u4e86\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86\u5728 Elasticsearch 8.x Java API \u4e2d Update \u5199\u5165 null \u503c\u65e0\u6548\u7684\u95ee\u9898\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\u3002\u901a\u8fc7\u81ea\u5b9a\u4e49 ObjectMapper \u5e76\u5c06\u5176\u4f20\u9012\u7ed9 JacksonJsonpMapper\uff0c\u6211\u4eec\u53ef\u4ee5\u6210\u529f\u5730\u5c06 null \u503c\u5199\u5165\u5230 Elasticsearch \u4e2d\u3002\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u9700\u8981\u5728\u4f7f\u7528 Elasticsearch Java API \u65f6\u6ce8\u610f\u5e8f\u5217\u5316\u5668\u7684\u914d\u7f6e\uff0c\u4ee5\u514d\u51fa\u73b0\u7c7b\u4f3c\u7684\u95ee\u9898\u3002<\/p>\n<h2>\u53cd\u601d<\/h2>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5206\u4eab\u4e86\u5728\u4f7f\u7528 Elasticsearch 8.x Java API \u8fdb\u884c Update \u64cd\u4f5c\u65f6\u9047\u5230\u7684\u4e00\u4e2a\u95ee\u9898\uff0c\u5373\u5199\u5165 null \u503c\u65e0\u6548\u3002\u901a\u8fc7\u4ee3\u7801\u6392\u67e5\uff0c\u6211\u53d1\u73b0\u662f\u5e8f\u5217\u5316\u5668\u7684\u9ed8\u8ba4\u914d\u7f6e\u5bfc\u81f4\u7684\u3002\u89e3\u51b3\u65b9\u6848\u662f\u81ea\u5b9a\u4e49 ObjectMapper \u5e76\u5c06\u5176\u4f20\u9012\u7ed9 JacksonJsonpMapper\u3002\u8fd9\u4e2a\u95ee\u9898\u7684\u51fa\u73b0\u8ba9\u6211\u53cd\u601d\u4e86\u5728\u4f7f\u7528 Elasticsearch \u65f6\u9700\u8981\u5bf9\u5176\u5185\u90e8\u5b9e\u73b0\u6709\u8db3\u591f\u7684\u4e86\u89e3\uff0c\u9700\u8981\u66f4\u52a0\u8c28\u614e\u5730\u8fdb\u884c\u4ee3\u7801\u5ba1\u6838\u548c\u6d4b\u8bd5\uff0c\u4ee5\u53ca\u66f4\u52a0\u91cd\u89c6\u914d\u7f6e\u7684\u5f71\u54cd\u3002\u8fd9\u4e9b\u53cd\u601d\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u4f7f\u7528 Elasticsearch\uff0c\u5e76\u4e14\u80fd\u591f\u907f\u514d\u4e00\u4e9b\u6f5c\u5728\u7684\u95ee\u9898\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000043959753\">https:\/\/segmentfault.com\/a\/1190000043959753<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 Elasticsearch \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u641c\u7d22\u548c\u5206\u6790\u5f15\u64ce\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u5728\u5927\u89c4\u6a21\u6570\u636e\u96c6\u4e2d\u5feb\u901f\u3001\u51c6\u786e\u5730 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10008024","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008024","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10008024"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008024\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10008024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10008024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10008024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}