{"id":29347,"date":"2023-10-20T04:45:03","date_gmt":"2023-10-11T05:39:19","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/mongodb%e5%9f%ba%e7%a1%80%ef%bc%9a%e4%ba%8b%e5%8a%a1%e5%a4%84%e7%90%86\/"},"modified":"2025-08-12T13:38:53","modified_gmt":"2025-08-12T05:38:53","slug":"mongodb%e5%9f%ba%e7%a1%80%ef%bc%9a%e4%ba%8b%e5%8a%a1%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/mongodb%e5%9f%ba%e7%a1%80%ef%bc%9a%e4%ba%8b%e5%8a%a1%e5%a4%84%e7%90%86\/","title":{"rendered":"MongoDB\u57fa\u7840\uff1a\u4e8b\u52a1\u5904\u7406"},"content":{"rendered":"<h1>\u9996\u5148<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d014337434c4406bcdd13\/1-0.png\" alt=\"image.png\" \/>\u6765\u6e90\uff1ahttps:\/\/docs.mongodb.com\/manual\/core\/transactions-in-applications\/<br \/>\n\u51fa\u5178\uff1ahttps:\/\/docs.mongodb.com\/manual\/core\/transactions-in-applications\/<\/p>\n<p>\u53ea\u6709\u4e00\u4e2a\u8282\u70b9\u4e0d\u88ab\u652f\u6301\u3002\u5982\u679c\u6267\u884c\u5c06\u4f1a\u51fa\u9519\u3002<\/p>\n<pre class=\"post-pre\"><code>Exception in thread \"main\" com.mongodb.MongoClientException: Sessions are not supported by the MongoDB cluster to which this client is connected\r\n    at com.mongodb.client.internal.MongoClientImpl.startSession(MongoClientImpl.java:127)\r\n    at com.mongodb.client.internal.MongoClientImpl.startSession(MongoClientImpl.java:113)\r\n    at mongodb.MongoDBTest.main(MongoDBTest.java:24)\r\n<\/code><\/pre>\n<h1>\u51c6\u5907\u590d\u5236\u96c6\u73af\u5883\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d014337434c4406bcdd13\/6-0.png\" alt=\"image.png\" \/><\/p>\n<h2>\u521b\u5efa\u5404\u4e2a\u8282\u70b9\u7684\u6587\u4ef6\u5939\u8282\u70b91: \/data\/mongo-replicaset\/\u8282\u70b91<br \/>\n\u8282\u70b92: \/data\/mongo-replicaset\/\u8282\u70b92<br \/>\n\u8282\u70b93: \/data\/mongo-replicaset\/\u8282\u70b93<\/p>\n<h2>\u542f\u52a8\u6bcf\u4e2a\u8282\u70b9<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"n\">mongod<\/span> <span class=\"nt\">--replSet<\/span> <span class=\"nx\">my-set<\/span> <span class=\"nt\">--dbpath<\/span> <span class=\"nx\">\/data\/mongo-replicaset\/node1<\/span> <span class=\"nt\">--logpath<\/span> <span class=\"nx\">\/data\/mongo-replicaset\/node1\/node1.log<\/span> <span class=\"nt\">--port<\/span> <span class=\"nx\">27001<\/span>\r\n<span class=\"n\">mongod<\/span> <span class=\"nt\">--replSet<\/span> <span class=\"nx\">my-set<\/span> <span class=\"nt\">--dbpath<\/span> <span class=\"nx\">\/data\/mongo-replicaset\/node2<\/span> <span class=\"nt\">--logpath<\/span> <span class=\"nx\">\/data\/mongo-replicaset\/node2\/node2.log<\/span> <span class=\"nt\">--port<\/span> <span class=\"nx\">27002<\/span>\r\n<span class=\"n\">mongod<\/span> <span class=\"nt\">--replSet<\/span> <span class=\"nx\">my-set<\/span> <span class=\"nt\">--dbpath<\/span> <span class=\"nx\">\/data\/mongo-replicaset\/node3<\/span> <span class=\"nt\">--logpath<\/span> <span class=\"nx\">\/data\/mongo-replicaset\/node3\/node3.log<\/span> <span class=\"nt\">--port<\/span> <span class=\"nx\">27003<\/span>\r\n<\/code><\/pre>\n<h2>\u521d\u59cb\u5316 Relica Set\u8fde\u63a5\u5230Node1\u5e76\u8fdb\u884c\u521d\u59cb\u5316\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">rs<\/span><span class=\"p\">.<\/span><span class=\"nx\">initiate<\/span><span class=\"p\">(<\/span>\r\n<span class=\"p\">{<\/span>\r\n        <span class=\"dl\">\"<\/span><span class=\"s2\">_id<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">my-set<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"dl\">\"<\/span><span class=\"s2\">members<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n                <span class=\"p\">{<\/span>\r\n                        <span class=\"dl\">\"<\/span><span class=\"s2\">_id<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span>\r\n                        <span class=\"dl\">\"<\/span><span class=\"s2\">host<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">localhost:27001<\/span><span class=\"dl\">\"<\/span>\r\n                <span class=\"p\">},<\/span>\r\n                <span class=\"p\">{<\/span>\r\n                        <span class=\"dl\">\"<\/span><span class=\"s2\">_id<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span>\r\n                        <span class=\"dl\">\"<\/span><span class=\"s2\">host<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">localhost:27002<\/span><span class=\"dl\">\"<\/span>\r\n                <span class=\"p\">},<\/span>\r\n                <span class=\"p\">{<\/span>\r\n                        <span class=\"dl\">\"<\/span><span class=\"s2\">_id<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">2<\/span><span class=\"p\">,<\/span>\r\n                        <span class=\"dl\">\"<\/span><span class=\"s2\">host<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">localhost:27003<\/span><span class=\"dl\">\"<\/span>\r\n                <span class=\"p\">}<\/span>\r\n        <span class=\"p\">]<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d014337434c4406bcdd13\/14-0.png\" alt=\"image.png\" \/><\/p>\n<h1>\u7528rs.status()\u6765\u68c0\u67e5\u72b6\u6001<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d014337434c4406bcdd13\/16-0.png\" alt=\"image.png\" \/>\u597d\u7684\u3002\u51c6\u5907\u5de5\u4f5c\u5df2\u7ecf\u5b8c\u6210\u3002<\/p>\n<h1>\u5c1d\u8bd5\u4f7f\u7528JAVA\u8fdb\u884c\u4e8b\u52a1\u5904\u7406<\/p>\n<h2>\u5411\u4e0d\u540c\u7684\u6570\u636e\u5e93\u6dfb\u52a0\u591a\u6761\u8bb0\u5f55\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">package<\/span> <span class=\"nn\">mongodb<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.ReadConcern<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.ReadPreference<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.TransactionOptions<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.WriteConcern<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.client.ClientSession<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.client.MongoClient<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.client.MongoClients<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.client.MongoCollection<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.client.TransactionBody<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Date<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.bson.Document<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">MongoDBTest<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"c1\">\/\/ MongoDB\u30af\u30e9\u30a4\u30f3\u30c8\u3092\u751f\u6210\u3059\u308b<\/span>\r\n        <span class=\"nc\">MongoClient<\/span> <span class=\"n\">client<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">MongoClients<\/span><span class=\"o\">.<\/span><span class=\"na\">create<\/span><span class=\"o\">(<\/span><span class=\"s\">\"mongodb:\/\/localhost:27001,localhost:27002,localhost:27003\"<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"c1\">\/\/ \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u304c\u5b58\u5728\u3057\u306a\u3044\u3068\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u51e6\u7406\u306f\u5b9f\u884c\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u30b3\u30fc\u30c9\u3067\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u3002<\/span>\r\n        <span class=\"c1\">\/\/\uff08\u4e00\u56de\u3060\u3051\u3002\u624b\u52d5\u3067\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3057\u3066\u3082\u3088\u3044\uff09<\/span>\r\n        <span class=\"n\">client<\/span><span class=\"o\">.<\/span><span class=\"na\">getDatabase<\/span><span class=\"o\">(<\/span><span class=\"s\">\"front\"<\/span><span class=\"o\">).<\/span><span class=\"na\">getCollection<\/span><span class=\"o\">(<\/span><span class=\"s\">\"access_log\"<\/span><span class=\"o\">).<\/span><span class=\"na\">withWriteConcern<\/span><span class=\"o\">(<\/span><span class=\"nc\">WriteConcern<\/span><span class=\"o\">.<\/span><span class=\"na\">MAJORITY<\/span><span class=\"o\">)<\/span>\r\n                <span class=\"o\">.<\/span><span class=\"na\">insertOne<\/span><span class=\"o\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">Document<\/span><span class=\"o\">(<\/span><span class=\"s\">\"dummy\"<\/span><span class=\"o\">,<\/span> <span class=\"mi\">0<\/span><span class=\"o\">));<\/span>\r\n        <span class=\"n\">client<\/span><span class=\"o\">.<\/span><span class=\"na\">getDatabase<\/span><span class=\"o\">(<\/span><span class=\"s\">\"server\"<\/span><span class=\"o\">).<\/span><span class=\"na\">getCollection<\/span><span class=\"o\">(<\/span><span class=\"s\">\"users\"<\/span><span class=\"o\">).<\/span><span class=\"na\">withWriteConcern<\/span><span class=\"o\">(<\/span><span class=\"nc\">WriteConcern<\/span><span class=\"o\">.<\/span><span class=\"na\">MAJORITY<\/span><span class=\"o\">)<\/span>\r\n                <span class=\"o\">.<\/span><span class=\"na\">insertOne<\/span><span class=\"o\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">Document<\/span><span class=\"o\">(<\/span><span class=\"s\">\"dummy\"<\/span><span class=\"o\">,<\/span> <span class=\"mi\">0<\/span><span class=\"o\">));<\/span>\r\n\r\n        <span class=\"c1\">\/\/ \u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u751f\u6210\u3059\u308b<\/span>\r\n        <span class=\"nc\">ClientSession<\/span> <span class=\"n\">session<\/span> <span class=\"o\">=<\/span> <span class=\"n\">client<\/span><span class=\"o\">.<\/span><span class=\"na\">startSession<\/span><span class=\"o\">();<\/span>\r\n\r\n        <span class=\"c1\">\/\/ Options\u5b9a\u7fa9<\/span>\r\n        <span class=\"nc\">TransactionOptions<\/span> <span class=\"n\">txnOptions<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">TransactionOptions<\/span><span class=\"o\">.<\/span><span class=\"na\">builder<\/span><span class=\"o\">().<\/span><span class=\"na\">readPreference<\/span><span class=\"o\">(<\/span><span class=\"nc\">ReadPreference<\/span><span class=\"o\">.<\/span><span class=\"na\">primary<\/span><span class=\"o\">())<\/span>\r\n                <span class=\"o\">.<\/span><span class=\"na\">readConcern<\/span><span class=\"o\">(<\/span><span class=\"nc\">ReadConcern<\/span><span class=\"o\">.<\/span><span class=\"na\">LOCAL<\/span><span class=\"o\">).<\/span><span class=\"na\">writeConcern<\/span><span class=\"o\">(<\/span><span class=\"nc\">WriteConcern<\/span><span class=\"o\">.<\/span><span class=\"na\">MAJORITY<\/span><span class=\"o\">).<\/span><span class=\"na\">build<\/span><span class=\"o\">();<\/span>\r\n\r\n        <span class=\"nc\">TransactionBody<\/span> <span class=\"n\">txnBody<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">TransactionBody<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">&gt;()<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"kd\">public<\/span> <span class=\"nc\">String<\/span> <span class=\"nf\">execute<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n                <span class=\"nc\">MongoCollection<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Document<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">frontAccessLog<\/span> <span class=\"o\">=<\/span> <span class=\"n\">client<\/span><span class=\"o\">.<\/span><span class=\"na\">getDatabase<\/span><span class=\"o\">(<\/span><span class=\"s\">\"front\"<\/span><span class=\"o\">).<\/span><span class=\"na\">getCollection<\/span><span class=\"o\">(<\/span><span class=\"s\">\"access_log\"<\/span><span class=\"o\">);<\/span>\r\n                <span class=\"nc\">MongoCollection<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Document<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">serverUsers<\/span> <span class=\"o\">=<\/span> <span class=\"n\">client<\/span><span class=\"o\">.<\/span><span class=\"na\">getDatabase<\/span><span class=\"o\">(<\/span><span class=\"s\">\"server\"<\/span><span class=\"o\">).<\/span><span class=\"na\">getCollection<\/span><span class=\"o\">(<\/span><span class=\"s\">\"users\"<\/span><span class=\"o\">);<\/span>\r\n\r\n                <span class=\"c1\">\/\/ \u30a2\u30af\u30bb\u30b9\u30ed\u30b0<\/span>\r\n                <span class=\"nc\">Document<\/span> <span class=\"n\">accessLog<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Document<\/span><span class=\"o\">();<\/span>\r\n                <span class=\"n\">accessLog<\/span><span class=\"o\">.<\/span><span class=\"na\">append<\/span><span class=\"o\">(<\/span><span class=\"s\">\"log\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"xxxx\"<\/span><span class=\"o\">);<\/span>\r\n                <span class=\"n\">accessLog<\/span><span class=\"o\">.<\/span><span class=\"na\">append<\/span><span class=\"o\">(<\/span><span class=\"s\">\"acccessDate\"<\/span><span class=\"o\">,<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Date<\/span><span class=\"o\">());<\/span>\r\n\r\n                <span class=\"n\">frontAccessLog<\/span><span class=\"o\">.<\/span><span class=\"na\">insertOne<\/span><span class=\"o\">(<\/span><span class=\"n\">session<\/span><span class=\"o\">,<\/span> <span class=\"n\">accessLog<\/span><span class=\"o\">);<\/span>\r\n\r\n                <span class=\"c1\">\/\/ \u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf<\/span>\r\n                <span class=\"nc\">Document<\/span> <span class=\"n\">user<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Document<\/span><span class=\"o\">();<\/span>\r\n                <span class=\"n\">user<\/span><span class=\"o\">.<\/span><span class=\"na\">append<\/span><span class=\"o\">(<\/span><span class=\"s\">\"lastName\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"tanaka\"<\/span><span class=\"o\">);<\/span>\r\n                <span class=\"n\">user<\/span><span class=\"o\">.<\/span><span class=\"na\">append<\/span><span class=\"o\">(<\/span><span class=\"s\">\"firstName\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"tarou\"<\/span><span class=\"o\">);<\/span>\r\n                <span class=\"n\">user<\/span><span class=\"o\">.<\/span><span class=\"na\">append<\/span><span class=\"o\">(<\/span><span class=\"s\">\"createDate\"<\/span><span class=\"o\">,<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Date<\/span><span class=\"o\">());<\/span>\r\n\r\n                <span class=\"n\">serverUsers<\/span><span class=\"o\">.<\/span><span class=\"na\">insertOne<\/span><span class=\"o\">(<\/span><span class=\"n\">session<\/span><span class=\"o\">,<\/span> <span class=\"n\">user<\/span><span class=\"o\">);<\/span>\r\n\r\n                <span class=\"k\">return<\/span> <span class=\"s\">\"OK\"<\/span><span class=\"o\">;<\/span>\r\n            <span class=\"o\">}<\/span>\r\n        <span class=\"o\">};<\/span>\r\n\r\n        <span class=\"k\">try<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"c1\">\/\/ \u540c\u3058\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u51e6\u7406<\/span>\r\n            <span class=\"n\">session<\/span><span class=\"o\">.<\/span><span class=\"na\">withTransaction<\/span><span class=\"o\">(<\/span><span class=\"n\">txnBody<\/span><span class=\"o\">,<\/span> <span class=\"n\">txnOptions<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"o\">}<\/span> <span class=\"k\">catch<\/span> <span class=\"o\">(<\/span><span class=\"nc\">RuntimeException<\/span> <span class=\"n\">e<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"c1\">\/\/ \u7570\u5e38\u51e6\u7406<\/span>\r\n\r\n        <span class=\"o\">}<\/span> <span class=\"k\">finally<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"n\">session<\/span><span class=\"o\">.<\/span><span class=\"na\">close<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"o\">}<\/span>\r\n\r\n        <span class=\"c1\">\/\/ \u30af\u30e9\u30a4\u30f3\u30c8\u3092\u9589\u3058\u308b<\/span>\r\n        <span class=\"n\">client<\/span><span class=\"o\">.<\/span><span class=\"na\">close<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d014337434c4406bcdd13\/21-0.png\" alt=\"image.png\" \/><\/p>\n<h2>\u5728\u540c\u4e00\u4e2a\u6570\u636e\u5e93\u4e2d\u5904\u7406\u591a\u6761\u8bb0\u5f55<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">package<\/span> <span class=\"nn\">mongodb<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.ReadConcern<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.ReadPreference<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.TransactionOptions<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.WriteConcern<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.client.ClientSession<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.client.MongoClient<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.client.MongoClients<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.client.MongoCollection<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.client.TransactionBody<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">com.mongodb.client.model.Filters<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Date<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.bson.Document<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">MongoDBTest<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"c1\">\/\/ MongoDB\u30af\u30e9\u30a4\u30f3\u30c8\u3092\u751f\u6210\u3059\u308b<\/span>\r\n        <span class=\"nc\">MongoClient<\/span> <span class=\"n\">client<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">MongoClients<\/span><span class=\"o\">.<\/span><span class=\"na\">create<\/span><span class=\"o\">(<\/span><span class=\"s\">\"mongodb:\/\/localhost:27001,localhost:27002,localhost:27003\"<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"c1\">\/\/ \u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u751f\u6210\u3059\u308b<\/span>\r\n        <span class=\"nc\">ClientSession<\/span> <span class=\"n\">session<\/span> <span class=\"o\">=<\/span> <span class=\"n\">client<\/span><span class=\"o\">.<\/span><span class=\"na\">startSession<\/span><span class=\"o\">();<\/span>\r\n\r\n        <span class=\"c1\">\/\/ Options\u5b9a\u7fa9<\/span>\r\n        <span class=\"nc\">TransactionOptions<\/span> <span class=\"n\">txnOptions<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">TransactionOptions<\/span><span class=\"o\">.<\/span><span class=\"na\">builder<\/span><span class=\"o\">().<\/span><span class=\"na\">readPreference<\/span><span class=\"o\">(<\/span><span class=\"nc\">ReadPreference<\/span><span class=\"o\">.<\/span><span class=\"na\">primary<\/span><span class=\"o\">())<\/span>\r\n                <span class=\"o\">.<\/span><span class=\"na\">readConcern<\/span><span class=\"o\">(<\/span><span class=\"nc\">ReadConcern<\/span><span class=\"o\">.<\/span><span class=\"na\">LOCAL<\/span><span class=\"o\">).<\/span><span class=\"na\">writeConcern<\/span><span class=\"o\">(<\/span><span class=\"nc\">WriteConcern<\/span><span class=\"o\">.<\/span><span class=\"na\">MAJORITY<\/span><span class=\"o\">).<\/span><span class=\"na\">build<\/span><span class=\"o\">();<\/span>\r\n\r\n        <span class=\"nc\">TransactionBody<\/span> <span class=\"n\">txnBody<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">TransactionBody<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">&gt;()<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"kd\">public<\/span> <span class=\"nc\">String<\/span> <span class=\"nf\">execute<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n                <span class=\"nc\">MongoCollection<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Document<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">frontAccessLog<\/span> <span class=\"o\">=<\/span> <span class=\"n\">client<\/span><span class=\"o\">.<\/span><span class=\"na\">getDatabase<\/span><span class=\"o\">(<\/span><span class=\"s\">\"front\"<\/span><span class=\"o\">).<\/span><span class=\"na\">getCollection<\/span><span class=\"o\">(<\/span><span class=\"s\">\"access_log\"<\/span><span class=\"o\">);<\/span>\r\n\r\n                <span class=\"c1\">\/\/ \u30c0\u30df\u30fc\u30c7\u30fc\u30bf\u3092\u524a\u9664<\/span>\r\n                <span class=\"n\">frontAccessLog<\/span><span class=\"o\">.<\/span><span class=\"na\">deleteOne<\/span><span class=\"o\">(<\/span><span class=\"nc\">Filters<\/span><span class=\"o\">.<\/span><span class=\"na\">eq<\/span><span class=\"o\">(<\/span><span class=\"s\">\"dummy\"<\/span><span class=\"o\">,<\/span> <span class=\"mi\">0<\/span><span class=\"o\">));<\/span>\r\n\r\n                <span class=\"c1\">\/\/ \u30a2\u30af\u30bb\u30b9\u30ed\u30b0<\/span>\r\n                <span class=\"nc\">Document<\/span> <span class=\"n\">accessLog<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Document<\/span><span class=\"o\">();<\/span>\r\n                <span class=\"n\">accessLog<\/span><span class=\"o\">.<\/span><span class=\"na\">append<\/span><span class=\"o\">(<\/span><span class=\"s\">\"log\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"yyyyy\"<\/span><span class=\"o\">);<\/span>\r\n                <span class=\"n\">accessLog<\/span><span class=\"o\">.<\/span><span class=\"na\">append<\/span><span class=\"o\">(<\/span><span class=\"s\">\"acccessDate\"<\/span><span class=\"o\">,<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Date<\/span><span class=\"o\">());<\/span>\r\n\r\n                <span class=\"n\">frontAccessLog<\/span><span class=\"o\">.<\/span><span class=\"na\">insertOne<\/span><span class=\"o\">(<\/span><span class=\"n\">session<\/span><span class=\"o\">,<\/span> <span class=\"n\">accessLog<\/span><span class=\"o\">);<\/span>\r\n\r\n                <span class=\"c1\">\/\/ \u7570\u5e38\u306b\u3059\u308b<\/span>\r\n                <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">RuntimeException<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u51e6\u7406\u5931\u6557\u3067\u3059\u3002\"<\/span><span class=\"o\">);<\/span>\r\n                <span class=\"c1\">\/\/ return \"OK\";<\/span>\r\n            <span class=\"o\">}<\/span>\r\n        <span class=\"o\">};<\/span>\r\n\r\n        <span class=\"k\">try<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"c1\">\/\/ \u540c\u3058\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u51e6\u7406<\/span>\r\n            <span class=\"n\">session<\/span><span class=\"o\">.<\/span><span class=\"na\">withTransaction<\/span><span class=\"o\">(<\/span><span class=\"n\">txnBody<\/span><span class=\"o\">,<\/span> <span class=\"n\">txnOptions<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"o\">}<\/span> <span class=\"k\">catch<\/span> <span class=\"o\">(<\/span><span class=\"nc\">RuntimeException<\/span> <span class=\"n\">e<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"c1\">\/\/ \u7570\u5e38\u51e6\u7406<\/span>\r\n            <span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"na\">printStackTrace<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"o\">}<\/span> <span class=\"k\">finally<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"n\">session<\/span><span class=\"o\">.<\/span><span class=\"na\">close<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"o\">}<\/span>\r\n\r\n        <span class=\"c1\">\/\/ \u30af\u30e9\u30a4\u30f3\u30c8\u3092\u9589\u3058\u308b<\/span>\r\n        <span class=\"n\">client<\/span><span class=\"o\">.<\/span><span class=\"na\">close<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u4f60\u7279\u610f\u6162\u52a8\u4f5c\uff0c\u53ef\u4ee5\u786e\u8ba4DB\u6570\u636e\u6ca1\u6709\u53d8\u5316\u3002<br \/>\n\u5f53\u5220\u9664throw new RuntimeException(&#8220;\u51e6\u7406\u5931\u6557\u3067\u3059\u3002&#8221;);\u540e\uff0c\u6210\u529f\u5730\u8fdb\u884c\u4e86\u9884\u671f\u7684\u6570\u636e\u5220\u9664\u548c\u63d2\u5165\u3002<\/p>\n<p>\u4e8b\u52a1URL\uff1ahttps:\/\/docs.mongodb.com\/manual\/core\/transactions\/<br \/>\n\u590d\u5236\uff1ahttps:\/\/docs.mongodb.com\/manual\/replication\/<br \/>\n\u642d\u5efa\u526f\u672c\u96c6\uff1ahttps:\/\/docs.mongodb.com\/manual\/tutorial\/deploy-replica-set\/<br \/>\n\u526f\u672c\u96c6\u8ba4\u8bc1\u8bbe\u7f6e\uff1ahttps:\/\/docs.mongodb.com\/manual\/tutorial\/deploy-replica-set-with-keyfile-access-control\/<\/p>\n<p>\u4ee5\u4e0a<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u6765\u6e90\uff1ahttps:\/\/docs.mongodb.com\/manual\/core\/transactions [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29347","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MongoDB\u57fa\u7840\uff1a\u4e8b\u52a1\u5904\u7406 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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