{"id":21352,"date":"2024-01-02T07:57:28","date_gmt":"2024-01-02T07:57:28","guid":{"rendered":"https:\/\/server.hk\/blog\/21352\/"},"modified":"2024-11-14T10:36:10","modified_gmt":"2024-11-14T02:36:10","slug":"how-to-fix-postgresql-error-code-25002-branch_transaction_already_active","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21352\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a25002 &#8211; branch_transaction_already_active"},"content":{"rendered":"<h1 id=\"how-to-fix-postgresql-error-code-25002-branch_transaction_already_active-jAHTKvnUvP\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a25002 &#8211; branch_transaction_already_active<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u5f0f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5168\u7403\u958b\u767c\u8005\u548c\u7d44\u7e54\u3002\u7136\u800c\uff0c\u8207\u4efb\u4f55\u8edf\u4ef6\u4e00\u6a23\uff0cPostgreSQL \u4e5f\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u932f\u8aa4\uff0c\u5f71\u97ff\u5176\u6b63\u5e38\u904b\u884c\u3002\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a25002 &#8211; branch_transaction_already_active\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u4e26\u63d0\u4f9b\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"understanding-postgresql-error-code-25002-branch_transaction_already_active-jAHTKvnUvP\">\u7406\u89e3 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a25002 &#8211; branch_transaction_already_active<\/h2>\n<p>\u7576\u4e00\u500b\u4e8b\u52d9\u8a66\u5716\u555f\u52d5\u4e00\u500b\u65b0\u4e8b\u52d9\u5206\u652f\u6642\uff0c\u5982\u679c\u53e6\u4e00\u500b\u4e8b\u52d9\u5206\u652f\u5df2\u7d93\u8655\u65bc\u6d3b\u52d5\u72c0\u614b\uff0c\u5247\u6703\u51fa\u73fe PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a25002 &#8211; branch_transaction_already_active\u3002\u5728 PostgreSQL \u4e2d\uff0c\u4e8b\u52d9\u5206\u652f\u4ee3\u8868\u4e00\u500b\u53ef\u4ee5\u7368\u7acb\u63d0\u4ea4\u6216\u56de\u6efe\u7684\u5de5\u4f5c\u55ae\u5143\u3002\u6b64\u932f\u8aa4\u901a\u5e38\u767c\u751f\u65bc\u4e26\u767c\u4e8b\u52d9\u4e4b\u9593\u51fa\u73fe\u885d\u7a81\u6642\u3002<\/p>\n<h2 id=\"possible-causes-of-the-error-jAHTKvnUvP\">\u932f\u8aa4\u7684\u53ef\u80fd\u539f\u56e0<\/h2>\n<p>\u5c0e\u81f4 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a25002 &#8211; branch_transaction_already_active \u7684\u539f\u56e0\u6709\u591a\u7a2e\uff1a<\/p>\n<ul>\n<li><strong>\u4e26\u767c\u554f\u984c\uff1a<\/strong>\u7576\u591a\u500b\u4e8b\u52d9\u540c\u6642\u8a66\u5716\u8a2a\u554f\u6216\u4fee\u6539\u76f8\u540c\u6578\u64da\u6642\uff0c\u82e5\u67d0\u500b\u4e8b\u52d9\u5df2\u7d93\u555f\u52d5\u4e86\u4e00\u500b\u5206\u652f\uff0c\u5176\u4ed6\u4e8b\u52d9\u5728\u8a66\u5716\u555f\u52d5\u65b0\u5206\u652f\u6642\u53ef\u80fd\u6703\u9047\u5230\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6b7b\u9396\uff1a<\/strong>\u6b7b\u9396\u4e5f\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u6b7b\u9396\u767c\u751f\u5728\u5169\u500b\u6216\u66f4\u591a\u4e8b\u52d9\u76f8\u4e92\u7b49\u5f85\u5c0d\u65b9\u91cb\u653e\u8cc7\u6e90\uff0c\u5f62\u6210\u7121\u6cd5\u89e3\u6c7a\u7684\u5faa\u74b0\u4f9d\u8cf4\u3002<\/li>\n<li><strong>\u4e8b\u52d9\u7ba1\u7406\u4e0d\u7576\uff1a<\/strong>\u5982\u679c\u61c9\u7528\u7a0b\u5f0f\u4ee3\u78bc\u4e2d\u7684\u4e8b\u52d9\u7ba1\u7406\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5728\u555f\u52d5\u65b0\u4e8b\u52d9\u4e4b\u524d\u672a\u80fd\u63d0\u4ea4\u6216\u56de\u6efe\u524d\u4e00\u500b\u4e8b\u52d9\uff0c\u53ef\u80fd\u6703\u5f15\u767c\u885d\u7a81\u3002<\/li>\n<\/ul>\n<h2 id=\"fixing-the-postgresql-error-code-25002-branch_transaction_already_active-jAHTKvnUvP\">\u89e3\u6c7a PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a25002 &#8211; branch_transaction_already_active \u7684\u65b9\u6cd5<\/h2>\n<p>\u4ee5\u4e0b\u662f\u89e3\u6c7a PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a25002 &#8211; branch_transaction_already_active \u7684\u4e00\u4e9b\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-analyze-and-optimize-queries-jAHTKvnUvP\">1. \u5206\u6790\u4e26\u512a\u5316\u67e5\u8a62<\/h3>\n<p>\u6aa2\u67e5\u61c9\u7528\u7a0b\u5f0f\u4e2d\u7684\u67e5\u8a62\uff0c\u8b58\u5225\u4efb\u4f55\u9577\u6642\u9593\u904b\u884c\u6216\u8cc7\u6e90\u5bc6\u96c6\u578b\u7684\u67e5\u8a62\u3002\u512a\u5316\u9019\u4e9b\u67e5\u8a62\u4ee5\u6e1b\u5c11\u4e8b\u52d9\u885d\u7a81\u7684\u53ef\u80fd\u6027\u3002\u4f7f\u7528\u9069\u7576\u7684\u7d22\u5f15\u3001\u91cd\u5beb\u8907\u96dc\u67e5\u8a62\uff0c\u6216\u5728\u5fc5\u8981\u6642\u8003\u616e\u6578\u64da\u53bb\u898f\u7bc4\u5316\u3002<\/p>\n<h3 id=\"2-implement-proper-transaction-management-jAHTKvnUvP\">2. \u5be6\u65bd\u6b63\u78ba\u7684\u4e8b\u52d9\u7ba1\u7406<\/h3>\n<p>\u78ba\u4fdd\u61c9\u7528\u7a0b\u5f0f\u4ee3\u78bc\u4e2d\u7684\u4e8b\u52d9\u7ba1\u7406\u6b63\u78ba\u3002\u5728\u555f\u52d5\u65b0\u4e8b\u52d9\u4e4b\u524d\uff0c\u59cb\u7d42\u63d0\u4ea4\u6216\u56de\u6efe\u7576\u524d\u4e8b\u52d9\u3002\u907f\u514d\u9577\u6642\u9593\u904b\u884c\u7684\u4e8b\u52d9\uff0c\u56e0\u70ba\u5b83\u5011\u53ef\u80fd\u6703\u9577\u671f\u4f54\u7528\u9396\u3002\u8003\u616e\u4f7f\u7528\u77ed\u671f\u4e8b\u52d9\uff0c\u6216\u8005\u5be6\u65bd\u91cd\u8a66\u6a5f\u5236\u4f86\u8655\u7406\u885d\u7a81\u3002<\/p>\n<h3 id=\"3-use-explicit-locking-jAHTKvnUvP\">3. \u4f7f\u7528\u986f\u5f0f\u9396\u5b9a<\/h3>\n<p>\u5982\u679c\u983b\u7e41\u9047\u5230\u4e8b\u52d9\u885d\u7a81\uff0c\u53ef\u4ee5\u4f7f\u7528\u986f\u5f0f\u9396\u5b9a\u4f86\u63a7\u5236\u8cc7\u6e90\u7684\u8a2a\u554f\u3002PostgreSQL \u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u5b9a\u6a5f\u5236\uff0c\u5982\u884c\u7d1a\u9396\u6216\u8aee\u8a62\u9396\uff0c\u53ef\u4ee5\u5e6b\u52a9\u9632\u6b62\u885d\u7a81\u3002\u4f46\u5728\u4f7f\u7528\u986f\u5f0f\u9396\u5b9a\u6642\u8981\u5c0f\u5fc3\uff0c\u56e0\u70ba\u5982\u679c\u4f7f\u7528\u4e0d\u7576\uff0c\u5b83\u672c\u8eab\u4e5f\u53ef\u80fd\u5f15\u5165\u65b0\u7684\u554f\u984c\u3002<\/p>\n<h3 id=\"4-monitor-and-resolve-deadlocks-jAHTKvnUvP\">4. \u76e3\u63a7\u4e26\u89e3\u6c7a\u6b7b\u9396<\/h3>\n<p>\u5982\u679c\u662f\u6b7b\u9396\u5c0e\u81f4\u4e86 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a25002 &#8211; branch_transaction_already_active\uff0c\u4f60\u9700\u8981\u76e3\u63a7\u4e26\u89e3\u6c7a\u5b83\u5011\u3002PostgreSQL \u63d0\u4f9b\u4e86\u5de5\u5177\uff0c\u5982 <code>pg_stat_activity<\/code> \u8996\u5716\u548c <code>pg_locks<\/code> \u8996\u5716\uff0c\u7528\u65bc\u8b58\u5225\u548c\u5206\u6790\u6b7b\u9396\u3002\u8abf\u6574\u61c9\u7528\u908f\u8f2f\uff0c\u6216\u4f7f\u7528\u6b7b\u9396\u6aa2\u6e2c\u548c\u89e3\u6c7a\u6280\u8853\uff0c\u6709\u6548\u9632\u6b62\u6216\u8655\u7406\u6b7b\u9396\u3002<\/p>\n<h3 id=\"5-upgrade-postgresql-jAHTKvnUvP\">5. \u5347\u7d1a PostgreSQL<\/h3>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u4f7f\u7528\u820a\u7248\u672c\u7684 PostgreSQL\uff0c\u8003\u616e\u5347\u7d1a\u81f3\u6700\u65b0\u7684\u7a69\u5b9a\u7248\u672c\u3002\u65b0\u7248\u672c\u901a\u5e38\u5305\u542b\u932f\u8aa4\u4fee\u5fa9\u3001\u6027\u80fd\u6539\u9032\u548c\u4e8b\u52d9\u8655\u7406\u589e\u5f37\uff0c\u9019\u6709\u52a9\u65bc\u6e1b\u5c11\u6b64\u932f\u8aa4\u7684\u767c\u751f\u3002<\/p>\n<h2 id=\"summary-jAHTKvnUvP\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a25002 &#8211; branch_transaction_already_active \u53ef\u80fd\u7531\u4e26\u767c\u554f\u984c\u3001\u6b7b\u9396\u6216\u4e8b\u52d9\u7ba1\u7406\u4e0d\u7576\u5f15\u8d77\u3002\u8981\u89e3\u6c7a\u6b64\u932f\u8aa4\uff0c\u53ef\u5206\u6790\u4e26\u512a\u5316\u67e5\u8a62\u3001\u5be6\u65bd\u6b63\u78ba\u7684\u4e8b\u52d9\u7ba1\u7406\u3001\u5728\u5fc5\u8981\u6642\u4f7f\u7528\u986f\u5f0f\u9396\u5b9a\u3001\u76e3\u63a7\u4e26\u89e3\u6c7a\u6b7b\u9396\uff0c\u4e26\u8003\u616e\u5347\u7d1a\u81f3\u6700\u65b0\u7248\u672c\u7684 PostgreSQL\u3002\u5982\u679c\u9047\u5230\u6b64\u932f\u8aa4\uff0c\u5fc5\u9808\u6df1\u5165\u8abf\u67e5\u6839\u672c\u539f\u56e0\u4e26\u63a1\u53d6\u9069\u7576\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u4ee5\u78ba\u4fdd PostgreSQL \u6578\u64da\u5eab\u7684\u9806\u66a2\u904b\u884c\u3002<\/p>\n<p>\u5982\u9700\u53ef\u9760\u4e14\u9ad8\u6548\u80fd\u7684 VPS \u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002\u6211\u5011\u7684\u5148\u9032\u57fa\u790e\u8a2d\u65bd\u548c\u5353\u8d8a\u652f\u63f4\u70ba\u60a8\u7684\u7279\u5b9a\u9700\u6c42\u63d0\u4f9b\u9802\u7d1a\u7684 VPS \u8a17\u7ba1\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4fee\u5fa9 PostgreSQL &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-21352","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=21352"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21352\/revisions"}],"predecessor-version":[{"id":24149,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21352\/revisions\/24149"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}