{"id":96728,"date":"2024-10-20T11:52:19","date_gmt":"2024-10-20T03:52:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96728\/"},"modified":"2024-10-20T11:52:20","modified_gmt":"2024-10-20T03:52:20","slug":"postgresql-0z002-stacked_diagnostics_accessed_without_active_handler-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96728\/","title":{"rendered":"PostgreSQL 0Z002: stacked_diagnostics_accessed_without_active_handler \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"postgresql-0z002-stacked_diagnostics_accessed_without_active_handler-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-yIetiFLBtd\">PostgreSQL 0Z002: stacked_diagnostics_accessed_without_active_handler \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 PostgreSQL \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u548c\u8b66\u544a\u3002\u5176\u4e2d\u4e00\u500b\u5e38\u898b\u7684\u932f\u8aa4\u662f\u300c<code>0Z002: stacked_diagnostics_accessed_without_active_handler<\/code>\u300d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u932f\u8aa4\u8655\u7406\u6a5f\u5236\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528 PL\/pgSQL \u6216\u5176\u4ed6\u7a0b\u5e8f\u8a9e\u8a00\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-yIetiFLBtd\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>\u7576 PostgreSQL \u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u9047\u5230\u932f\u8aa4\u6642\uff0c\u6703\u751f\u6210\u4e00\u500b\u932f\u8aa4\u8a3a\u65b7\u5806\u758a\uff08stacked diagnostics\uff09\u3002\u9019\u4e9b\u8a3a\u65b7\u4fe1\u606f\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u4e86\u89e3\u932f\u8aa4\u7684\u5177\u9ad4\u60c5\u6cc1\u3002\u7136\u800c\uff0c\u7576\u958b\u767c\u8005\u5617\u8a66\u5728\u6c92\u6709\u6d3b\u52d5\u7684\u932f\u8aa4\u8655\u7406\u7a0b\u5e8f\u7684\u60c5\u6cc1\u4e0b\u8a2a\u554f\u9019\u4e9b\u8a3a\u65b7\u4fe1\u606f\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u300c<code>stacked_diagnostics_accessed_without_active_handler<\/code>\u300d\u7684\u932f\u8aa4\u3002<\/p>\n<p>\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u5728 PL\/pgSQL \u51fd\u6578\u4e2d\uff0c\u958b\u767c\u8005\u4f7f\u7528\u4e86 <code>GET DIAGNOSTICS<\/code> \u8a9e\u53e5\uff0c\u4f46\u6c92\u6709\u6b63\u78ba\u8a2d\u7f6e\u932f\u8aa4\u8655\u7406\u7a0b\u5e8f\u3002<\/li>\n<li>\u5728\u89f8\u767c\u5668\u6216\u5176\u4ed6\u7a0b\u5e8f\u4e2d\uff0c\u932f\u8aa4\u8655\u7406\u908f\u8f2f\u672a\u80fd\u6b63\u78ba\u6355\u7372\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-yIetiFLBtd\">\u5f71\u97ff<\/h2>\n<p>\u9019\u500b\u932f\u8aa4\u6703\u5c0e\u81f4\u7a0b\u5e8f\u7121\u6cd5\u6b63\u5e38\u57f7\u884c\uff0c\u4e26\u53ef\u80fd\u5f71\u97ff\u5230\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6216\u9032\u884c\u8907\u96dc\u8a08\u7b97\u6642\uff0c\u672a\u80fd\u6b63\u78ba\u6355\u7372\u548c\u8655\u7406\u932f\u8aa4\u53ef\u80fd\u6703\u5c0e\u81f4\u66f4\u56b4\u91cd\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-yIetiFLBtd\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u8981\u4fee\u5fa9\u300c<code>stacked_diagnostics_accessed_without_active_handler<\/code>\u300d\u932f\u8aa4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86%e7%a8%8b%e5%ba%8f-yIetiFLBtd\">1. \u6aa2\u67e5\u932f\u8aa4\u8655\u7406\u7a0b\u5e8f<\/h3>\n<p>\u78ba\u4fdd\u5728 PL\/pgSQL \u51fd\u6578\u4e2d\u6b63\u78ba\u8a2d\u7f6e\u4e86\u932f\u8aa4\u8655\u7406\u7a0b\u5e8f\u3002\u53ef\u4ee5\u4f7f\u7528 <code>BEGIN ... EXCEPTION ... END<\/code> \u7d50\u69cb\u4f86\u6355\u7372\u932f\u8aa4\u3002<\/p>\n<pre><code>CREATE OR REPLACE FUNCTION example_function() RETURNS VOID AS $$\nBEGIN\n    -- \u53ef\u80fd\u6703\u5f15\u767c\u932f\u8aa4\u7684\u4ee3\u78bc\n    PERFORM some_operation();\nEXCEPTION\n    WHEN OTHERS THEN\n        -- \u932f\u8aa4\u8655\u7406\u908f\u8f2f\n        RAISE NOTICE 'Error occurred: %', SQLERRM;\nEND;\n$$ LANGUAGE plpgsql;<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-get-diagnostics-yIetiFLBtd\">2. \u4f7f\u7528 GET DIAGNOSTICS<\/h3>\n<p>\u5728\u932f\u8aa4\u8655\u7406\u7a0b\u5e8f\u4e2d\u4f7f\u7528 <code>GET DIAGNOSTICS<\/code> \u4f86\u7372\u53d6\u932f\u8aa4\u4fe1\u606f\u3002\u78ba\u4fdd\u9019\u500b\u8a9e\u53e5\u5728 <code>EXCEPTION<\/code> \u5340\u584a\u5167\u90e8\u3002<\/p>\n<pre><code>EXCEPTION\n    WHEN OTHERS THEN\n        GET DIAGNOSTICS v_error_message = MESSAGE_TEXT;\n        RAISE NOTICE 'Error message: %', v_error_message;\nEND;<\/code><\/pre>\n<h3 id=\"3-%e6%b8%ac%e8%a9%a6%e5%92%8c%e9%a9%97%e8%ad%89-yIetiFLBtd\">3. \u6e2c\u8a66\u548c\u9a57\u8b49<\/h3>\n<p>\u5728\u9032\u884c\u4fee\u6539\u5f8c\uff0c\u52d9\u5fc5\u6e2c\u8a66\u51fd\u6578\u4ee5\u78ba\u4fdd\u932f\u8aa4\u8655\u7406\u908f\u8f2f\u6b63\u5e38\u904b\u4f5c\u3002\u53ef\u4ee5\u4f7f\u7528 <code>RAISE EXCEPTION<\/code> \u4f86\u6a21\u64ec\u932f\u8aa4\uff0c\u6aa2\u67e5\u662f\u5426\u80fd\u6b63\u78ba\u6355\u7372\u548c\u8655\u7406\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-yIetiFLBtd\">\u9060\u7a0b\u8655\u7406<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u9060\u7a0b\u8655\u7406 PostgreSQL \u6578\u64da\u5eab\u4e2d\u7684\u932f\u8aa4\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4f7f\u7528\u9060\u7a0b\u9023\u63a5\u5de5\u5177\uff08\u5982 pgAdmin \u6216\u5176\u4ed6 SQL \u5ba2\u6236\u7aef\uff09\u4f86\u5be6\u73fe\u3002\u78ba\u4fdd\u5728\u9060\u7a0b\u74b0\u5883\u4e2d\u4e5f\u6b63\u78ba\u8a2d\u7f6e\u4e86\u932f\u8aa4\u8655\u7406\u7a0b\u5e8f\uff0c\u4e26\u80fd\u5920\u8a2a\u554f\u8a3a\u65b7\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-yIetiFLBtd\">\u7e3d\u7d50<\/h2>\n<p>\u300c<code>0Z002: stacked_diagnostics_accessed_without_active_handler<\/code>\u300d\u932f\u8aa4\u662f PostgreSQL \u4e2d\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u4e3b\u8981\u8207\u932f\u8aa4\u8655\u7406\u6a5f\u5236\u6709\u95dc\u3002\u901a\u904e\u6b63\u78ba\u8a2d\u7f6e\u932f\u8aa4\u8655\u7406\u7a0b\u5e8f\u548c\u4f7f\u7528 <code>GET DIAGNOSTICS<\/code>\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u6355\u7372\u548c\u8655\u7406\u932f\u8aa4\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u548c\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u70ba\u60a8\u7684\u6578\u64da\u5eab\u63d0\u4f9b\u7a69\u5b9a\u7684\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to troubleshoot and fix the PostgreSQL 0Z002 error: stacked_diagnostics_accessed_without_active_handler with remote handling solutions.<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-96728","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96728","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=96728"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96728\/revisions"}],"predecessor-version":[{"id":96729,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96728\/revisions\/96729"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}