{"id":21484,"date":"2024-01-02T10:09:23","date_gmt":"2024-01-02T10:09:23","guid":{"rendered":"https:\/\/server.hk\/blog\/21484\/"},"modified":"2024-11-14T10:33:30","modified_gmt":"2024-11-14T02:33:30","slug":"how-to-fix-postgresql-error-code-hv009-fdw_invalid_use_of_null_pointer","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21484\/","title":{"rendered":"\u5982\u4f55\u89e3\u6c7a PostgreSQL \u932f\u8aa4\u78bc\uff1aHV009 &#8211; fdw_invalid_use_of_null_pointer"},"content":{"rendered":"<h1 id=\"how-to-fix-postgresql-error-code-hv009-fdw_invalid_use_of_null_pointer-nWhrQBevwv\">\u5982\u4f55\u89e3\u6c7a PostgreSQL \u932f\u8aa4\u78bc\uff1aHV009 &#8211; fdw_invalid_use_of_null_pointer<\/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\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5f0f\u4e2d\u3002\u7136\u800c\uff0c\u5c31\u50cf\u4efb\u4f55\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u53ef\u80fd\u6703\u906d\u9047\u932f\u8aa4\uff0c\u5f71\u97ff\u5176\u6b63\u5e38\u904b\u884c\u3002\u5176\u4e2d\u4e00\u500b\u932f\u8aa4\u5373\u662f HV009 \u932f\u8aa4\u78bc\uff0c\u5177\u9ad4\u4f86\u8aaa\u662f &#8220;fdw_invalid_use_of_null_pointer&#8221; \u932f\u8aa4\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u7a76\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u4e26\u63d0\u4f9b\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"understanding-the-hv009-error-code-nWhrQBevwv\">\u7406\u89e3 HV009 \u932f\u8aa4\u78bc<\/h2>\n<p>\u5728 PostgreSQL \u4e2d\uff0cHV009 \u932f\u8aa4\u78bc\u8868\u793a\u5916\u90e8\u6578\u64da\u5305\u88dd\u5668\uff08FDW\uff09\u4e2d\u5c0d\u7a7a\u6307\u91dd\u7684\u7121\u6548\u4f7f\u7528\u3002FDW \u5141\u8a31 PostgreSQL \u8a2a\u554f\u5b58\u5132\u5728\u5916\u90e8\u6578\u64da\u5eab\u6216\u7cfb\u7d71\u4e2d\u7684\u6578\u64da\u3002\u7576\u767c\u751f\u6b64\u932f\u8aa4\u6642\uff0c\u610f\u5473\u8457 FDW \u5617\u8a66\u4f7f\u7528\u4e00\u500b\u7a7a\u6307\u91dd\uff0c\u9032\u800c\u5c0e\u81f4\u932f\u8aa4\u7684\u7522\u751f\u3002<\/p>\n<h2 id=\"possible-causes-of-the-hv009-error-nWhrQBevwv\">HV009 \u932f\u8aa4\u7684\u53ef\u80fd\u539f\u56e0<\/h2>\n<p>\u5728 PostgreSQL \u4e2d\uff0cHV009 \u932f\u8aa4\u53ef\u80fd\u6709\u5e7e\u500b\u6f5b\u5728\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u914d\u7f6e\u4e0d\u6b63\u78ba\uff1a<\/strong> FDW \u53ef\u80fd\u914d\u7f6e\u932f\u8aa4\uff0c\u5c0e\u81f4\u4e86\u8a72\u932f\u8aa4\u7684\u7522\u751f\u3002\u8acb\u4ed4\u7d30\u6aa2\u67e5\u914d\u7f6e\u8a2d\u7f6e\uff0c\u78ba\u4fdd\u5176\u6e96\u78ba\u7121\u8aa4\u3002<\/li>\n<li><strong>\u7f3a\u5c11\u4f9d\u8cf4\u9805\uff1a<\/strong> FDW \u53ef\u80fd\u4f9d\u8cf4\u672a\u5b89\u88dd\u6216\u914d\u7f6e\u4e0d\u6b63\u78ba\u7684\u5916\u90e8\u5eab\u6216\u6a21\u584a\u3002\u8acb\u78ba\u4fdd\u6240\u6709\u5fc5\u8981\u7684\u4f9d\u8cf4\u9805\u5df2\u5b58\u5728\u4e26\u5f97\u5230\u6b63\u78ba\u8a2d\u7f6e\u3002<\/li>\n<li><strong>\u7a7a\u6307\u91dd\u8ce6\u503c\uff1a<\/strong> FDW \u5be6\u73fe\u4e2d\u53ef\u80fd\u5b58\u5728\u932f\u8aa4\u6216\u7de8\u78bc\u932f\u8aa4\uff0c\u5c0e\u81f4\u7a7a\u6307\u91dd\u88ab\u932f\u8aa4\u8ce6\u503c\u3002<\/li>\n<\/ul>\n<h2 id=\"fixing-the-hv009-error-nWhrQBevwv\">\u89e3\u6c7a HV009 \u932f\u8aa4<\/h2>\n<p>\u8981\u89e3\u6c7a PostgreSQL \u4e2d\u7684 HV009 \u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<h3 id=\"1-check-fdw-configuration-nWhrQBevwv\">1. \u6aa2\u67e5 FDW \u914d\u7f6e<\/h3>\n<p>\u6aa2\u67e5 FDW \u7684\u914d\u7f6e\u8a2d\u7f6e\uff0c\u78ba\u4fdd\u5b83\u5011\u662f\u6b63\u78ba\u7121\u8aa4\u7684\u3002\u8acb\u6ce8\u610f\u4efb\u4f55\u8207\u7a7a\u6307\u91dd\u6216\u5167\u5b58\u5206\u914d\u76f8\u95dc\u7684\u53c3\u6578\u3002\u9032\u884c\u5fc5\u8981\u7684\u8abf\u6574\u4e26\u91cd\u65b0\u555f\u52d5 PostgreSQL \u4ee5\u61c9\u7528\u66f4\u6539\u3002<\/p>\n<h3 id=\"2-verify-dependencies-nWhrQBevwv\">2. \u9a57\u8b49\u4f9d\u8cf4\u9805<\/h3>\n<p>\u78ba\u8a8d FDW \u6240\u9700\u7684\u6240\u6709\u4f9d\u8cf4\u9805\u662f\u5426\u5df2\u5b89\u88dd\u4e26\u5f97\u5230\u6b63\u78ba\u8a2d\u7f6e\u3002\u9019\u5305\u62ec FDW \u6240\u4f9d\u8cf4\u7684\u4efb\u4f55\u5916\u90e8\u5eab\u6216\u6a21\u584a\u3002\u5b89\u88dd\u4efb\u4f55\u7f3a\u5931\u7684\u4f9d\u8cf4\u9805\u4e26\u76f8\u61c9\u5730\u66f4\u65b0\u914d\u7f6e\u3002<\/p>\n<h3 id=\"3-update-postgresql-and-fdw-nWhrQBevwv\">3. \u66f4\u65b0 PostgreSQL \u548c FDW<\/h3>\n<p>\u78ba\u4fdd\u60a8\u4f7f\u7528\u7684\u662f PostgreSQL \u548c FDW \u7684\u6700\u65b0\u7248\u672c\u3002\u958b\u767c\u4eba\u54e1\u7d93\u5e38\u6703\u91cb\u653e\u66f4\u65b0\u4ee5\u89e3\u6c7a\u932f\u8aa4\u548c\u5df2\u77e5\u554f\u984c\u3002\u5982\u679c\u8a72\u932f\u8aa4\u662f\u7531\u5df2\u77e5\u7684\u932f\u8aa4\u5f15\u8d77\u7684\uff0c\u5347\u7d1a\u5230\u6700\u65b0\u7248\u672c\u53ef\u80fd\u6703\u89e3\u6c7a HV009 \u932f\u8aa4\u3002<\/p>\n<h3 id=\"4-debug-the-fdw-code-nWhrQBevwv\">4. \u8abf\u8a66 FDW \u4ee3\u78bc<\/h3>\n<p>\u5982\u679c\u932f\u8aa4\u4ecd\u7136\u5b58\u5728\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u6df1\u5165\u7814\u7a76 FDW \u7684\u6e90\u4ee3\u78bc\uff0c\u4ee5\u627e\u51fa\u4e26\u4fee\u5fa9\u554f\u984c\u3002\u5c0b\u627e\u4efb\u4f55\u7a7a\u6307\u91dd\u8ce6\u503c\u6216\u4e0d\u7576\u7684\u5167\u5b58\u8655\u7406\u3002\u8abf\u8a66\u5de5\u5177\u548c\u6280\u8853\u53ef\u4ee5\u5e6b\u52a9\u6e96\u78ba\u67e5\u660e\u932f\u8aa4\u7684\u78ba\u5207\u539f\u56e0\u3002<\/p>\n<h3 id=\"5-seek-community-support-nWhrQBevwv\">5. \u5c0b\u6c42\u793e\u5340\u652f\u63f4<\/h3>\n<p>\u5982\u679c\u60a8\u7121\u6cd5\u81ea\u884c\u89e3\u6c7a HV009 \u932f\u8aa4\uff0c\u8acb\u8003\u616e\u5c0b\u6c42 PostgreSQL \u793e\u5340\u7684\u5e6b\u52a9\u3002\u7dda\u4e0a\u8ad6\u58c7\u3001\u90f5\u4ef6\u5217\u8868\u548c\u793e\u5340\u9a45\u52d5\u7684\u652f\u63f4\u6e20\u9053\u53ef\u4ee5\u7372\u5f97\u4f86\u81ea\u7d93\u9a57\u8c50\u5bcc\u7684\u7528\u6236\u548c\u958b\u767c\u4eba\u54e1\u5bf6\u8cb4\u7684\u898b\u89e3\u548c\u6307\u5c0e\u3002<\/p>\n<h2 id=\"summary-nWhrQBevwv\">\u6458\u8981<\/h2>\n<p>\u7e3d\u4e4b\uff0c\u5728 PostgreSQL \u4e2d\uff0cHV009 \u932f\u8aa4\u78bc\u8868\u660e\u5916\u90e8\u6578\u64da\u5305\u88dd\u5668\u4e2d\u5c0d\u7a7a\u6307\u91dd\u7684\u7121\u6548\u4f7f\u7528\u3002\u9019\u500b\u932f\u8aa4\u53ef\u80fd\u7531\u65bc\u914d\u7f6e\u4e0d\u6b63\u78ba\u3001\u7f3a\u5c11\u4f9d\u8cf4\u9805\u6216\u7de8\u78bc\u932f\u8aa4\u5f15\u8d77\u3002\u8981\u89e3\u6c7a HV009 \u932f\u8aa4\uff0c\u8acb\u67e5\u95b1\u4e26\u8abf\u6574 FDW \u7684\u914d\u7f6e\uff0c\u9a57\u8b49\u4f9d\u8cf4\u9805\uff0c\u66f4\u65b0 PostgreSQL \u548c FDW\uff0c\u5982\u6709\u5fc5\u8981\uff0c\u8abf\u8a66\u4ee3\u78bc\uff0c\u4e26\u5728\u9700\u8981\u6642\u5c0b\u6c42\u793e\u5340\u652f\u63f4\u3002<\/p>\n<p>\u5982\u9700\u53ef\u9760\u9ad8\u6027\u80fd\u7684 VPS \u4e3b\u6a5f\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002\u6211\u5011\u7684 VPS \u4e3b\u6a5f\u670d\u52d9\u65e8\u5728\u6eff\u8db3\u4f01\u696d\u548c\u500b\u4eba\u7684\u9700\u6c42\uff0c\u63d0\u4f9b\u5353\u8d8a\u7684\u6027\u80fd\u3001\u5b89\u5168\u6027\u548c\u652f\u63f4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u89e3\u6c7a 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-21484","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21484","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=21484"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21484\/revisions"}],"predecessor-version":[{"id":23985,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21484\/revisions\/23985"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21484"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21484"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}