{"id":3638,"date":"2014-04-22T12:00:17","date_gmt":"2014-04-22T10:00:17","guid":{"rendered":"http:\/\/www.b.shuttle.de\/hayek\/Hayek\/Jochen\/wp\/blog-en\/?p=3638"},"modified":"2014-04-22T12:00:17","modified_gmt":"2014-04-22T10:00:17","slug":"upgrading-my-selfhosted-wordpresss-core-to-3-9-initially-that-was-a-mere-disaster","status":"publish","type":"post","link":"https:\/\/wp.jochen.hayek.name\/blog-en\/2014\/04\/22\/upgrading-my-selfhosted-wordpresss-core-to-3-9-initially-that-was-a-mere-disaster\/","title":{"rendered":"upgrading my selfhosted WordPress&#8217;s core to 3.9 \u2013 initially that was a mere disaster"},"content":{"rendered":"<p>\t\t\t\tAfter the upgrade my blogs were <span style=\"text-decoration: underline\">not available any longer<\/span>. It looked like a serious database problem. I felt in disaster mode for days (because I went on a holiday and I did not immediately have the time to solve the issue). It wasn&#8217;t really a big deal, but I wasn&#8217;t able to find this problem description (together with a solution on the web). The error message showed the blog URL, that my WordPress was looking up on a database table, and the letter case appeared strange to me. That was finally the key to the solution. See below!<\/p>\n<p>I first tried the offered upgrade button. That lead to the &#8220;disaster&#8221;. Later I also tried the manual upgrade, i.e. the manual unpacking of the .tar.gz file \u2013 I&#8217;m not sure, that was necessary. Next time I shall\u00a0try without that.<\/p>\n<p>My\u00a0PATH_CURRENT_SITE makes use of upper case letters \u2013 that seemed to disturb the seemless upgrade. Just for completing the upgrade I lower-cased it temporarily. After that completion I &#8220;uppercased&#8221; the previous letters again, and it was all fine then. Temporarily &#8220;lowercasing&#8221; that specific value withing wp0.wp_blogs didn&#8217;t seem necessary either.\t\t\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"<p>After the upgrade my blogs were not available any longer. It looked like a serious database problem. I felt in disaster mode for days (because I went on a holiday and I did not immediately have the time to solve the issue). It wasn&#8217;t really a big deal, but I wasn&#8217;t able to find this [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false,"_share_on_mastodon":"0"},"categories":[715],"tags":[],"class_list":["post-3638","post","type-post","status-publish","format-standard","hentry","category-wordpress"],"share_on_mastodon":{"url":"","error":""},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paO0kP-WG","jetpack_likes_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/posts\/3638","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/comments?post=3638"}],"version-history":[{"count":0,"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/posts\/3638\/revisions"}],"wp:attachment":[{"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/media?parent=3638"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/categories?post=3638"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/tags?post=3638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}