{"id":833,"date":"2016-10-29T18:33:27","date_gmt":"2016-10-29T18:33:27","guid":{"rendered":"http:\/\/tpodolak.com\/blog\/?p=833"},"modified":"2016-11-03T21:48:09","modified_gmt":"2016-11-03T21:48:09","slug":"redissessionstateprovider-unknown-command-eval","status":"publish","type":"post","link":"https:\/\/tpodolak.com\/blog\/2016\/10\/29\/redissessionstateprovider-unknown-command-eval\/","title":{"rendered":"RedisSessionStateProvider – unknown command ‘EVAL’"},"content":{"rendered":"

A couple of days ago I was trying to use Redis<\/i> as session storage for one of my ASP .NET websites. Even though it seemed to be a rather straightforward task (Scott Hanselman wrote about that a while ago<\/a>), I ended up with some weird exception while running the app: ERR unknown command ‘EVAL’<\/i>
\n\"unknown<\/a>
\nThis wasn\u2019t for sure a connectivity issue, as I was able to connect to Redis<\/i> server from Redis Client<\/i> – redis-cli<\/i>. For me it looked like my server is not able to “understand” EVAL<\/i> command. I started digging around and it turned out that this command has been introduced in version 2.6.0<\/a>
\nI’ve connected to the server using redis-cli<\/i> and checked the version with<\/p>\n

\r\ninfo\r\n<\/pre>\n
command and basically that revealed the problem.
\n\"rediscli\"<\/a>
\nAs you can see I’ve accidentally installed version 2.4.6 (I have no idea how I ended up with so old version). After upgrading to the newest one, my problem was gone and I was able to successfully store session in Redis<\/i>.
\n\"working\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
A couple of days ago I was trying to use Redis as session storage for one of my ASP .NET websites. Even though it seemed to be a rather straightforward task (Scott Hanselman wrote about that a while ago), I ended up with some weird exception while running the app: ERR unknown command ‘EVAL’ This […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,83,307],"tags":[160,223,308],"class_list":["post-833","post","type-post","status-publish","format-standard","hentry","category-net","category-asp-net-mvc","category-redis","tag-net","tag-asp-net-mvc","tag-redis"],"_links":{"self":[{"href":"https:\/\/tpodolak.com\/blog\/wp-json\/wp\/v2\/posts\/833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tpodolak.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tpodolak.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tpodolak.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tpodolak.com\/blog\/wp-json\/wp\/v2\/comments?post=833"}],"version-history":[{"count":18,"href":"https:\/\/tpodolak.com\/blog\/wp-json\/wp\/v2\/posts\/833\/revisions"}],"predecessor-version":[{"id":854,"href":"https:\/\/tpodolak.com\/blog\/wp-json\/wp\/v2\/posts\/833\/revisions\/854"}],"wp:attachment":[{"href":"https:\/\/tpodolak.com\/blog\/wp-json\/wp\/v2\/media?parent=833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tpodolak.com\/blog\/wp-json\/wp\/v2\/categories?post=833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tpodolak.com\/blog\/wp-json\/wp\/v2\/tags?post=833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}