{"action":"opened","issue":{"url":"https://api.github.com/repos/ptaoussanis/carmine/issues/123","labels_url":"https://api.github.com/repos/ptaoussanis/carmine/issues/123/labels{/name}","comments_url":"https://api.github.com/repos/ptaoussanis/carmine/issues/123/comments","events_url":"https://api.github.com/repos/ptaoussanis/carmine/issues/123/events","html_url":"https://github.com/ptaoussanis/carmine/issues/123","id":54646163,"number":123,"title":"Error upgrading from 2.7.0 to 2.9.0","user":{"login":"yayitswei","id":217094,"avatar_url":"https://avatars.githubusercontent.com/u/217094?v=3","gravatar_id":"","url":"https://api.github.com/users/yayitswei","html_url":"https://github.com/yayitswei","followers_url":"https://api.github.com/users/yayitswei/followers","following_url":"https://api.github.com/users/yayitswei/following{/other_user}","gists_url":"https://api.github.com/users/yayitswei/gists{/gist_id}","starred_url":"https://api.github.com/users/yayitswei/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yayitswei/subscriptions","organizations_url":"https://api.github.com/users/yayitswei/orgs","repos_url":"https://api.github.com/users/yayitswei/repos","events_url":"https://api.github.com/users/yayitswei/events{/privacy}","received_events_url":"https://api.github.com/users/yayitswei/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-01-17T01:46:19Z","updated_at":"2015-01-17T01:46:19Z","closed_at":null,"body":"I'm now seeing this error when running my app:\r\n\r\n```\r\njava.lang.IllegalArgumentException: No matching method: sha1Hex, compiling:(taoensso/carmine.clj:142:20)\r\n\tat clojure.lang.Compiler.analyzeSeq(Compiler.java:6651)\r\n\tat clojure.lang.Compiler.analyze(Compiler.java:6445)\r\n\tat clojure.lang.Compiler.analyzeSeq(Compiler.java:6632)\r\n\tat clojure.lang.Compiler.analyze(Compiler.java:6445)\r\n\tat clojure.lang.Compiler.analyze(Compiler.java:6406)\r\n\tat clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5782)\r\n```\r\n\r\nIt seems to be a dependency issue because carmine 2.9.0 works my other projects. How would I look for a conflict?\r\n\r\nThis is on Clojure 1.6.0.\r\n\r\nAlso are messages between 2.7.0 and 2.9.0 compatible? I'm getting a thaw error from nippy when I try to send messages between differing versions, but I'm not sure if it's because of the version conflict."}}