{"action":"created","issue":{"url":"https://api.github.com/repos/orientechnologies/orientdb/issues/5111","labels_url":"https://api.github.com/repos/orientechnologies/orientdb/issues/5111/labels{/name}","comments_url":"https://api.github.com/repos/orientechnologies/orientdb/issues/5111/comments","events_url":"https://api.github.com/repos/orientechnologies/orientdb/issues/5111/events","html_url":"https://github.com/orientechnologies/orientdb/issues/5111","id":111262812,"number":5111,"title":"After class deletion:com.orientechnologies.orient.core.index.OIndexException: Error on rebuilding the index for clusters","user":{"login":"StarpTech","id":1764424,"avatar_url":"https://avatars.githubusercontent.com/u/1764424?v=3","gravatar_id":"","url":"https://api.github.com/users/StarpTech","html_url":"https://github.com/StarpTech","followers_url":"https://api.github.com/users/StarpTech/followers","following_url":"https://api.github.com/users/StarpTech/following{/other_user}","gists_url":"https://api.github.com/users/StarpTech/gists{/gist_id}","starred_url":"https://api.github.com/users/StarpTech/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/StarpTech/subscriptions","organizations_url":"https://api.github.com/users/StarpTech/orgs","repos_url":"https://api.github.com/users/StarpTech/repos","events_url":"https://api.github.com/users/StarpTech/events{/privacy}","received_events_url":"https://api.github.com/users/StarpTech/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/orientechnologies/orientdb/labels/bug","name":"bug","color":"ededed"},{"url":"https://api.github.com/repos/orientechnologies/orientdb/labels/waiting%20reply","name":"waiting reply","color":"eb6420"}],"state":"open","locked":false,"assignee":{"login":"luigidellaquila","id":459289,"avatar_url":"https://avatars.githubusercontent.com/u/459289?v=3","gravatar_id":"","url":"https://api.github.com/users/luigidellaquila","html_url":"https://github.com/luigidellaquila","followers_url":"https://api.github.com/users/luigidellaquila/followers","following_url":"https://api.github.com/users/luigidellaquila/following{/other_user}","gists_url":"https://api.github.com/users/luigidellaquila/gists{/gist_id}","starred_url":"https://api.github.com/users/luigidellaquila/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/luigidellaquila/subscriptions","organizations_url":"https://api.github.com/users/luigidellaquila/orgs","repos_url":"https://api.github.com/users/luigidellaquila/repos","events_url":"https://api.github.com/users/luigidellaquila/events{/privacy}","received_events_url":"https://api.github.com/users/luigidellaquila/received_events","type":"User","site_admin":false},"milestone":{"url":"https://api.github.com/repos/orientechnologies/orientdb/milestones/64","html_url":"https://github.com/orientechnologies/orientdb/milestones/2.1.x%20(next%20hotfix)","labels_url":"https://api.github.com/repos/orientechnologies/orientdb/milestones/64/labels","id":1282180,"number":64,"title":"2.1.x (next hotfix)","description":"","creator":{"login":"lvca","id":312606,"avatar_url":"https://avatars.githubusercontent.com/u/312606?v=3","gravatar_id":"","url":"https://api.github.com/users/lvca","html_url":"https://github.com/lvca","followers_url":"https://api.github.com/users/lvca/followers","following_url":"https://api.github.com/users/lvca/following{/other_user}","gists_url":"https://api.github.com/users/lvca/gists{/gist_id}","starred_url":"https://api.github.com/users/lvca/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lvca/subscriptions","organizations_url":"https://api.github.com/users/lvca/orgs","repos_url":"https://api.github.com/users/lvca/repos","events_url":"https://api.github.com/users/lvca/events{/privacy}","received_events_url":"https://api.github.com/users/lvca/received_events","type":"User","site_admin":false},"open_issues":137,"closed_issues":11,"state":"open","created_at":"2015-08-31T15:18:49Z","updated_at":"2015-10-21T08:56:18Z","due_on":null,"closed_at":null},"comments":4,"created_at":"2015-10-13T20:21:57Z","updated_at":"2015-10-21T09:12:22Z","closed_at":null,"body":"1) I want to delete the `ShopUser` class and this error is thrown\r\n\r\n```\r\ncom.orientechnologies.orient.core.index.OIndexException: Error on rebuilding the index for clusters: [node, de_fitness, root, fitness, shopuser, de_root, de_business]\r\n --> java.lang.IllegalArgumentException: Cluster 'shopuser' was not found\r\n```\r\n\r\n2) I try it again and this error is thrown\r\n\r\n```\r\njava.lang.IllegalArgumentException: Cluster 15 is null\r\n```\r\n\r\nbut the Class is still listed.\r\n\r\n3) Now I want to use my db like before\r\n```\r\nselect from shopuser\r\n```\r\n\r\nError:\r\n\r\n```\r\njava.lang.IllegalArgumentException: Cluster 15 is null\r\n```\r\nMy db is broken. I don't use a complex db schema :( @lvca sry but this release serie is unusable. This is no issue this is the core the basic of the basics. :/ I deeply hope you get it stable. Thanks.\r\n\r\n![schema](https://cloud.githubusercontent.com/assets/1764424/10467232/ec8db5ec-71f8-11e5-9280-d673e5bde84d.PNG)"},"comment":{"url":"https://api.github.com/repos/orientechnologies/orientdb/issues/comments/149829384","html_url":"https://github.com/orientechnologies/orientdb/issues/5111#issuecomment-149829384","issue_url":"https://api.github.com/repos/orientechnologies/orientdb/issues/5111","id":149829384,"user":{"login":"luigidellaquila","id":459289,"avatar_url":"https://avatars.githubusercontent.com/u/459289?v=3","gravatar_id":"","url":"https://api.github.com/users/luigidellaquila","html_url":"https://github.com/luigidellaquila","followers_url":"https://api.github.com/users/luigidellaquila/followers","following_url":"https://api.github.com/users/luigidellaquila/following{/other_user}","gists_url":"https://api.github.com/users/luigidellaquila/gists{/gist_id}","starred_url":"https://api.github.com/users/luigidellaquila/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/luigidellaquila/subscriptions","organizations_url":"https://api.github.com/users/luigidellaquila/orgs","repos_url":"https://api.github.com/users/luigidellaquila/repos","events_url":"https://api.github.com/users/luigidellaquila/events{/privacy}","received_events_url":"https://api.github.com/users/luigidellaquila/received_events","type":"User","site_admin":false},"created_at":"2015-10-21T09:12:22Z","updated_at":"2015-10-21T09:12:22Z","body":"Sorry, the fix is on branch 2.1.x, I'm porting it to develop right now\r\n\r\n"}}