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bug descripton from @metanet\r\nall generic operation threads are occupied by AuthenticationBaseMessageTask﻿⁠⁠⁠⁠\r\ninstances. Within an operation thread, it tries to send ﻿⁠⁠⁠⁠ClientReAuthOperation﻿⁠⁠⁠⁠ to all members\r\nand blocks until it receives the responses. These ﻿⁠⁠⁠⁠ClientReAuthOperation﻿⁠⁠⁠⁠s are also going to\r\nbe executed on generic operation threads. When there are a lot of concurrent ﻿⁠⁠⁠⁠\r\nAuthenticationBaseMessageTask﻿⁠⁠⁠⁠ instances, they will occupy all of the operation\r\nthreads and ﻿⁠⁠⁠⁠ClientReAuthOperation﻿⁠⁠⁠⁠ won’t be executed ==> ﻿⁠⁠⁠⁠AuthenticationBaseMessageTask﻿⁠⁠⁠⁠\r\ninstances will block until timeout\r\n\r\nSolution:\r\nResponses of ReauthOperatoin are redirected to client via callbacks rather than future.get"},"comment":{"url":"https://api.github.com/repos/hazelcast/hazelcast/issues/comments/268288576","html_url":"https://github.com/hazelcast/hazelcast/pull/9475#issuecomment-268288576","issue_url":"https://api.github.com/repos/hazelcast/hazelcast/issues/9475","id":268288576,"user":{"login":"pveentjer","id":105243,"avatar_url":"https://avatars.githubusercontent.com/u/105243?v=3","gravatar_id":"","url":"https://api.github.com/users/pveentjer","html_url":"https://github.com/pveentjer","followers_url":"https://api.github.com/users/pveentjer/followers","following_url":"https://api.github.com/users/pveentjer/following{/other_user}","gists_url":"https://api.github.com/users/pveentjer/gists{/gist_id}","starred_url":"https://api.github.com/users/pveentjer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pveentjer/subscriptions","organizations_url":"https://api.github.com/users/pveentjer/orgs","repos_url":"https://api.github.com/users/pveentjer/repos","events_url":"https://api.github.com/users/pveentjer/events{/privacy}","received_events_url":"https://api.github.com/users/pveentjer/received_events","type":"User","site_admin":false},"created_at":"2016-12-20T16:28:16Z","updated_at":"2016-12-20T16:28:16Z","body":"Looks good. Minor comments. Nothing obstructing a 👍 "}}
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