{"action":"opened","issue":{"url":"https://api.github.com/repos/redisson/redisson/issues/728","repository_url":"https://api.github.com/repos/redisson/redisson","labels_url":"https://api.github.com/repos/redisson/redisson/issues/728/labels{/name}","comments_url":"https://api.github.com/repos/redisson/redisson/issues/728/comments","events_url":"https://api.github.com/repos/redisson/redisson/issues/728/events","html_url":"https://github.com/redisson/redisson/issues/728","id":194450132,"number":728,"title":"Inconsistent Behavior in RListMultimap","user":{"login":"ptwohig","id":5231833,"avatar_url":"https://avatars.githubusercontent.com/u/5231833?v=3","gravatar_id":"","url":"https://api.github.com/users/ptwohig","html_url":"https://github.com/ptwohig","followers_url":"https://api.github.com/users/ptwohig/followers","following_url":"https://api.github.com/users/ptwohig/following{/other_user}","gists_url":"https://api.github.com/users/ptwohig/gists{/gist_id}","starred_url":"https://api.github.com/users/ptwohig/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ptwohig/subscriptions","organizations_url":"https://api.github.com/users/ptwohig/orgs","repos_url":"https://api.github.com/users/ptwohig/repos","events_url":"https://api.github.com/users/ptwohig/events{/privacy}","received_events_url":"https://api.github.com/users/ptwohig/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-12-08T21:32:38Z","updated_at":"2016-12-08T21:32:38Z","closed_at":null,"body":"I'm seeing a scenario in which RListMultimap.keySet() will return an empty set in spite of the fact that I have confirmed that data exists in the map.  The same goes for keySet().size() as well as simply calling size() on the map.\r\n\r\nI captured the behavior ![in the debugger](https://cloud.githubusercontent.com/assets/5231833/21028469/3041b19c-bd4a-11e6-9f6d-ebd0c1f4dd62.png).  Note that the in the expression editor the sizes are even though I had just immediately inserted the value into the map.  I also have confirmed that my local Redis instance actually contains the keys mentioned.\r\n\r\nI tried to write a test case to demonstrate the issue, but it seems to work fine when running my test case.  However, I'm a bit perplexed to see it happening in my production code.\r\n\r\nCould this be related to serialization or string encoding?  I dug pretty deep into Redisson's source code, but I had a hard time pinning down where in the client it actually issues the KEYS command to determine the keyset of the map.\r\n\r\nI'd be happy to continue writing a test case, and a fix if necessary but I'm having difficulty reproducing the issue.  Any thoughts?"}}
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