{"action":"created","comment":{"url":"https://api.github.com/repos/realm/realm-java/pulls/comments/75436524","id":75436524,"diff_hunk":"@@ -1188,15 +1188,10 @@ public void run() {\n                     transaction.execute(bgRealm);\n \n                     if (!Thread.currentThread().isInterrupted()) {\n-                        bgRealm.commitAsyncTransaction(new Runnable() {\n-                            @Override\n-                            public void run() {\n-                                // The bgRealm needs to be closed before post event to caller's handler to avoid\n-                                // concurrency problem. eg.: User wants to delete Realm in the callbacks.\n-                                // This will close Realm before sending REALM_CHANGED.\n-                                bgRealm.close();\n-                            }\n-                        });\n+                        bgRealm.commitAsyncTransaction();\n+                        // The bgRealm needs to be closed before post event to caller's handler to avoid concurrency","path":"realm/realm-library/src/main/java/io/realm/Realm.java","position":23,"original_position":23,"commit_id":"a5e2a8dd6c43e43c5c1b07d77acee1d18edb483c","original_commit_id":"a5e2a8dd6c43e43c5c1b07d77acee1d18edb483c","user":{"login":"cmelchior","id":406066,"avatar_url":"https://avatars.githubusercontent.com/u/406066?v=3","gravatar_id":"","url":"https://api.github.com/users/cmelchior","html_url":"https://github.com/cmelchior","followers_url":"https://api.github.com/users/cmelchior/followers","following_url":"https://api.github.com/users/cmelchior/following{/other_user}","gists_url":"https://api.github.com/users/cmelchior/gists{/gist_id}","starred_url":"https://api.github.com/users/cmelchior/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cmelchior/subscriptions","organizations_url":"https://api.github.com/users/cmelchior/orgs","repos_url":"https://api.github.com/users/cmelchior/repos","events_url":"https://api.github.com/users/cmelchior/events{/privacy}","received_events_url":"https://api.github.com/users/cmelchior/received_events","type":"User","site_admin":false},"body":"The bgRealm needs to be closed before posting the REALM_CHANGED event to the caller's handler to avoid currency problems.his is currently guaranteed by posting handleAsyncTransactionCompleted below.","created_at":"2016-08-19T07:09:50Z","updated_at":"2016-08-19T07:09:50Z","html_url":"https://github.com/realm/realm-java/pull/3319#discussion_r75436524","pull_request_url":"https://api.github.com/repos/realm/realm-java/pulls/3319","_links":{"self":{"href":"https://api.github.com/repos/realm/realm-java/pulls/comments/75436524"},"html":{"href":"https://github.com/realm/realm-java/pull/3319#discussion_r75436524"},"pull_request":{"href":"https://api.github.com/repos/realm/realm-java/pulls/3319"}}},"pull_request":{"url":"https://api.github.com/repos/realm/realm-java/pulls/3319","id":81811878,"html_url":"https://github.com/realm/realm-java/pull/3319","diff_url":"https://github.com/realm/realm-java/pull/3319.diff","patch_url":"https://github.com/realm/realm-java/pull/3319.patch","issue_url":"https://api.github.com/repos/realm/realm-java/issues/3319","number":3319,"state":"open","locked":false,"title":"Wait all async tasks done before next test","user":{"login":"beeender","id":449296,"avatar_url":"https://avatars.githubusercontent.com/u/449296?v=3","gravatar_id":"","url":"https://api.github.com/users/beeender","html_url":"https://github.com/beeender","followers_url":"https://api.github.com/users/beeender/followers","following_url":"https://api.github.com/users/beeender/following{/other_user}","gists_url":"https://api.github.com/users/beeender/gists{/gist_id}","starred_url":"https://api.github.com/users/beeender/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/beeender/subscriptions","organizations_url":"https://api.github.com/users/beeender/orgs","repos_url":"https://api.github.com/users/beeender/repos","events_url":"https://api.github.com/users/beeender/events{/privacy}","received_events_url":"https://api.github.com/users/beeender/received_events","type":"User","site_admin":false},"body":"This is highly related with #1900.\nBelow things are still guaranteed by this change after commit async\ntransaction:\n* When callback function called (onSuccess/onError), the background\n  Realm is closed.\n* When any change listeners called, the background Realm is closed.\n\nWhat is true now but it is not guaranteed in the future:\n* Background Realm might not be closed before REALM_CHANGED sent (not\n  received).\n\nDue to this, to avoid the flaky tests, we have to ensure all async tasks\nquit peacefully before start the next test. 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