好像没有看到realm.close about geeknews HOT 3 CLOSED

private void closeAndDeleteRealm(){
        Realm realm = RealmHelper.getInstance().getRealm();
        RealmConfiguration configuration = realm.getConfiguration();
        try {
            realm.close();
            Realm.deleteRealm(configuration);
        } catch (Exception e) {
            closeAndDeleteRealm();
        }
}

java.lang.IllegalStateException: It's not allowed to delete the file associated with an open Realm. Remember to close() all the instances of the Realm before deleting its file: /data/data/com.codeest.geeknews/files/myRealm.realm

   //Application中执行一次
    public static void createConfiguration() {
        RealmConfiguration config = new RealmConfiguration.Builder()
                .name(RealmHelper.DB_NAME)
                .deleteRealmIfMigrationNeeded()
                .schemaVersion(1)
                .build();
        Realm.setDefaultConfiguration(config);
    }
    public static RealmHelper getInstance() {
        if (instance == null) {
            synchronized (RealmHelper.class) {
                if (instance == null)
                    instance = new RealmHelper();
            }
        }
        return instance;
    }
    public Realm getRealm() {
        if (mRealm == null||mRealm.isClosed()) {
            instanceNum++;
            Logger.e("instanceNum= " + instanceNum);
            mRealm = Realm.getDefaultInstance();
        }
        return mRealm;
    }

12-19 15:36:50.667 11879-11879/com.codeest.geeknews E/close_num____: 1
12-19 15:36:50.668 11879-11879/com.codeest.geeknews E/close_num____: 2
12-19 15:36:50.669 11879-11879/com.codeest.geeknews E/close_num____: 3
12-19 15:36:50.669 11879-11879/com.codeest.geeknews E/close_num____: 4