关于报错：IllegalStateException: attempt to re-open an already-closed 的解决方法
2018-03-26 16:33
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在尝试用子线程获取数据库数据时跳出错误attempt to re-open an already-closed，一开始在网上查询的时候都说是数据库提前关闭引发的错误，我认为我在这个子页面一直没有关闭数据库，为什么会说我关闭了数据库呢？后来发现是我在主页面时获取其他数据，关闭了数据库，所以在子页面里的子线程里打开时发生了错误。
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