javafx报错not on fx application thread
来源：互联网 发布：sql去除重复数据 编辑：程序博客网 时间：2024/06/05 09:09
javafx聊天室，如果有新用户上线刷新listView，就是重新设置listView的items的时候遇到的一个Exception。
Exception抛出的原因是：javafx所有的UI都是线程不安全的，所以在子线程中要修改Application中的UI组件会抛出exception。
javafx给出的解决方案是所有UI控件的改变写在Platform.RunLater()里面。
一下是我原先的错误代码：
虽然线程是写在了Runlater但是依然是不够的，里面listView的userBar改变的时候也必须是在Runlater里面所以只需要做如下更改
：
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