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Unable to save settings: Failed to save settings. Please restart IntelliJ IDEA

Intellij logs are attached bellow. It looks like plugin is trying to create haxe.xml file in root file system which is read only even with sudo permissions. 2021-02-18 07:54:59,660 [150446870] WARN - ...
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Javaの基礎（CSV出力の手順）

JavaでリストからCSVへ出力する方法を共有させていただきます。 PrintWriter p = new PrintWriter(new BufferdWriter(new OutputStreamWriter(new FileOutputStream("保存するファイルの指定", false), "エンコード"))); ...