Exception in thread "Thread-7" java.io.FileNotFoundException: ./index/911680909871221552.html (No such file or directory)
	at java.base/java.io.FileOutputStream.open0(Native Method)
	at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298)
	at java.base/java.io.FileOutputStream.<init>(FileOutputStream.java:237)
	at java.base/java.io.FileOutputStream.<init>(FileOutputStream.java:187)
	at Article.save_index(Article.kt:452)
	at DBNews.action(DBNews.kt:304)
	at DBNews$TaskSorter$1.run(DBNews.kt:87)
	at java.base/java.lang.Thread.run(Thread.java:834)