I want to use the Java WatchService in an IDE-like tool. It seems like a good match for the behaviors I need from it. The trick is that my customers use the tool in all sorts of interesting environments. Most of the time, the files are on the local disk, but often the files will be on some mounted network
Tag: watchservice
Java WatchService locks directory on Windows
It seems when you watch a directory using Java’s WatchService and then try to rename its parent directory, the renaming will fail with an AccessDeniedException. The directory seems to be sort of locked by the WatchService. Can be reproduced with: Fails with: Tested with OpenJDK 11 & 14 on Windows 10. Trying to rename dir1 in Windows Explorer also fails.
Apache Commons IO File Monitoring vs. JDK WatchService
I need to develop an application that will process csv files as soon as the files are created in a predefined directory. Huge number of incoming files is expected. I have seen applications using Apache Commons IO File Monitoring in the production. It works pretty well. I have seen it processing as many as 21 million files in a day.
Using WatchService in JAVA. Can I watch subdirectory at the same time?
In JAVA I will watch directory by using WatchService. For example if I watch /users/monitor, WatchService can watch only one directory. But I wanna watch every subdirectory ‘at the same time’ How can I code? T_T —————————code——————————- —————————code——————————- Answer You can register multiple directories to the same directory watcher. Depending upon how the sub directory is created. If the directory
Java 7 WatchService – Ignoring multiple occurrences of the same event
The javadoc for StandardWatchEventKinds.ENTRY_MODIFY says: Directory entry modified. When a directory is registered for this event then the WatchKey is queued when it is observed that an entry in the directory has been modified. The event count for this event is 1 or greater. When you edit the content of a file through an editor, it’ll modify both date (or