CloudStorageFileSystem: can not list content of root directory

[bitkid]

CloudStorageFileSystem.forBucket("someBucket", CloudStorageConfiguration.builder().permitEmptyPathComponents(true).build()).use {
            println(Files.list(it.getPath(".")).toList().size) // prints 0 although there is a file in the bucket
        }

println(Files.list(it.getPath("/")).toList().size) throws an exception
java.lang.IllegalArgumentException: I/O not allowed on empty Google Cloud Storage object names.

[vam-google]

Hi @bitkid,

Can you please post a more comprehensive example (preferably in Java).
According to the provided description: it.getPath(".") is used, but the exception is thrown for it.getPath("/") - different path used in the code and in the output, which is odd.

In any ways seems like a bug, since yes, an IllegalArgumentException will be thrown at CloudStoragePath.java#L143, because objectName.isEmpty() == true since the only character ("/") of the path will be truncated few lines before that at CloudStoragePath.java#L139.

[yihanzhen]

#2809 fixes this.