[IO-719] PathUtils.copyDirectory() does not work when source and dest belong to different file systems

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.8.0
• Fix Version/s: 2.9.0
• Component/s: Utilities

Environment

Java 8, Linux

• Assignee: Unassigned
• Reporter: Andrew Shcheglov
• Created: 06/Feb/21 18:28
• Updated: 10/Feb/21 16:23
• Resolved: 10/Feb/21 14:35

Description

This code:

@Test
public void pathUtilsCopyDirFailure() throws IOException {
	FileSystem fs1 = Jimfs.newFileSystem();
	Path srcDir = fs1.getPath("srcDir");
	// Create files/dirs in srcDir
	Path targetDir = Paths.get("targetDir");
	PathUtils.copyDirectory(srcDir, targetDir);
}

throws exception:

java.nio.file.ProviderMismatchException
	at java.base/sun.nio.fs.UnixPath.toUnixPath(UnixPath.java:198)
	at java.base/sun.nio.fs.UnixPath.resolve(UnixPath.java:410)
	at java.base/sun.nio.fs.UnixPath.resolve(UnixPath.java:43)
	at org.apache.commons.io.file.CopyDirectoryVisitor.preVisitDirectory(CopyDirectoryVisitor.java:130)
	at org.apache.commons.io.file.CopyDirectoryVisitor.preVisitDirectory(CopyDirectoryVisitor.java:36)
	at java.base/java.nio.file.Files.walkFileTree(Files.java:2731)
	at java.base/java.nio.file.Files.walkFileTree(Files.java:2796)
	at org.apache.commons.io.file.PathUtils.visitFileTree(PathUtils.java:687)
	at org.apache.commons.io.file.PathUtils.copyDirectory(PathUtils.java:196)