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Installation of a custom plugin fails on linux with different partitions / file systems

See original GitHub issue

Expected Behavior

dita --install should install a new plugin

Actual Behavior

On linux with several partitions / file systems (/tmp and /home are separated) the command above fails with the following exemplary error message:

Error: /tmp/2913888489706122428/plugin/com.scoop-software.plugin

The class PluginInstallTask tries to move a nonempty directory

Files.move(tempPluginDir.toPath(), pluginDir.toPath());

what does not work if the source and the target are located on different partitions

Possible Solution

I’ve replaced the Files.move line with the following code:

Files.walkFileTree(tempPluginDir.toPath(), new SimpleFileVisitor<Path>() {

	public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
		Path targetPath = pluginDir.toPath().resolve(tempPluginDir.toPath().relativize(dir));
		if(!Files.exists(targetPath)) {
		return FileVisitResult.CONTINUE;

	public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
		Files.copy(file, pluginDir.toPath().resolve(tempPluginDir.toPath().relativize(file)));
		return FileVisitResult.CONTINUE;

which fixes the problem on my linux server (and also works on my Windows 10 PC)

Steps to Reproduce

A linux server with two different partitions is needed

  1. Create a new folder on the first partition. Create a file in it
  2. Adopt the paths in the following class. The second path has to point to a different (second) partition
import java.nio.file.Files;

public class MoveFailure {
	private static final String tempDir = "/tmp/plugin";
	private static final String homeDir = "/home/user/plugin";
	public static void main(String[] args) throws IOException {
            final File tempPluginDir = new File(tempDir);
            final File pluginDir = new File(homeDir);

            Files.move(tempPluginDir.toPath(), pluginDir.toPath());
  1. Run the class using java. It results in:
Exception in thread "main" java.nio.file.DirectoryNotEmptyException: /tmp/plugin
        at sun.nio.fs.UnixCopyFile.move(
        at sun.nio.fs.UnixFileSystemProvider.move(
        at java.nio.file.Files.move(
        at TestMove.main(

Copy of the error message, log file or stack trace

 java.nio.file.DirectoryNotEmptyException: /tmp/2913888489706122428/plugin/com.scoop-software.plugin
     at sun.nio.fs.UnixCopyFile.move(
     at sun.nio.fs.UnixFileSystemProvider.move(
     at java.nio.file.Files.move(
     at org.dita.dost.ant.PluginInstallTask.execute(


  • DITA-OT version: 3.2
  • Operating system and version: Linux (SLES 11.4)
  • How did you run DITA-OT: dita command
  • Transformation type: custom (based on PDF)

Issue Analytics

  • State:closed
  • Created 5 years ago
  • Comments:6

github_iconTop GitHub Comments

hcw70commented, Feb 22, 2019

Affects me too. Because of this we are no longer able to install our plugin.

A fix is needed in order to update to 3.2.1 …

klubacommented, Feb 22, 2019

@hcw70 I submitted a pull request (#3238)

Read more comments on GitHub >

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