Andy created IO-586:
-----------------------
Summary: FileUtils.copyFile fails with java.io.IOException: No
such device
Key: IO-586
URL: https://issues.apache.org/jira/browse/IO-586
Project: Commons IO
Issue Type: Bug
Components: Utilities
Affects Versions: 2.6
Reporter: Andy
When trying to copy file on CEPH filesystem, FileUtils.copyFile fails with
exception. I don't see any workaround except of replacing that call and
rebuilding the project.
*Test Case*:
Here's a simple class to reproduce the issue:
{code:java}
import org.apache.commons.io.FileUtils;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.file.Files;
public class Test3 {
public static void main(String[] args) throws IOException {
PrintWriter writer = new PrintWriter("file.txt", "UTF-8");
writer.println("test input " + Math.random());
writer.close();
FileUtils.copyFile(new File("file.txt"), new File("file-copy.txt"));
}
}
{code}
below is the stacktrace:
{code:java}
Exception in thread "main" java.io.IOException: No such device at
sun.nio.ch.FileChannelImpl.map0(Native Method) at
sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:926) at
sun.nio.ch.FileChannelImpl.transferFromFileChannel(FileChannelImpl.java:634) at
sun.nio.ch.FileChannelImpl.transferFrom(FileChannelImpl.java:708) at
org.apache.commons.io.FileUtils.doCopyFile(FileUtils.java:1131) at
org.apache.commons.io.FileUtils.copyFile(FileUtils.java:1076) at
org.apache.commons.io.FileUtils.copyFile(FileUtils.java:1028) at
ztst.Test3.main(Test3.java:17)
{code}
Here's our server's file system configuration:
{code:java}
1. a squashfs (read only) image stored on a ceph's rbd
2. a directory on cephfs (read/write)
1 is the lower layer and 2 is the upper layer of an unionfs mount with the
following options:
cow
max_files=32768
allow_other
use_ino
direct_io
statfs_omit_ro
nonempty
{code}
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