[ INFO] Backup started at [09/12/17 13:24:12]
[ INFO] Setting hudson in shutdown mode to avoid files corruptions.
[ INFO] Waiting all jobs end...
[ INFO] Number of running jobs detected : 0
[ INFO] All jobs finished.
[ INFO] Full backup file name : /home/lg409929sv/Desktop/JenkinsBackup/backup_20170912_1324.zip
[ERROR] org.codehaus.plexus.archiver.ArchiverException: Failed to read filesystem attributes for: /var/lib/jenkins/users/logon\502659615/config.xml
org.jvnet.hudson.plugins.backup.BackupException: java.io.IOException: Unable to add users/logon\502659615/config.xml
	at org.jvnet.hudson.plugins.backup.utils.BackupEngine.doBackup(BackupEngine.java:115)
	at org.jvnet.hudson.plugins.backup.utils.BackupTask.run(BackupTask.java:130)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Unable to add users/logon\502659615/config.xml
	at org.jvnet.hudson.plugins.backup.utils.BackupEngine.handleFile(BackupEngine.java:90)
	at org.apache.commons.io.DirectoryWalker.walk(DirectoryWalker.java:367)
	at org.apache.commons.io.DirectoryWalker.walk(DirectoryWalker.java:364)
	at org.apache.commons.io.DirectoryWalker.walk(DirectoryWalker.java:364)
	at org.apache.commons.io.DirectoryWalker.walk(DirectoryWalker.java:335)
	at org.jvnet.hudson.plugins.backup.utils.BackupEngine.doBackup(BackupEngine.java:113)
	... 2 more
[ INFO] Cancel hudson shutdown mode
[ INFO] Backup end at [09/12/17 13:24:23]
[ INFO] [10.853s]