I am running into the same issue on CentOS 5.2, Hudson 1.384 and Backup Plugin version 1.6:
[ERROR] org.codehaus.plexus.archiver.ArchiverException: Failed to read filesystem attributes for: /home/hudson/data/jobs/Search Fulfillments/config-history/2010-11-15_19-00-06/config.xml
org.jvnet.hudson.plugins.backup.BackupException: java.io.IOException: Unable to add jobs/Search Fulfillments/config-history/2010-11-15_19-00-06/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:662)
Caused by: java.io.IOException: Unable to add jobs/Search Fulfillments/config-history/2010-11-15_19-00-06/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: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 [12/30/10 13:26:49]
[ INFO] [5.635s]
I am running into the same issue on CentOS 5.2, Hudson 1.384 and Backup Plugin version 1.6:
[ERROR] org.codehaus.plexus.archiver.ArchiverException: Failed to read filesystem attributes for: /home/hudson/data/jobs/Search Fulfillments/config-history/2010-11-15_19-00-06/config.xml
org.jvnet.hudson.plugins.backup.BackupException: java.io.IOException: Unable to add jobs/Search Fulfillments/config-history/2010-11-15_19-00-06/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:662)
Caused by: java.io.IOException: Unable to add jobs/Search Fulfillments/config-history/2010-11-15_19-00-06/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: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 [12/30/10 13:26:49]
[ INFO] [5.635s]