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Backup of Derby database fails when UVMS is running as non-priveleged user
Article ID: 85687
Updated On:
Products
CA Automic Dollar Universe
Issue/Introduction
Error Message :
In uvserver.log:
###
| 2014-06-19 09:29:06 |INFO | request-worker-5 | com.orsyp.central.derbyrecovery.DerbyBackup | Performing incremental database backup on /appli/univiewer/backup_y001f0o_MgtServer_derbydb/20140619_092906_547; [BACKUP TYPE=BY_NOT_AFFECTING_THE_ARCHIVED_LOG_FLAG].
| 2014-06-19 09:29:06 |ERROR| request-worker-5 |
<...>
com.orsyp.central.derbyrecovery.DerbyBackup | Error during Derby backup procedure
java.lang.RuntimeException: Error performing derby backup!
<...>
Caused by: java.sql.SQLException: Cannot backup the database, got an I/O Exception while writing to the backup container file /appli/univiewer/backup_y001f0o_MgtServer_derbydb/~20140619_092906_547/uvmsdb/seg0/c4b0.dat.
<...>
Caused by: java.sql.SQLException: Java exception: 'File too large: java.io.IOException'.
Patch level detected:Univiewer Management Server 6.4.01
Product Version: Dollar.Universe 6.4.01
Description :UVMS is installed and run as a non-privileged user (non-root user) and the Derby database is not backed up as expected.
In uvserver.log:
###
| 2014-06-19 09:29:06 |INFO | request-worker-5 | com.orsyp.central.derbyrecovery.DerbyBackup | Performing incremental database backup on /appli/univiewer/backup_y001f0o_MgtServer_derbydb/20140619_092906_547; [BACKUP TYPE=BY_NOT_AFFECTING_THE_ARCHIVED_LOG_FLAG].
| 2014-06-19 09:29:06 |ERROR| request-worker-5 |
<...>
com.orsyp.central.derbyrecovery.DerbyBackup | Error during Derby backup procedure
java.lang.RuntimeException: Error performing derby backup!
<...>
Caused by: java.sql.SQLException: Cannot backup the database, got an I/O Exception while writing to the backup container file /appli/univiewer/backup_y001f0o_MgtServer_derbydb/~20140619_092906_547/uvmsdb/seg0/c4b0.dat.
<...>
Caused by: java.sql.SQLException: Java exception: 'File too large: java.io.IOException'.
Patch level detected:Univiewer Management Server 6.4.01
Product Version: Dollar.Universe 6.4.01
Description :UVMS is installed and run as a non-privileged user (non-root user) and the Derby database is not backed up as expected.
Cause
Cause type:
Configuration
Root Cause: If a "File too large" error occurs during the backup procedure of the UVMS database, the UVMS backup will fail because there is not enough File Descriptors for this user.
Configuration
Root Cause: If a "File too large" error occurs during the backup procedure of the UVMS database, the UVMS backup will fail because there is not enough File Descriptors for this user.
Environment
OS: Linux
Resolution
Increase the File Descriptors for the users that starts UVMS to 12000 in UVC (UXMAXFD):
Administration tab > UVMS Node Settings > Advanced Settings > Maximum Number of File Descriptors=12000
A restart of UVMS is necessary.
Also increase the File Descriptors on system level (ulimit -n) to match the value of UXMAXFD.
(See documentation UVC Administration)
Fix Status: Released
Fix Version(s):
Component: Univiewer.Management.Server
Version: Dollar.Universe 6.5.01
Administration tab > UVMS Node Settings > Advanced Settings > Maximum Number of File Descriptors=12000
A restart of UVMS is necessary.
Also increase the File Descriptors on system level (ulimit -n) to match the value of UXMAXFD.
(See documentation UVC Administration)
Fix Status: Released
Fix Version(s):
Component: Univiewer.Management.Server
Version: Dollar.Universe 6.5.01
Additional Information
Workaround :
N/A
N/A
Feedback
Yes
No
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