While upgrading the primary server, the upgrade process fails in the middle
with the following error log.
Do you have any hint why the upgrade fails
After the update fails, i can restart the primary server and it is working
fine with version 11 sp3 not upgraded.

Thank You
DenisL

Log
[2016.08.17-09:37:25] PLUS PRCIS: DatabaseUpgradeConfigureAction:
getConnection
[2016.08.17-09:37:25] PLUS PRCIS: Upgrading database schema.
[2016.08.17-09:38:26] GRAVE: Exception while upgrading database schema.
com.novell.zenworks.systemupdate.exceptions.System UpdateException: Unable to
update database schema
at
com.novell.zenworks.systemupdate.v_11_4_0.PreGloba lAction.execute(PreGlobalA
ction.java:229)
at
com.novell.zenworks.configure.actions.ExecutePreGl obalConfigureAction.config
ure(ExecutePreGlobalConfigureAction.java:190)
at
com.novell.zenworks.configure.actions.ExecutePreGl obalConfigureAction.main(E
xecutePreGlobalConfigureAction.java:225)
Caused by:
com.novell.zenworks.datamodel.exceptions.InternalD ataModelException:
com.novell.zenworks.datamodel.exceptions.InternalD ataModelException: Failed
to obtain a JDBC connection.