If LDAP is installed in a Failover architecture, the UVMS connection may be disrupted during the failover. To remedy this, please follow the tips below.
UVMS Cache
If the UVMS connection to the LDAP server fails (in case the IP address of the LDAP server changes, for example, an LDAP failover), the connectionPool variable of the LDAP configuration file must be set to NO. When the LDAP switches, UVMS using a cache connection can not reconnect the socket. In this case, the cache must be deactivated.
This file is not updated by a UVMS upgrade. The variable does not exist by default in the file, it must be created if necessary.
JVM Cache
The Java Virtual Machine uses a DNS cache. So once the UVMS process is started, the IP address is no longer changed. In the case of a failover, the JVM cache must be disabled, for example, by adding the following command to the univiewer_server\<hostname>_MgtServer\app\bin\unistartms script when the jar is launched :
-Dsun.net.inetaddr.ttl=1
This script is overwritten by a UVMS upgrade.
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