Oracle VM: Oracle VM Manager WebUI Time Out (Doc ID 2715219.1)

Last updated on OCTOBER 16, 2020

Applies to:

Oracle VM - Version 3.2.10 to 3.4.6 [Release OVM32 to OVM34]
Linux x86-64

Symptoms

On Oracle VM Manager, WebUI was experiencing time out.

Further details found in the following:

/u01/app/oracle/ovm-manager-3/domains/ovm_domain/servers/AdminServer/logs/AdminServer.log:

####<2020-09-23T15:59:59.035-0700> <Warning> <com.oracle.coherence> <ovmm> <AdminServer> <Logger@714404191 12.1.3.0.0> <> <> <> <1600901999035> <BEA-000000> <20
20-09-23 15:59:59.035/9.606 Oracle Coherence GE 12.1.3.0.0 <Warning> (thread=[STANDBY] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)', member=n/a): UnicastUdpSocket failed to set receive buffer size to 16 packets (1MB); actual size is 20%, 3 packets (208KB). Consult your OS documentation regarding increasing the maximum socket buffer size. Proceeding with the actual value may cause sub-optimal performance.>
####<2020-09-23T15:59:59.036-0700> <Warning> <com.oracle.coherence> <ovmm> <AdminServer> <Logger@714404191 12.1.3.0.0> <> <> <> <1600901999036> <BEA-000000> <20
20-09-23 15:59:59.036/9.607 Oracle Coherence GE 12.1.3.0.0 <Warning> (thread=[STANDBY] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)', member=n/a): PreferredUnicastUdpSocket failed to set receive buffer size to 1444 packets (2MB); actual size is 10%, 146 packets (208KB). Consult your OS documentation regarding increasing the maximum socket buffer size. Proceeding with the actual value may cause sub-optimal performance.>

/etc/sysctl.conf:

$ cat /etc/sysctl.conf
..

NOTE: NO entry found for the Socket Buffer Sizes in the sysctl.conf