SOA 11g: Managed server startup fails with "Persistency service internal error"

While starting SOA managed server ran into below error.

[soa_server1] [ERROR] [] [oracle.soa.services.common] [tid: [ACTIVE].ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: ] [APP: soa-infra] <.> Persistency service internal error.[[
Persistency service internal error.
Check the underlying exception and correct the error. If the error persists, contact Oracle Support Services.
 ORABPEL-9732
Persistency service internal error.
Persistency service internal error.
Check the underlying exception and correct the error. If the error persists, contact Oracle Support Services.
        at oracle.bpel.services.workflow.repos.PersistencyDriver.initNonTransactionDataSource(PersistencyDriver.java:271)
        at oracle.bpel.services.workflow.repos.PersistencyDriver.getNonTransactionConnection(PersistencyDriver.java:297)
...
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'FabricConfigManager' defined in ServletContext resource [/WEB-INF/fabric-config.xml]: Cannot resolve reference to bean 'MediatorServiceEngine' while setting bean property 'configurables' with key [2]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'MediatorServiceEngine' defined in ServletContext resource [/WEB-INF/fabric-config-mediator.xml]: Cannot resolve reference to bean 'FaultRecoveryManager' while setting bean property 'faultRecoveryManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'FaultRecoveryManager' defined in ServletContext resource [/WEB-INF/fabric-config.xml]: Cannot resolve reference to bean 'BPELServiceEngine' while setting bean property 'serviceEngines' with key [1]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'BPELServiceEngine' defined in ServletContext resource [/WEB-INF/fabric-config-bpel.xml]: Invocation of init method failed; nested exception is java.lang.RuntimeException:
ORABPEL START-UP ERROR!!!!!!!!
OraBPEL run-time system failed to start due to exception:


Restart the SOA Infra database to get rid of this error. Once done restart the admin and managed servers and  the managed server should come up fine now.