After the Output Management Web Viewer server was updated to Java 1.8, users found Web Viewer took a long time to logon and respond. It didn't build a repository list and timed out doing a repository status.
The following error occurred: java.lang.ClassCastException: org.eclipse.persistence.jpa.PersistenceProvider incompatible with javax.persistence.spi.PersistenceProvider
Additional configuration required
These are the additional WebSphere resources required for JPA and/or Java 1.8:
1)Under Application servers>Server name>Process definition>Servant>Java Virtual Machine>Custom Properties
...the new resource
com.ibm.websphere.persistence.
Value = CAOPMWebViewer12_ear:
2) Under ...Servant>Java Virtual Machine (Runtime), the Generic JVM argument:
-Dsun.lang.ClassLoader.
CR24-NL