java
>PROBLEM Creating a persistence.xml file having two persistence units caused the following Wildfly’s error message: Caused by: java.lang.IllegalArgumentException: WFLYJPA0061: Persistence unitName was not specified and there are 2 persistence unit definitions in application deployment deployment “todos.war”. Either change the application deployment to have only one persistence unit definition or specify the unitName for each … Read More “WILDFLY/JBOSS: WFLYJPA0061: Persistence unitName was not specified and double persistence unit definitions” »