Prøv at ændre strengen i META-INF\persistence.xml:<jta-data-source>DefaultDS</jta-data-source>
ind i <non-jta-data-source>DefaultDS</non-jta-data-source>
Prøv at ændre strengen i META-INF\persistence.xml:<jta-data-source>DefaultDS</jta-data-source>
ind i <non-jta-data-source>DefaultDS</non-jta-data-source>