Can you provide more information ? Do you use "glassfish-resources.xml"
(application/module scoped resources) bundled in the application's
META-INF/WEB-INF directory ?
The exception indicates that the jdbc-resource referred via
<jta-data-source>/<non-jta-data-source> is not available. Make sure that the
<jta-data-source> or <non-jta-data-source> elements in persistence.xml should
refer to a jdbc-resource made available in application server.
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