If I try to deploy my .ear to GlassFish 3, it always fails with
"Exception while invoking class org.glassfish.persistence.jpa.JPADeployer
prepare method: java.lang.RuntimeException: Invalid resource:
jdbc/MyDataSource__pm".
Thing is, in persistence.xml I specified
<jta-data-source>jdbc/MyDataSource</jta-data-source>. Any idea what I'm doing
wrong, i.e. where does the __pm come from and how do I get rid of it?
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