JPMS appeared in Java 9, now Java 14 is available. Starting from Java 9 we have two types of path:
# -- – class-path
# --module-path.
If JPMS is used in application then, as a rule, no class-path is used.
So I suggest to add scanning for persistence.xml also in module-path if Java9+. Although according to JPA specs persistence.xml file has to be located in the META-INF directory in the classpath, all we know that there was no JPMS when JPA specs was written.
At the same time module-path scanning must be enabled only explicitly for example via java system property. |
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