Index: jpa/subsystem/src/main/java/org/jboss/as/jpa/processor/PersistenceUnitServiceHandler.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- jpa/subsystem/src/main/java/org/jboss/as/jpa/processor/PersistenceUnitServiceHandler.java	(revision ad5b8ac1a5e4072134de9cbb9056f7c64e3557ed)
+++ jpa/subsystem/src/main/java/org/jboss/as/jpa/processor/PersistenceUnitServiceHandler.java	(date 1571124267629)
@@ -143,9 +143,12 @@
         List<PersistenceAdaptorRemoval> removals = context.getAttachmentList(REMOVAL_KEY);
         if (removals != null) {
             for (PersistenceAdaptorRemoval removal : removals) {
+                ROOT_LOGGER.trace("Found persistent unit " + removal.pu.toString() + " for removal");
                 removal.cleanup();
             }
             context.removeAttachment(REMOVAL_KEY);
+        } else {
+            ROOT_LOGGER.trace("No persistent units for undeploy found");
         }
     }
 
@@ -1181,8 +1184,11 @@
         }
 
         private void cleanup() {
+            ROOT_LOGGER.trace("Start cleanup");
+            ROOT_LOGGER.trace("Adaptor is of class: " + adaptor.getClass().toString());
             adaptor.cleanup(pu);
-            if(subsystemResource != null && pathToScopedPu != null) {
+            if (subsystemResource != null && pathToScopedPu != null) {
+                ROOT_LOGGER.trace("Remove child");
                 subsystemResource.removeChild(pathToScopedPu);
             }
         }