org.apache.openjpa.util.StoreException: Attempt to update the sequence table "ID_GENERATOR" failed. The sequence table is typically created when you run the mappingtool's refresh action on any datastore identity class. If you have not run the mappingtool but want to create the sequence table, run:
java org.apache.openjpa.jdbc.kernel.TableJDBCSeq -action add
org.apache.openjpa.util.StoreException: The transaction has been rolled back. See the nested exceptions for details on the errors that occurred.