Hi,
I am getting following error when calling pmf.getPersistenceManager():
org.datanucleus.exceptions.NucleusUserException: No available
StoreManager found for the datastore URL key "". Please make sure you
have all relevant plugins in the CLASSPATH (e.g datanucleus-rdbms?,
datanucleus-db4o?), and consider setting the persistence property
"datanucleus.storeManagerType" to the type of store you are using e.g
rdbms, db4o
at
org.datanucleus.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:
354)
at
org.datanucleus.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:
544)
at
org.datanucleus.jdo.JDOPersistenceManagerFactory.getPersistenceManager(JDOPersistenceManagerFactory.java:
576)
at
org.datanucleus.jdo.JDOPersistenceManagerFactory.getPersistenceManager(JDOPersistenceManagerFactory.java:
557)
Strange thing is it is showing url is "" although I have set it to
"appengine"
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