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This exception has no message.
com.solarmetric.license.LicenseException: No product license
key was found. Please ensure that your license key is specified in y
our kodo.properties file (or in the "General" tab of your IDE's
configuration dialog), that the key has not expired, and that it is the corr
ect key for the version of the product that you are running. If you need
to request an evaluation key, please go to
http://www.solarmetric.c
om, or contact
sales@solarmetric.com
.	at com.solarmetric.license.License.(License.java:43)	at kodo.conf.JDOConfigurationImpl.getLicense(JDOConfigurationImpl.java:311)	at kodo.runtime.PersistenceManagerFactoryImpl.(PersistenceManagerFactoryImpl.java:79)	at kodo.versant.ObjectPersistenceManagerFactory.(ObjectPersistenceManagerFactory.java:35)	at kodo.versant.ObjectPersistenceManagerFactory.getPersistenceManagerFactory(ObjectPersistenceManagerFactory.java:47)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at javax.jdo.JDOHelper.getPersistenceManagerFactory(Unknown Source)	at javax.jdo.JDOHelper.getPersistenceManagerFactory(Unknown Source)	at tutorial.JDOFactory.getPersistenceManagerFactory(JDOFactory.java:49)	at tutorial.JDOFactory.getPersistenceManager(JDOFactory.java:64)	at tutorial.SeedDatabase.main(SeedDatabase.java:30)