java.lang.NullPointerException
at jenkins.security.ConfidentialStore.get(ConfidentialStore.java:66)
at jenkins.security.ConfidentialKey.load(ConfidentialKey.java:47)
at jenkins.security.CryptoConfidentialKey.getKey(CryptoConfidentialKey.java:32)
at jenkins.security.CryptoConfidentialKey.decrypt(CryptoConfidentialKey.java:67)
at hudson.util.Secret.decrypt(Secret.java:137)
at hudson.util.Secret.fromString(Secret.java:186)
at com.novoda.persistence.PersistenceManager.getConnection(PersistenceManager.java:25)
at com.novoda.persistence.PersistenceManagerTest.test_should_create_connection_and_close_without_error(PersistenceManagerTest.java:74)