Description
As reported in the dev forum [1] InstrumentationFactory.class.getProtectionDomain().getCodeSource() returns null, causing a NPE.
Caused by: java.lang.NullPointerException
at org.apache.openjpa.enhance.InstrumentationFactory.getAgentJar(InstrumentationFactory.java:204)
at org.apache.openjpa.enhance.InstrumentationFactory.access$200(InstrumentationFactory.java:47)
at org.apache.openjpa.enhance.InstrumentationFactory$1.run(InstrumentationFactory.java:99)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.openjpa.enhance.InstrumentationFactory.getInstrumentation(InstrumentationFactory.java:87)
at org.apache.openjpa.enhance.PCEnhancerAgent.loadDynamicAgent(PCEnhancerAgent.java:95)
at org.apache.openjpa.persistence.PersistenceProviderImpl.loadAgent(PersistenceProviderImpl.java:243)
at org.apache.openjpa.persistence.PersistenceProviderImpl.createEntityManagerFactory(PersistenceProviderImpl.java:91)
at org.apache.openjpa.persistence.PersistenceProviderImpl.createEntityManagerFactory(PersistenceProviderImpl.java:119)
at org.apache.openjpa.persistence.PersistenceProviderImpl.createEntityManagerFactory(PersistenceProviderImpl.java:55)
at javax.persistence.Persistence.createFactory(Persistence.java:172)
... 51 more
[1] http://n2.nabble.com/Error-loading-agent-with-Openjpa2-td3024299.html