java.lang.NullPointerException

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    • java.lang.NullPointerException: null keys not allowed at com.solarmetric.apache.commons.collections.map.AbstractReferenceMap.put(AbstractReferenceMap.java:248) at com.solarmetric.util.EfficientEmptyReferenceMap.put(EfficientEmptyReferenceMap.java:43) at com.solarmetric.apache.commons.collections.set.MapBackedSet.add(MapBackedSet.java:110) at com.solarmetric.util.ReferenceSet.add(ReferenceSet.java:59) at kodo.datacache.ClassRefCacheMap.entryAdded(ClassRefCacheMap.java:136) at kodo.util.CacheMap.put(CacheMap.java:402) at kodo.datacache.DataCacheImpl.putInternal(DataCacheImpl.java:109) at kodo.datacache.AbstractDataCache.putAllInternal(AbstractDataCache.java:420) at kodo.datacache.AbstractDataCache.commit(AbstractDataCache.java:98) at kodo.datacache.DataCacheStoreManager.updateCaches(DataCacheStoreManager.java:222) at kodo.datacache.DataCacheStoreManager.commit(DataCacheStoreManager.java:66) at kodo.kernel.DelegatingStoreManager.commit(DelegatingStoreManager.java:98) at kodo.kernel.BrokerImpl.endStoreManagerTransaction(BrokerImpl.java:1484) at kodo.kernel.BrokerImpl.endTransaction(BrokerImpl.java:2536) at kodo.kernel.BrokerImpl.afterCompletion(BrokerImpl.java:2182) at kodo.kernel.LocalManagedRuntime.commit(LocalManagedRuntime.java:85) at kodo.kernel.BrokerImpl.commit(BrokerImpl.java:1546) at kodo.kernel.DelegatingBroker.commit(DelegatingBroker.java:1250) at kodo.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:451) at figbird.cms.application.DAO.getRootItem(DAO.java:160)
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