java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at java.util.Arrays$ArrayList.(Arrays.java:2231)
at java.util.Arrays.asList(Arrays.java:2217)
at com.solarmetric.kodo.impl.jdbc.ormapping.AbstractCollectionMapping.fromArray(AbstractCollectionMapping.java:293)
at com.solarmetric.kodo.impl.jdbc.ormapping.AbstractCollectionMapping.update(AbstractCollectionMapping.java:146)
at com.solarmetric.kodo.impl.jdbc.ormapping.ManyToManyMapping.update(ManyToManyMapping.java:99)
at com.solarmetric.kodo.impl.jdbc.ormapping.ClassMapping.update(ClassMapping.java:626)
at com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.flush(JDBCStoreManager.java:540)
at com.solarmetric.kodo.runtime.datacache.DataCacheStoreManager.flush(DataCacheStoreManager.java:695)
at com.solarmetric.kodo.runtime.PersistenceManagerImpl.flushInternal(PersistenceManagerImpl.java:697)
at com.solarmetric.kodo.ee.EEPersistenceManager.beforeCompletion(EEPersistenceManager.java:211)
at weblogic.transaction.internal.ServerSCInfo.callBeforeCompletions(ServerSCInfo.java:540)
at weblogic.transaction.internal.ServerSCInfo.startPrePrepareAndChain(ServerSCInfo.java:92)
at weblogic.transaction.internal.ServerTransactionImpl.localPrePrepareAndChain(ServerTransactionImpl.java:1060)
at weblogic.transaction.internal.ServerTransactionImpl.globalPrePrepare(ServerTransactionImpl.java:1597)
at weblogic.transaction.internal.ServerTransactionImpl.internalCommit(ServerTransactionImpl.java:237)
at weblogic.transaction.internal.ServerTransactionImpl.commit(ServerTransactionImpl.java:208)
at weblogic.ejb20.internal.BaseEJBObject.postInvoke(BaseEJBObject.java:278)
at com.metasolv.oss.inventory.InventorySessionBean_xf0gis_EOImpl.setInventoryEntityByValue(InventorySessionBean_xf0gis_EOImpl.java:754)
at com.metasolv.oss.inventory.InventorySessionBean_xf0gis_EOImpl_WLSkel.invoke(Unknown Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:362)

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