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java.lang.NullPointerException: 	at com.solarmetric.kodo.runtime.StateManagerImpl.initialize(StateManagerImpl.java:254)	at com.solarmetric.kodo.impl.jdbc.ormapping.ClassMapping.loadByPK(ClassMapping.java:1015)	at com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.initialize(JDBCStoreManager.java:348)	at com.solarmetric.kodo.runtime.StateManagerImpl.loadInitialState(StateManagerImpl.java:215)	at com.solarmetric.kodo.runtime.PersistenceManagerImpl.getObjectByIdFilter(PersistenceManagerImpl.java:1310)	at com.solarmetric.kodo.runtime.PersistenceManagerImpl.getObjectById(PersistenceManagerImpl.java:1228)	at com.solarmetric.kodo.impl.jdbc.ormapping.OneToOneMapping.load(OneToOneMapping.java:151)	at com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.load(JDBCStoreManager.java:455)	at com.solarmetric.kodo.runtime.StateManagerImpl.loadField(StateManagerImpl.java:2232)	at com.solarmetric.kodo.runtime.StateManagerImpl.isLoaded(StateManagerImpl.java:889)	at itec.v.VersionedObject.jdoGetlatestVersion(VersionedObject.java)	at itec.v.VersionedObject.getLatestVersion(VersionedObject.java:186)	at itec.v.elec.Global.latestGlobalV(Global.java:91)	at itec.v.elec.Signal.preserve(Signal.java:62)	at itec.v.elec.v.VSlot.compareTo(VSlot.java:169)	at java.util.TreeMap.compare(TreeMap.java:1081)	at java.util.TreeMap.put(TreeMap.java:459)	at java.util.TreeSet.add(TreeSet.java:205)	at itec.v.elec.v.VElectronics.addSlot(VElectronics.java:539)	at itec.v.elec.v.VElectronics.addSlotFor(VElectronics.java:608)	at itec.v.elec.v.VElectronics.addSignal(VElectronics.java:769)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at itec.util.ReflectionHelper.invoke(ReflectionHelper.java:193)	at itec.util.ReflectionHelper.invoke(ReflectionHelper.java:182)	at itec.util.ReflectionHelper.addProperty(ReflectionHelper.java:469)	at itec.util.ReflectionHelper.setProperty(ReflectionHelper.java:407)	at itec.xml.ObjectUpdater$UpdateInfo.setProperty(ObjectUpdater.java:365)	at itec.xml.ObjectUpdater$UpdateInfo.endAttribute(ObjectUpdater.java:390)	at itec.xml.ObjectUpdater.endElement(ObjectUpdater.java:693)	at itec.hyp.VehicleReader.endElement(VehicleReader.java:233)	at org.apache.xerces.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:585)	at org.apache.xerces.impl.XMLNamespaceBinder.handleEndElement(XMLNamespaceBinder.java:898)	at org.apache.xerces.impl.XMLNamespaceBinder.endElement(XMLNamespaceBinder.java:644)	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1008)	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1469)	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:329)	at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:525)	at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:581)	at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:152)	at org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1175)	at itec.hyp.VehicleReader.parse(VehicleReader.java:114)	at itec.hyp.Configurator.configure(Configurator.java:138)	at itec.hyp.Configurator.configure(Configurator.java:91)	at itec.hyp.Configurator.configure(Configurator.java:244)	at itec.hyp.ConfiguratorTest.testLegacyReconf(ConfiguratorTest.java:125)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:22)	at junit.extensions.TestSetup$1.protect(TestSetup.java:19)	at junit.extensions.TestSetup.run(TestSetup.java:23)	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:22)	at junit.extensions.TestSetup$1.protect(TestSetup.java:19)	at junit.extensions.TestSetup.run(TestSetup.java:23)	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:22)	at junit.extensions.TestSetup$1.protect(TestSetup.java:19)	at junit.extensions.TestSetup.run(TestSetup.java:23)