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

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Oracle Community by 3004, 1 year ago
This exception has no message.
via Oracle Community by 3004, 1 year ago
via Oracle Community by 3004, 1 year ago
This exception has no message.
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)

Users with the same issue

You are the first who have seen this exception.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.