java.lang.NoClassDefFoundError: org/eclipse/emf/codegen/jet/JETException

GitHub | arbennett | 9 months ago
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    `mvn install` fails on Parser Generator projects

    GitHub | 9 months ago | arbennett
    java.lang.NoClassDefFoundError: org/eclipse/emf/codegen/jet/JETException
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    Bug 485129 – [mvn][wizard] Missing emf.codegen dependency in plain maven build

    eclipse.org | 7 months ago
    java.lang.NoClassDefFoundError: org/eclipse/emf/codegen/jet/JETException
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    GWT server side database connection - cannot find oracle.jdbc.driver.OracleDrive

    Stack Overflow | 5 years ago | grayob
    java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver
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    Stack Overflow | 3 years ago | user3049941
    org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'oracle.jdbc.driver.OracleDriver'

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    org.eclipse.emf.codegen.jet.JETException

    at java.net.URLClassLoader.findClass()
  2. Java RT
    ClassLoader.loadClass
    1. java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    3. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    3 frames
  3. org.eclipse.emf.codegen.ecore
    GenModelFactoryImpl.create
    1. org.eclipse.emf.codegen.ecore.genmodel.impl.GenModelFactoryImpl.createGenModel(GenModelFactoryImpl.java:162)
    2. org.eclipse.emf.codegen.ecore.genmodel.impl.GenModelFactoryImpl.create(GenModelFactoryImpl.java:77)
    2 frames
  4. EMF XMI
    XMIHandler.startElement
    1. org.eclipse.emf.ecore.xmi.impl.XMLHelperImpl.createObject(XMLHelperImpl.java:885)
    2. org.eclipse.emf.ecore.xmi.impl.XMLHelperImpl.createObject(XMLHelperImpl.java:922)
    3. org.eclipse.emf.ecore.xmi.impl.XMLHandler.createObjectFromFactory(XMLHandler.java:2222)
    4. org.eclipse.emf.ecore.xmi.impl.XMLHandler.createObjectByType(XMLHandler.java:1366)
    5. org.eclipse.emf.ecore.xmi.impl.XMLHandler.createTopObject(XMLHandler.java:1504)
    6. org.eclipse.emf.ecore.xmi.impl.XMLHandler.processElement(XMLHandler.java:1026)
    7. org.eclipse.emf.ecore.xmi.impl.XMIHandler.processElement(XMIHandler.java:78)
    8. org.eclipse.emf.ecore.xmi.impl.XMLHandler.startElement(XMLHandler.java:1008)
    9. org.eclipse.emf.ecore.xmi.impl.XMLHandler.startElement(XMLHandler.java:719)
    10. org.eclipse.emf.ecore.xmi.impl.XMIHandler.startElement(XMIHandler.java:190)
    10 frames
  5. Java RT
    SAXParserImpl.parse
    1. com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:509)
    2. com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidator.java:745)
    3. com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:1364)
    4. com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$ContentDriver.scanRootElementHook(XMLDocumentScannerImpl.java:1295)
    5. com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:3135)
    6. com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:880)
    7. com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606)
    8. com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
    9. com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848)
    10. com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)
    11. com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
    12. com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)
    13. com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:643)
    14. com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(SAXParserImpl.java:327)
    14 frames
  6. EMF XMI
    XMLResourceImpl.doLoad
    1. org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.load(XMLLoadImpl.java:175)
    2. org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl.doLoad(XMLResourceImpl.java:261)
    2 frames
  7. org.eclipse.emf.ecore
    ResourceSetImpl.demandLoadHelper
    1. org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:1518)
    2. org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:1297)
    3. org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.demandLoad(ResourceSetImpl.java:259)
    4. org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.demandLoadHelper(ResourceSetImpl.java:274)
    4 frames
  8. org.eclipse.xtext
    XtextGeneratorResourceSetInitializer$1.apply
    1. org.eclipse.xtext.resource.XtextResourceSet.getResource(XtextResourceSet.java:265)
    2. org.eclipse.xtext.xtext.generator.XtextGeneratorResourceSetInitializer.loadResource(XtextGeneratorResourceSetInitializer.java:57)
    3. org.eclipse.xtext.xtext.generator.XtextGeneratorResourceSetInitializer.access$0(XtextGeneratorResourceSetInitializer.java:54)
    4. org.eclipse.xtext.xtext.generator.XtextGeneratorResourceSetInitializer$1.apply(XtextGeneratorResourceSetInitializer.java:46)
    5. org.eclipse.xtext.xtext.generator.XtextGeneratorResourceSetInitializer$1.apply(XtextGeneratorResourceSetInitializer.java:1)
    5 frames
  9. Eclipse Xbase Runtime Library
    IterableExtensions.forEach
    1. org.eclipse.xtext.xbase.lib.IteratorExtensions.forEach(IteratorExtensions.java:363)
    2. org.eclipse.xtext.xbase.lib.IterableExtensions.forEach(IterableExtensions.java:333)
    2 frames
  10. org.eclipse.xtext
    XtextGenerator.checkConfigurationInternal
    1. org.eclipse.xtext.xtext.generator.XtextGeneratorResourceSetInitializer.initialize(XtextGeneratorResourceSetInitializer.java:49)
    2. org.eclipse.xtext.xtext.generator.XtextGeneratorLanguage.initialize(XtextGeneratorLanguage.java:206)
    3. org.eclipse.xtext.xtext.generator.StandardLanguage.initialize(StandardLanguage.java:166)
    4. org.eclipse.xtext.xtext.generator.XtextGenerator.initialize(XtextGenerator.java:176)
    5. org.eclipse.xtext.xtext.generator.XtextGenerator.checkConfigurationInternal(XtextGenerator.java:120)
    5 frames
  11. org.eclipse.emf
    Mwe2Launcher.main
    1. org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent2.checkConfiguration(AbstractWorkflowComponent2.java:21)
    2. org.eclipse.emf.mwe.core.lib.Mwe2Bridge.preInvoke(Mwe2Bridge.java:65)
    3. org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.preInvoke(AbstractWorkflowComponent.java:197)
    4. org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.preInvoke(AbstractCompositeWorkflowComponent.java:29)
    5. org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:18)
    6. org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:102)
    7. org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:62)
    8. org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52)
    9. org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:78)
    10. org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:36)
    10 frames
  12. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:498)
    4 frames
  13. org.codehaus.mojo
    ExecJavaMojo$1.run
    1. org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:293)
    1 frame
  14. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)
    1 frame