java.lang.reflect.InvocationTargetException: This exception has no message.

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  1. ,
    via oracle.com by Unknown author

    App tries to load in a class through its string name using forName method in class Class, findSystemClass method in class ClassLoader, loadClass method in class ClassLoader but no definition for the class with the specified name could be found.

  2. ,

    Unless you are involved in dynamic class loading and using the Java Reflection API, chances are that the ClassNotFoundException error you are getting is not from your application code but from a referencing API.

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, 1 year ago
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java.lang.reflect.InvocationTargetException	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:329)	at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:139)	at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:123)	at org.pentaho.ui.xul.jface.tags.JfaceMenuitem.access$100(JfaceMenuitem.java:26)	at org.pentaho.ui.xul.jface.tags.JfaceMenuitem$1.run(JfaceMenuitem.java:88)	at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:545)	at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:490)	at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:402)	at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)	at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)	at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)	at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)	at org.pentaho.di.ui.spoon.Spoon.readAndDispatch(Spoon.java:1227)	at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:7368)	at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:8673)	at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:625)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.pentaho.commons.launcher.Launcher.main(Launcher.java:134)Caused by: java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory	at org.eobjects.analyzer.job.concurrent.SingleThreadedTaskRunner.<init>(SingleThreadedTaskRunner.java:28)	at org.eobjects.analyzer.configuration.AnalyzerBeansConfigurationImpl.defaultTaskRunner(AnalyzerBeansConfigurationImpl.java:50)	at org.eobjects.analyzer.configuration.AnalyzerBeansConfigurationImpl.<init>(AnalyzerBeansConfigurationImpl.java:70)	at org.pentaho.di.profiling.datacleaner.ModelerHelper.profileStep(ModelerHelper.java:295)	... 26 moreCaused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory	at java.net.URLClassLoader$1.run(Unknown Source)	at java.net.URLClassLoader$1.run(Unknown Source)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at org.pentaho.di.core.plugins.KettleURLClassLoader.loadClass(KettleURLClassLoader.java:98)	at java.lang.ClassLoader.loadClass(Unknown Source)	... 30 more