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Samebug tips

  1. ,

    You are not deploying the oracle driver with the application. Place the driver jars in a shared or library extension folder of your application server. (You should go with option one or two though

  2. ,
    Expert tip

    This might be an issue with the file location in the Spark submit command. Try it with

    spark-submit --master spark://master:7077 \
         hello_world_from_pyspark.py {file location}
    
    

Solutions on the web

java.lang.ClassNotFoundException: groups	at java.net.URLClassLoader.findClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Unknown Source)	at net.sf.jabref.gui.SidePaneManager.getPreferredPositions(SidePaneManager.java:167)	at net.sf.jabref.gui.SidePaneManager.access$000(SidePaneManager.java:25)	at net.sf.jabref.gui.SidePaneManager$PreferredIndexSort.(SidePaneManager.java:213)	at net.sf.jabref.gui.SidePaneManager.show(SidePaneManager.java:124)	at net.sf.jabref.gui.SidePaneManager.show(SidePaneManager.java:96)	at net.sf.jabref.gui.SidePaneManager.toggleThreeWay(SidePaneManager.java:87)	at net.sf.jabref.gui.SidePaneComponent$ToggleAction.actionPerformed(SidePaneComponent.java:142)	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)	at javax.swing.JToggleButton$ToggleButtonModel.setPressed(Unknown Source)	at javax.swing.AbstractButton.doClick(Unknown Source)	at javax.swing.AbstractButton.doClick(Unknown Source)	at javax.swing.plaf.basic.BasicMenuItemUI$Actions.actionPerformed(Unknown Source)	at javax.swing.SwingUtilities.notifyAction(Unknown Source)	at javax.swing.JComponent.processKeyBinding(Unknown Source)	at javax.swing.JMenuBar.processBindingForKeyStrokeRecursive(Unknown Source)	at javax.swing.JMenuBar.processBindingForKeyStrokeRecursive(Unknown Source)	at javax.swing.JMenuBar.processBindingForKeyStrokeRecursive(Unknown Source)	at javax.swing.JMenuBar.processKeyBinding(Unknown Source)	at javax.swing.KeyboardManager.fireBinding(Unknown Source)	at javax.swing.KeyboardManager.fireKeyboardAction(Unknown Source)	at javax.swing.JComponent.processKeyBindingsForAllComponents(Unknown Source)	at javax.swing.JComponent.processKeyBindings(Unknown Source)	at javax.swing.JComponent.processKeyEvent(Unknown Source)	at java.awt.Component.processEvent(Unknown Source)	at java.awt.Container.processEvent(Unknown Source)	at java.awt.Component.dispatchEventImpl(Unknown Source)	at java.awt.Container.dispatchEventImpl(Unknown Source)	at java.awt.Component.dispatchEvent(Unknown Source)	at java.awt.KeyboardFocusManager.redispatchEvent(Unknown Source)	at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(Unknown Source)	at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Source)	at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)	at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)	at java.awt.Component.dispatchEventImpl(Unknown Source)	at java.awt.Container.dispatchEventImpl(Unknown Source)	at java.awt.Window.dispatchEventImpl(Unknown Source)	at java.awt.Component.dispatchEvent(Unknown Source)	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)	at java.awt.EventQueue.access$500(Unknown Source)	at java.awt.EventQueue$3.run(Unknown Source)	at java.awt.EventQueue$3.run(Unknown Source)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)	at java.awt.EventQueue$4.run(Unknown Source)	at java.awt.EventQueue$4.run(Unknown Source)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)	at java.awt.EventQueue.dispatchEvent(Unknown Source)	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)	at java.awt.EventDispatchThread.run(Unknown Source)