java.lang.NullPointerException

There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

  • java.lang.NullPointerException at org.datacleaner.components.group.GrouperTransformer.getOutputDataStreams(GrouperTransformer.java:167) at org.datacleaner.job.builder.AbstractComponentBuilder.getOutputDataStreams(AbstractComponentBuilder.java:940) at org.datacleaner.widgets.visualization.JobGraphNodeBuilder.addNodes(JobGraphNodeBuilder.java:322) at org.datacleaner.widgets.visualization.JobGraphNodeBuilder.buildGraphInternal(JobGraphNodeBuilder.java:106) at org.datacleaner.widgets.visualization.JobGraphNodeBuilder.buildGraphInternal(JobGraphNodeBuilder.java:86) at org.datacleaner.widgets.visualization.JobGraphNodeBuilder.buildGraph(JobGraphNodeBuilder.java:79) at org.datacleaner.widgets.visualization.JobGraph.refresh(JobGraph.java:148) at org.datacleaner.windows.AnalysisJobBuilderWindowImpl$WindowTransformerChangeListener.onConfigurationChanged(AnalysisJobBuilderWindowImpl.java:207) at org.datacleaner.windows.AnalysisJobBuilderWindowImpl$WindowTransformerChangeListener.onConfigurationChanged(AnalysisJobBuilderWindowImpl.java:179) at org.datacleaner.job.builder.TransformerComponentBuilder.onConfigurationChanged(TransformerComponentBuilder.java:295) at org.datacleaner.job.builder.AbstractComponentBuilder.setConfiguredProperty(AbstractComponentBuilder.java:331) at org.datacleaner.widgets.properties.MinimalPropertyWidget.fireValueChanged(MinimalPropertyWidget.java:144) at org.datacleaner.widgets.properties.MinimalPropertyWidget.fireValueChanged(MinimalPropertyWidget.java:73) at org.datacleaner.widgets.properties.MultipleInputColumnsPropertyWidget$1.onItemSelected(MultipleInputColumnsPropertyWidget.java:89) at org.datacleaner.widgets.properties.MultipleInputColumnsPropertyWidget$1.onItemSelected(MultipleInputColumnsPropertyWidget.java:83) at org.datacleaner.widgets.DCCheckBox.notifyListeners(DCCheckBox.java:151) at org.datacleaner.widgets.DCCheckBox.notifyListeners(DCCheckBox.java:145) at org.datacleaner.widgets.DCCheckBox.itemStateChanged(DCCheckBox.java:80) at javax.swing.AbstractButton.fireItemStateChanged(AbstractButton.java:2050) at javax.swing.AbstractButton$Handler.itemStateChanged(AbstractButton.java:2355) at javax.swing.DefaultButtonModel.fireItemStateChanged(DefaultButtonModel.java:455) at javax.swing.JToggleButton$ToggleButtonModel.setSelected(JToggleButton.java:272) at javax.swing.JToggleButton$ToggleButtonModel.setPressed(JToggleButton.java:289) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252) at com.jgoodies.looks.plastic.ActiveBasicButtonListener.mouseReleased(ActiveBasicButtonListener.java:69) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289) at java.awt.Component.processMouseEvent(Component.java:6533) at javax.swing.JComponent.processMouseEvent(JComponent.java:3324) at java.awt.Component.processEvent(Component.java:6298) at java.awt.Container.processEvent(Container.java:2236) at java.awt.Component.dispatchEventImpl(Component.java:4889) at java.awt.Container.dispatchEventImpl(Container.java:2294) at java.awt.Component.dispatchEvent(Component.java:4711) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466) at java.awt.Container.dispatchEventImpl(Container.java:2280) at java.awt.Window.dispatchEventImpl(Window.java:2746) at java.awt.Component.dispatchEvent(Component.java:4711) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86) at java.awt.EventQueue$4.run(EventQueue.java:731) at java.awt.EventQueue$4.run(EventQueue.java:729) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:728) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
No Bugmate found.