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 Pentaho BI Platform Tracking by Kurtis Cruzada, 1 year ago
via Pentaho BI Platform Tracking by Kurtis Cruzada, 2 years ago
via Ecosystem JIRA by Jacek Jaroczynski, 2 years ago
This exception has no message.
via davmail by dvodvo
, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at javax.swing.plaf.basic.BasicTreeUI$Handler.treeNodesChanged(BasicTreeUI.java:3673)	at org.pentaho.reporting.designer.core.editor.structuretree.AbstractReportDataTreeModel.fireTreeNodeChanged(AbstractReportDataTreeModel.java:370)	at org.pentaho.reporting.designer.core.editor.structuretree.ReportTree$ReportUpdateHandler.nodeChanged(ReportTree.java:105)	at org.pentaho.reporting.engine.classic.core.AbstractReportDefinition.fireModelLayoutChanged(AbstractReportDefinition.java:1391)	at org.pentaho.reporting.engine.classic.core.MasterReport.updateChangedFlagInternal(MasterReport.java:489)	at org.pentaho.reporting.engine.classic.core.Element.notifyNodePropertiesChanged(Element.java:1097)	at org.pentaho.reporting.engine.classic.core.Element.setAttribute(Element.java:511)	at org.pentaho.reporting.engine.classic.core.Element.setAttribute(Element.java:496)	at org.pentaho.reporting.designer.core.actions.report.AddDataFactoryAction.actionPerformed(AddDataFactoryAction.java:97)	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1882)	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2202)	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)	at javax.swing.AbstractButton.doClick(AbstractButton.java:334)	at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1051)	at apple.laf.CUIAquaMenuItem.doClick(CUIAquaMenuItem.java:119)	at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1092)	at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:231)	at java.awt.Component.processMouseEvent(Component.java:5602)	at javax.swing.JComponent.processMouseEvent(JComponent.java:3135)	at java.awt.Component.processEvent(Component.java:5367)	at java.awt.Container.processEvent(Container.java:2010)	at java.awt.Component.dispatchEventImpl(Component.java:4068)	at java.awt.Container.dispatchEventImpl(Container.java:2068)	at java.awt.Component.dispatchEvent(Component.java:3903)	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4256)	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3936)	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3866)	at java.awt.Container.dispatchEventImpl(Container.java:2054)	at java.awt.Window.dispatchEventImpl(Window.java:1801)	at java.awt.Component.dispatchEvent(Component.java:3903)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)