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 Coderanch by Girish Vasmatkar, 1 year ago
This exception has no message.
via Coderanch by Subhajit Pathak, 1 year ago
via Coderanch by Senthil B Kumar, 1 year ago
via GitHub by hurricanetx
, 2 years ago
This exception has no message.
via GitHub by gclsoft
, 1 year ago
This exception has no message.
via GitHub by shangqingbai
, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at mondrian.rolap.RolapStar$Column.generateExprString(RolapStar.java:1168)	at mondrian.rolap.RolapStar.generateSql(RolapStar.java:925)	at org.pentaho.aggdes.model.mondrian.MondrianSchema.generateAggregateSql(MondrianSchema.java:273)	at org.pentaho.aggdes.output.impl.PopulateTableGenerator.generate(PopulateTableGenerator.java:59)	at org.pentaho.aggdes.output.impl.OutputServiceImpl.getArtifact(OutputServiceImpl.java:127)	at org.pentaho.aggdes.ui.form.controller.ExportHandler.getOutput(ExportHandler.java:402)	at org.pentaho.aggdes.ui.form.controller.ExportHandler.saveDml(ExportHandler.java:484)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:323)	at org.pentaho.ui.xul.swing.tags.SwingButton$OnClickRunnable.run(SwingButton.java:58)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178)	at java.awt.Dialog$1.run(Dialog.java:1046)	at java.awt.Dialog$3.run(Dialog.java:1098)	at java.security.AccessController.doPrivileged(Native Method)	at java.awt.Dialog.show(Dialog.java:1096)	at java.awt.Component.show(Component.java:1563)	at java.awt.Component.setVisible(Component.java:1515)	at java.awt.Window.setVisible(Window.java:842)	at java.awt.Dialog.setVisible(Dialog.java:986)	at org.pentaho.ui.xul.swing.tags.SwingDialog.show(SwingDialog.java:234)	at org.pentaho.aggdes.ui.form.controller.ExportHandler.openDialog(ExportHandler.java:144)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:323)	at org.pentaho.ui.xul.swing.tags.SwingButton$OnClickRunnable.run(SwingButton.java:58)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)