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 Will Gorman, 1 year ago
via Pentaho BI Platform Tracking by Will Gorman, 2 years ago
java.lang.NullPointerException: 	at org.pentaho.plugin.jfreereport.reportcharts.XYZSeriesCollectorFunction.buildDataset(XYZSeriesCollectorFunction.java:138)	at org.pentaho.plugin.jfreereport.reportcharts.XYSeriesCollectorFunction.itemsAdvanced(XYSeriesCollectorFunction.java:167)	at org.pentaho.reporting.engine.classic.core.states.datarow.ExpressionDataRow.fireItemsAdvancedEvent(ExpressionDataRow.java:715)	at org.pentaho.reporting.engine.classic.core.states.datarow.ExpressionDataRow.fireReportEvent(ExpressionDataRow.java:569)	at org.pentaho.reporting.engine.classic.core.states.datarow.GlobalMasterRow.fireReportEvent(GlobalMasterRow.java:558)	at org.pentaho.reporting.engine.classic.core.states.datarow.DefaultFlowController.fireReportEvent(DefaultFlowController.java:410)	at org.pentaho.reporting.engine.classic.core.states.process.ProcessState.fireReportEvent(ProcessState.java:830)	at org.pentaho.reporting.engine.classic.core.states.process.ProcessDetailsHandler.advance(ProcessDetailsHandler.java:59)	at org.pentaho.reporting.engine.classic.core.states.process.ProcessState.advance(ProcessState.java:648)	at org.pentaho.reporting.engine.classic.core.layout.output.AbstractReportProcessor.processPrepareLevels(AbstractReportProcessor.java:344)	at org.pentaho.reporting.engine.classic.core.layout.output.AbstractReportProcessor.prepareReportProcessing(AbstractReportProcessor.java:436)	at org.pentaho.reporting.engine.classic.core.modules.output.pageable.graphics.PrintReportProcessor.getNumberOfPages(PrintReportProcessor.java:90)	at org.pentaho.reporting.engine.classic.core.modules.gui.base.PreviewPane$RepaginationRunnable.run(PreviewPane.java:270)	at org.pentaho.reporting.engine.classic.core.util.Worker.run(Worker.java:187)