java.lang.NullPointerException: This exception has no message.

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

java.lang.NullPointerException:
at org.pentaho.plugin.jfreereport.reportcharts.MultiPieChartExpression.getValue(MultiPieChartExpression.java:97)
at org.jfree.report.states.datarow.ExpressionDataRow.reactivateExpressions(ExpressionDataRow.java:653)
at org.jfree.report.states.datarow.ExpressionDataRow.fireReportEvent(ExpressionDataRow.java:625)
at org.jfree.report.states.datarow.GlobalMasterRow.fireReportEvent(GlobalMasterRow.java:360)
at org.jfree.report.states.datarow.DefaultFlowController.fireReportEvent(DefaultFlowController.java:292)
at org.jfree.report.states.process.ProcessState.fireReportEvent(ProcessState.java:486)
at org.jfree.report.states.process.ProcessDetailsHandler.advance(ProcessDetailsHandler.java:31)
at org.jfree.report.states.process.ProcessState.advance(ProcessState.java:282)
at org.jfree.report.layout.output.AbstractReportProcessor.processPrepareLevels(AbstractReportProcessor.java:311)
at org.jfree.report.layout.output.AbstractReportProcessor.prepareReportProcessing(AbstractReportProcessor.java:402)
at org.jfree.report.modules.output.pageable.graphics.PrintReportProcessor.getPageDrawable(PrintReportProcessor.java:237)
at org.pentaho.reportdesigner.crm.report.preview.ReportPane$3.run(ReportPane.java:113)

Users with the same issue

You are the first who have seen this exception. Write a tip to help other users and build your expert profile.

Know the solutions? Share your knowledge to help other developers to debug faster.