Documentation for Confluence 2.5.4 - 2.5.8.
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I am getting an error message about NoClassDefFoundError when using the Chart macro

The following error may appear when viewing certain pages where the Chart Macro is used:

Caused by: java.lang.NoClassDefFoundError
at org.jfree.chart.ChartFactory.createAreaChart(ChartFactory.java:874)
at com.atlassian.confluence.extra.chart.ChartMacro.getChart(ChartMacro.java:217)
at com.atlassian.confluence.extra.chart.ChartMacro.execute(ChartMacro.java:102)

This is indicative of an out-of-date version of the Chart macro. Make sure you have the latest version and have removed any old versions or dependencies. If you are using Confluence 1.4, it may be a symptom of not having the jfreechart and jcommon JARs in your installation, which are required.

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