Problem while loading

[danichef]

So it's the first time I use this library and I'm already having trouble and cannot find any solution When I load the plugin, it throws this error "org.jfree.data.category.CategoryDataset". This is are my dependencies in pom (using IntelliJ and Maven):

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       <!-- https://mvnrepository.com/artifact/org.jfree/jcommon -->
        <dependency>
            <groupId>org.jfree</groupId>
            <artifactId>jcommon</artifactId>
            <version>1.0.17</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.jdom/jdom -->
        <dependency>
            <groupId>org.jdom</groupId>
            <artifactId>jdom</artifactId>
            <version>2.0.2</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.jfree/jfreechart -->
        <dependency>
            <groupId>org.jfree</groupId>
            <artifactId>jfreechart</artifactId>
            <version>1.0.14</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/junit/junit -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.10</version>
        </dependency>

Any solution?

[david.gilbert]

First, please post the exact exception message you see. Second, perhaps try a more recent version of JFreeChart (1.0.14 is quite old).

[danichef]

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java.lang.NoClassDefFoundError: org/jfree/data/category/CategoryDataset
	at com.danichefktn.stats.Stats.onEnable(Stats.java:47) ~[?:?]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_121]
Caused by: java.lang.ClassNotFoundException: org.jfree.data.category.CategoryDataset
	at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_121]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_121]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_121]
	

Tried using a newer version of both jfreechart and jcommon but still get the same error

[John Matthews]

For reference, I downloaded the relevant JAR files and verified the presence of CategoryDataset:

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$ jar tf jfreechart-1.0.14.jar | grep CategoryDataset
org/jfree/data/category/CategoryDataset.class

I then ran BarChartDemo1, which imports CategoryDataset:

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$ java -cp jfreechart-1.0.14.jar:jcommon-1.0.17.jar org.jfree.chart.demo.BarChartDemo1

[danichef]

weird