I'm hoping this is something dumb on my end and not a bug. When trying to use the dbChart plugin I always get a failure, with the UnsupportedOperationException getting thrown.

System Specs:
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Ubuntu 10.04
Hudson 1.360
MySQL 5.1.41
Java 1.6

To recreate:
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• Install the plugin
• Create a database called dbcharts in MySQL
• Create a new JDBC Connection in the Hudson configuration. Test connection to validate settings.
• Create a new freestyle project
• Leave all project settings in their default state.
• Add an entry under Database charts, using the default settings
• Save the settings for the new project
• Run the build

I ran this on a fresh Ubuntu install and still received the same error. Perhaps the plugin needs updating to work with the latest version of Hudson?

Here's the output in the Hudson logs below:

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May 31, 2010 10:13:17 PM hudson.plugins.dbcharts.DbChartPublisher getDescriptor
INFO: DbChartPublisher.getDescriptor() called

May 31, 2010 10:13:17 PM hudson.model.AbstractBuild$AbstractRunner performAllBuildSteps
WARNING: Publisher hudson.plugins.dbcharts.DbChartPublisher aborted due to exception
java.lang.UnsupportedOperationException
at hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:97)
at hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:61)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:19)
at hudson.model.AbstractBuild$AbstractRunner.perform(AbstractBuild.java:601)
at hudson.model.AbstractBuild$AbstractRunner.performAllBuildSteps(AbstractBuild.java:580)
at hudson.model.AbstractBuild$AbstractRunner.performAllBuildSteps(AbstractBuild.java:558)
at hudson.model.Build$RunnerImpl.post2(Build.java:158)
at hudson.model.AbstractBuild$AbstractRunner.post(AbstractBuild.java:528)
at hudson.model.Run.run(Run.java:1264)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:124)

May 31, 2010 10:13:17 PM hudson.plugins.dbcharts.DbChartPublisher getDescriptor
INFO: DbChartPublisher.getDescriptor() called

May 31, 2010 10:13:17 PM hudson.model.Run run
INFO: test #2 main build action completed: SUCCESS

May 31, 2010 10:13:17 PM hudson.plugins.dbcharts.DbChartPublisher getDescriptor
INFO: DbChartPublisher.getDescriptor() called