Console Output on Builds:

>>>
Recording plot data
ERROR: Publisher hudson.plugins.plot.PlotPublisher aborted due to exception
java.lang.NullPointerException
at java.util.regex.Matcher.getTextLength(Matcher.java:1234)
at java.util.regex.Matcher.reset(Matcher.java:308)
at java.util.regex.Matcher.<init>(Matcher.java:228)
at java.util.regex.Pattern.matcher(Pattern.java:1088)
at hudson.plugins.plot.XMLSeries.getUrl(XMLSeries.java:294)
at hudson.plugins.plot.XMLSeries.addValueToList(XMLSeries.java:412)
at hudson.plugins.plot.XMLSeries.loadSeries(XMLSeries.java:226)
at hudson.plugins.plot.Plot.addBuild(Plot.java:463)
at hudson.plugins.plot.PlotPublisher.perform(PlotPublisher.java:157)
at hudson.tasks.BuildStepMonitor$3.perform(BuildStepMonitor.java:45)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:784)
at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:756)
at hudson.model.Build$BuildExecution.post2(Build.java:183)
at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:705)
at hudson.model.Run.execute(Run.java:1695)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:231)
<<<

Jenkins ver. 1.548

This issue exists since updating to Plot 1.6.

If you need more info, please ask me.