unclassified:
  jiraProjectProperty:
    sites: "FAILED TO EXPORT hudson.plugins.jira.JiraProjectProperty$DescriptorImpl#sites:\
      \ io.jenkins.plugins.casc.ConfiguratorException: Can't read attribute 'url'\
      \ from [Lhudson.plugins.jira.JiraSite;@7a6c24f8  at io.jenkins.plugins.casc.Attribute._getValue(Attribute.java:258)\
      \  at io.jenkins.plugins.casc.Attribute.getValue(Attribute.java:176)  at io.jenkins.plugins.casc.impl.configurators.DataBoundConfigurator.describe(DataBoundConfigurator.java:240)\
      \  at io.jenkins.plugins.casc.Attribute.describe(Attribute.java:198)  at io.jenkins.plugins.casc.Configurator.describe(Configurator.java:162)\
      \  at io.jenkins.plugins.casc.impl.configurators.GlobalConfigurationCategoryConfigurator.describe(GlobalConfigurationCategoryConfigurator.java:106)\
      \  at io.jenkins.plugins.casc.impl.configurators.GlobalConfigurationCategoryConfigurator.lambda$describe$3(GlobalConfigurationCategoryConfigurator.java:99)\
      \  at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)\
      \  at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)\
      \  at java.util.Iterator.forEachRemaining(Iterator.java:116)  at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)\
      \  at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)\
      \  at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)\
      \  at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)\
      \  at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)\
      \  at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)\
      \  at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)\
      \  at io.jenkins.plugins.casc.impl.configurators.GlobalConfigurationCategoryConfigurator.describe(GlobalConfigurationCategoryConfigurator.java:99)\
      \  at io.jenkins.plugins.casc.impl.configurators.GlobalConfigurationCategoryConfigurator.describe(GlobalConfigurationCategoryConfigurator.java:30)"