Looks like the excluded regions preference is null for existing jobs and the 0.8.2 doesn't expect this.

java.lang.NullPointerException
at
hudson.plugins.clearcase.AbstractClearCaseScm.getExcludedRegionsNormalized(AbstractClearCaseScm.java:405)
at hudson.plugins.clearcase.AbstractClearCaseScm.configureFilters(AbstractClearCaseScm.java:413)
at hudson.plugins.clearcase.ClearCaseSCM.createHistoryAction(ClearCaseSCM.java:194)
at hudson.plugins.clearcase.AbstractClearCaseScm.checkout(AbstractClearCaseScm.java:261)
at hudson.model.AbstractProject.checkout(AbstractProject.java:807)
at hudson.model.AbstractBuild$AbstractRunner.checkout(AbstractBuild.java:313)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:265)
at hudson.model.Run.run(Run.java:899)
at hudson.model.Build.run(Build.java:112)
at hudson.model.ResourceController.execute(ResourceController.java:93)
at hudson.model.Executor.run(Executor.java:119)