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java.lang.NullPointerException at org.apache.commons.digester.Digester.getXMLReader(Digester.java:1068) at org.apache.commons.digester.Digester.parse(Digester.java:1871) at hudson.scm.CVSChangeLogSet.parse(CVSChangeLogSet.java:118) at hudson.scm.CVSChangeLogParser.parse(CVSChangeLogParser.java:43) at hudson.scm.CVSChangeLogParser.parse(CVSChangeLogParser.java:38) at hudson.model.AbstractBuild.calcChangeSet(AbstractBuild.java:911) at hudson.model.AbstractBuild.access$600(AbstractBuild.java:105) at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:616) at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86) at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:529) at hudson.model.Run.execute(Run.java:1741) at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43) at hudson.model.ResourceController.execute(ResourceController.java:98) at hudson.model.Executor.run(Executor.java:410)