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java.lang.NullPointerException: 	at hudson.plugins.klaros.KlarosTestResultPublisher$FileCallableImplementation.expandVariables(KlarosTestResultPublisher.java:752)	at hudson.plugins.klaros.KlarosTestResultPublisher$FileCallableImplementation.invoke(KlarosTestResultPublisher.java:683)	at hudson.plugins.klaros.KlarosTestResultPublisher$FileCallableImplementation.invoke(KlarosTestResultPublisher.java:622)	at hudson.FilePath.act(FilePath.java:990)	at hudson.FilePath.act(FilePath.java:968)	at hudson.plugins.klaros.KlarosTestResultPublisher.perform(KlarosTestResultPublisher.java:537)	at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)	at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:782)	at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:723)	at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.post2(MavenModuleSetBuild.java:1047)	at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:668)	at hudson.model.Run.execute(Run.java:1763)	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:531)	at hudson.model.ResourceController.execute(ResourceController.java:98)	at hudson.model.Executor.run(Executor.java:410)