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certpath.SunCertPathBuilderException: unable to find valid certification 
path to requested target 	at com.microsoft.tfs.core.exceptions.mappers.TECoreExceptionMapper.map(TECoreExceptionMapper.java:99)	at com.microsoft.tfs.core.exceptions.mappers.RegistrationExceptionMapper.map(RegistrationExceptionMapper.java:23)	at com.microsoft.tfs.core.clients.registration.RegistrationData.newFromServer(RegistrationData.java:70)	at com.microsoft.tfs.core.clients.registration.RegistrationClient.getRegistrationData(RegistrationClient.java:645)	at com.microsoft.tfs.core.clients.registration.RegistrationClient.getRegistrationEntry(RegistrationClient.java:188)	at com.microsoft.tfs.core.clients.registration.RegistrationClient.getRegistrationEntry(RegistrationClient.java:167)	at com.microsoft.tfs.core.clients.webservices.IdentityManagementService.(IdentityManagementService.java:65)	at hudson.plugins.tfs.model.Project.getVCCHistory(Project.java:84)	at hudson.plugins.tfs.model.Project.getDetailedHistory(Project.java:128)	at hudson.plugins.tfs.actions.CheckoutAction.checkout(CheckoutAction.java:56)	at hudson.plugins.tfs.TeamFoundationServerScm.checkout(TeamFoundationServerScm.java:176)	at hudson.model.AbstractProject.checkout(AbstractProject.java:1257)	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:622)	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:528)	at hudson.model.Run.execute(Run.java:1745)	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)	at hudson.model.ResourceController.execute(ResourceController.java:89)	at hudson.model.Executor.run(Executor.java:240)