FATAL: java.lang.NullPointerException
 java.lang.NullPointerException
 Caused: com.google.common.util.concurrent.UncheckedExecutionException
 at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2234)
 at com.google.common.cache.LocalCache.get(LocalCache.java:3965)
 at com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4764)
 at jenkins.security.UserDetailsCache.loadUserByUsername(UserDetailsCache.java:127)
 at hudson.model.User$UserIDCanonicalIdResolver.resolveCanonicalId(User.java:1094)
 at hudson.model.User.get(User.java:405)
 at hudson.model.User.get(User.java:374)
 at hudson.plugins.git.GitChangeSet.findOrCreateUser(GitChangeSet.java:379)
 at hudson.plugins.git.GitChangeSet.getAuthor(GitChangeSet.java:452)
 at jenkins.scm.RunWithSCM.calculateCulprits(RunWithSCM.java:134)
 at hudson.model.AbstractBuild.calculateCulprits(AbstractBuild.java:335)
 at jenkins.scm.RunWithSCM.getCulprits(RunWithSCM.java:93)
 at jenkins.scm.RunWithSCM.calculateCulprits(RunWithSCM.java:129)
 at hudson.model.AbstractBuild.calculateCulprits(AbstractBuild.java:335)
 at jenkins.scm.RunWithSCM.getCulprits(RunWithSCM.java:93)
 at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:625)
 at hudson.model.Run.execute(Run.java:1760)
 at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
 at hudson.model.ResourceController.execute(ResourceController.java:97)
 at hudson.model.Executor.run(Executor.java:405)
 [BFA] Scanning build for known causes...
 [BFA] No failure causes found
 [BFA] Done. 0s
 Notifying upstream projects of job completion
 Warning: you have no plugins providing access control for builds, so falling back to legacy behavior of permitting any downstream builds to be triggered
 Finished: FAILURE